CUNaEAnRaTHdED a

TDhe EOrNiginVal ER GEM & MINERAL SHOW SEPT 13 –15, 2019 • DENVER MART

CUNaEAnRaTHdED a Laid bare between the Arctic Circle and vast prairies of the heartland, between the rugged mountains of the Cordillera to the stark cliffs of Nova Scotia, Canada’s rocks record four billion years of the Earth’s history. The world’s oldest known rock formations — the Acasta Gneiss and the Nuvvuagittuq Greenstone — are preserved in Canada’s cratons. These old crustal blocks, tortured by geologic processes over many hundreds of millions of years, are the source of much of the country’s enormous deposits of gold, nickel, copper, iron, zinc, and diamonds. An astounding 20 million carats of “ice” were recovered in 2018 from mines in the Northwest Territories. The ancient rocks were sculpted by tremendous impacts made by meteorites that slammed into Canada as the country was assuming its modern shape. The most famous of these impact craters is the Sudbury Basin, a 60-kilometer-long, 15-kilometer-deep hole that was produced 1.8 billion years ago. That crater has since filled with rocks that eroded over the last billion years. Today, Sudbury is one of Canada’s major mining districts and is famous for nickel and platinum minerals. Scientists theorize that the massive impact initiated melting of crustal and mantle rocks which then deposited these riches. Canada’s rocks also record the rise of life on Earth. High along a ridge in the mountains of British Columbia is perhaps the most famous fossil locality in the world. A modest outcrop of black shale of Cambrian Age (~500 million years ago), the Burgess Shale is an extraordinary cemetery filled with fossils documenting the sudden appearance of complex, multicellular life on our planet. Hundreds of thousands of fossils, including trilobites, have been “mined” from the Burgess Shale since the early part of the twentieth century. These memorials of past epochs provide a breathtaking glimpse of the evolution of modern species. The spectacular minerals, fossils, and meteorites that are on display in the 2019 Denver Gem & Mineral Show represent Canada’s natural history jewels. Perhaps more than that of any other country, Canada’s “bling” tells a compelling story of the history of our planet.

Photo from the ledge near the Burgess Shale courtesy of Gary van Eijk Photography, Oakville, Ontario, Canada (onehandclapping.me). All rights reserved.

Schedule of Events Friday, September 13, 2019 Show Hours: 9 AM to 6 PM

12:00 PM Jeff Scovil, speaker 2:30 PM SMMP Membership Meeting Album of Canadian Minerals Room K40-42

1:00 PM Rod Tyson, speaker 3:00 PM Dr. Terry C. Wallace, Jr., speaker Yukon Phosphate Minerals The Canadian Shield: Rosetta Stone of Earth's History

2:00 PM David K. Joyce, speaker 4:00 PM Michael Bainbridge, speaker Mont Saint-Hilaire: Great Minerals, Great People Bancroft Collecting Area, aka Grenville Grunge

Saturday, September 14, 2019 Show Hours: 10 AM to 6 PM

11:00 AM Ed Raines, curator tour 1:00 PM DR. Richard Sauers, curator tour

11:00 AM Pebble Pup Youth Presentations 2:00 PM Jeff Scovil & Michael Bainbridge, seminar Joshua Hair , The Poebrotherium Fluorescent Mineral Photography (held in Forum 1) Ben Elick , The Cresson Mine: The Untold Stories 2:00 PM Kevin Czaja, curator tour 12:00 PM Pete Modreski, speaker How to Start a Mineral Collection 3:00 PM Ryan Roney, curator tour

12:00 PM Katherine Dunnell, curator tour 4:00 PM Ryan Bowling, speaker Jeffrey Mine, Asbestos, Quebec, Canada 1:00 PM Dr. Paula Piilonen, speaker Mont Saint-Hilaire — Rare Elements &Rare Minerals 4:00 PM Dr. William Wray, curator tour

Sunday, September 15, 2019 Show Hours: 10 AM to 5 PM

12:00 PM Daniel Kile, speaker 2:00 PM Ray McDougall, speaker The Thunder Bay Amethyst District, Ontario: The King of Tides: Minerals of the Bay of Fundy Mineralogy and Collecting, 1975-2018

1:00 PM David K. Joyce, speaker All speakers present in the Rhodochrosite Room (Forum 3). The Cobalt and Gowganda Silver Mining Area Curator Tours meet at the Information Desk. Jeffrey Scovil Photographer, Scovil Photography Speaker: Album of Canadian Minerals

For nearly three decades, Jeff Scovil has been a full-time photographer of minerals, gems, jewelry, and other objects. Since the 1990s and after publishing his 1996 book Photographing Minerals, Fossils and Lapidary Materials , Jeff was the acknowledged world-leader in the highly specialized market of mineral photography. His exceptional work has been published in numerous books on mineralogy, geology, chemistry, and physics and can be seen regularly in most of the mineral magazines in the United States and Europe. His photos have also been featured on posters for shows in Tucson, Denver, Germany, France, and even Pakistan. Beyond being extensively published, Jeff’s photographic prowess has earned him unprecedented access to specimens and collections that most of us will never have the chance to see. He travels the world photographing for dealers and collectors of every ilk. His museum clients include the Mineralogical & Geological Museum at Harvard University, Arizona Sonora Desert Museum, Colorado School of Mines Geology Museum, Canadian Museum of Nature , Cranbrook Institute of Science , New Mexico Bureau of Geology, Fersman Mineralogical Museum (Moscow), Smithsonian Institution … the list is endless. In short, Jeff Scovil has seen it all; so when the 2007 winner of the Carnegie Mineralogical Award gives a presentation on minerals from Canada (or any locality in the world), his audience is sure to be surprised at what these wonderful localities have produced. Buckle up for a photographic tour of the very best of Canada from some of the greatest collections on earth.

Cubanite, 2.1 cm tall. Henderson # 2 Mine, Chibougamou, Quebec, Canada. Scott Rudolph collection, Jeff Scovil photo.

Rod Tyson Geologist • Dealer • Prospector • Adventurer Exhibitor & Speaker Yukon Phosphate Minerals

In the mineral community Rod Tyson’s name is synonymous with outrageous prospecting/collecting trips to the most remote parts of Canada, especially the northern Yukon. Since 1975, he has made 20 trips to the territory to collect minerals. That means being flown into the literal middle of nowhere and left with gear and enough supplies to last until the helicopter returns to take him back. Weather permitting. Wildlife encounters, erratic weather, and all kinds of challenges, expected and unexpected, are part and parcel of making camp and prospecting near the Arctic Circle. Rod’s willingness to go to the ends of the Earth (which happen to be in Canada) has earned him a collection of world-class specimens and breath-taking adventures. Future collectors visiting Canadian localities such as Rapid Creek, El Bonanza Mine, Society Girl, Emerald Lake, Grey Cloud Claim, Nanisivik, and Rock River have Rod to thank for helping to clear a path. Born with the “collector gene,” Rod was fortunate to have had parents who supported him when minerals first grabbed his attention in his adolescence. Following his heart, he earned a Bachelor’s degree in Geology from the University of Toronto. He and fellow student Helen Ohrt fell in love with field collecting and one another on their weekend prospecting trips. The two married and became part time mineral dealers. During those early years, Rod worked as a geologist while Helen completed her graduate degree. In 1975, Rod and a classmate began leading field trips; thus began his epic expeditions to the farthest reaches of Canada. By 1980, with Helen as his partner, Rod was a full-time mineral dealer. Fast forward through a lifetime of field experience to 2018, when Rod was awarded the American Mineral Heritage Award in recognition of his field-collecting achievements. We are pleased to welcome Rod Tyson to the podium to share the wonder, adventure, and minerals of the Yukon.

Lazulite 3.8 cm wide Mount Seafoam, Rapid Creek, Yukon, Canada Rod and Helen Tyson collection • Michael Bainbridge photo

David K. Joyce Engineering Technologist • Dealer • Musician Speaker (two presentations) The Cobalt-Gowganda Silver Mining Area Mont Saint-Hilaire – Great Minerals, Great People

David K. Joyce’s life has largely been about getting minerals out of the ground. He became a mineral collector at the age of 12, eventually graduating from the Haileybury School of Mines. He worked for many years for ICI Explosives, traveling Canada, North America and eventually across the world and has taught explosive technology at the University of Toronto. David has been a mineral dealer for decades. He is a Fellow of the Canadian Institute of Mining (CIM), recipient of CIM Past Presidents’ Memorial Medal, and twice Member-of-the-Year of the Walker Mineralogical Club. He is a talented musician and songwriter. His musical mineral collecting and mining musings are captured on a CD entitled “Nuggets and High Grade.” His sing-alongs are staples of late- night gatherings of fellow collectors. Reflecting his diverse experience and interests, David will give two presentations at this year’s show: one on the people who have made the unique deposit at Mont-Saint-Hilaire in Quebec famous, and the other on history, geology, and minerals of the Cobalt-Gowganda Silver Mining Area. The discovery of high-grade silver mineralization in 1903 at the latter led to a mining boom seldom seen in North America before or since. The discovery resulted in the development of 100 or so mines that produced over 600 million troy ounces of silver over the years. The wealth generated from this production financed the formation of many mining and exploration companies, which in turn resulted in more discoveries of economic minerals all over Canada and the world. Mont Saint-Hilaire (MSH) is one of the premier mineral localities of the world. Since the 1960s more than 450 different mineral species have been identified from the locality. It is the type locality for 66 species, and counting. David’s presentation on Sunday will outline the geology and history of the quarry. He’ll share images of some of the most spectacular best-of-species and rare minerals that have been recovered and the collectors responsible for finding them.

Wire silver, 7.5 cm tall Silver Miller Mine, Cobalt, Ontario, Canada George Thompson collection • Michael Bainbridge photo Dr. Terry C. Wallace, Jr. Seismologist • Collector Speaker The Canadian Shield — Rosetta Stone of Earth’s History

Epochs of glaciation have exposed the Canadian Shield and with it, the oldest rocks known. The shield covers more than half of the more than 3.8 million square miles that we call Canada. From the Northwest Territories in the Arctic to the rugged coast of Newfoundland in the east, the rocks within the shield memorialize the planet’s transition from a molten body to the more familiar present-day structure of continents, ocean basins, and plate tectonics. A few hundred kilometers north of Yellowknife, an outcrop of metamorphosed granite — the Acasta Gneiss — is the oldest known rock unit known. Formed more than 4 billion years ago, this gneiss represents the first time large-scale fractionation occurred. The cooling allowed buoyant (less dense than the underlying) rocks to form and the first continent was born. Over the next 2.5 billion years this continental fragment grew through the accumulation of other continental blocks into what is known as “Laurentia “and the modern North American Craton. Laurentia has had a much-traveled history: sometimes colliding with other cratons, and other times splitting off from continental masses such as Europe. While collectors of Canadian minerals may “damn the glaciers” for scarping away the specimen-rich surface layers of rocks, geologists revel in the four billion years of Earth’s history that have been exposed. These rocks are studied for the secrets they contain of how our planet formed, how it evolved, gave birth to life, and what may be in store for the next billion years. Wherever he goes, Terry Wallace’s enthusiasm for geophysics is always on display, making him not that fun at parties but a welcome and highly sought speaker wherever science is spoken. In his signature, down-to-earth style, seismologist, collector, author, and world-renowned silver expert Terry Wallace is certain to wow with his talk on the geology and relevance of the Canadian Shield.

Diamond (macle); 1.4 cm tall, 10.6 carats Ekati Diamond Mine, Lac de Gras, Northwest Territories, Canada Martin Zinn collection • Jeff Scovil photo

Michael Bainbridge Collector • Author • Photographer Speaker The Bancroft Collecting Area (AKA The Grenville Grunge ) Under the tutelage of Dr. George Robinson, Michael Bainbridge began collecting minerals in the Grenville Province at the age of 5. Since then, he has contributed to numerous mineralogical publications as a photographer, writer, and locality expert. As a consultant to Ontario’s Highlands Tourism Organization, Michael has written several interpretive guides on Grenville Province minerals and geology and has curated mineral displays for local museums. Home to the much-maligned “Grenville Grunge,” the Bancroft Collecting Area hosts nearly 400 mineral species, including distinct varieties, rare species, gem crystals, and colorful fluorescents. While certain classics may be getting more difficult to come by, access to thousands of acres of ripe-for-collecting public land has never been better, and unlike most historic collecting districts, Bancroft serves up new discoveries all the time. Drawing on his many talents and his bank of experience, Michael approaches the minerals of the Grenville with humor and reverence. He has handled some of the province’s very best through his work as a photographer; while his work as a curator has given him historical perspective — he knows the good stuff is out there, even if Nature doesn’t easily cede it. If you like to learn and laugh, you will love Michael’s talk. In addition to speaking regularly on topics both geologic and photographic, Michael is on the faculty, part time, at the Haliburton School of Art & Design. He currently has two books in press: The Pinch Collection at the Canadian Museum of Nature and The Minerals of Grenville Province ; he is author and photographer on the former project and co-author with Drs. Robinson & Cairenzelli on the latter. He is also working with authors Robert Gault and Laszlo Horvath as the primary photographer for their upcoming book about the minerals of Mont Saint-Hilaire. And because idle hands and all that, he and his wife Brigitte recently started a jigsaw puzzle company.

Tremolite on talc, 7 cm tall (self-collected) Hughes Property, Minden, Ontario, Canada Michael Bainbridge collection and photo

Dr. Paula Piilonen Mineralogist, Canadian Museum of Nature Speaker How Your Cell Phone and Mont Saint-Hilaire Are Connected — Rare Elements and Rare Minerals

No other mineral locality in Canada, and few in the world, have produced the wide diversity of exotic mineral species as has Mont-Saint Hilaire (MSH) in Quebec. The deposit is accessed through the Poudrette Quarry, which is conveniently situated in the most unique and mineralogically interesting part of the mountain — the East Hill Suite. The active nature of the quarry has allowed for a steady flow of new material, which holds the interest of both collectors and researchers. The concentration of rare species in a mere 14-hectare quarry is the result of the occurrence’s unique geology and evolution. When a magma crystallizes, certain elements, in particular rare earth elements as well as titanium, zirconium, niobium, lithium, boron, beryllium, and fluorine, tend to remain in the magma. These incompatible elements do not generally crystallize with the common minerals (feldspars, amphiboles, etc.) but instead become enriched in the melt that is left behind. The result is a late stage micro-environment such as he East Hill Suite — the last “gasp” of the magma chamber, which gave birth to it. We are fortunate to have Dr. Paula Piilonen on hand to tell the story of this important and classic deposit (and how it relates to your cell phone). Paula has been a mineralogist with the Research & Collections Division at the Canadian Museum of Nature since 2002. She obtained a B.Sc. in Geology from Laurentian University, a Ph.D. in Mineralogy from the University of Ottawa, and a post-doctoral fellowship in materials science at the Université de Marne-la-Valleé in Paris; in other words, Paula knows her stuff. Her research is focused on the crystal chemistry and behavior of high-field strength elements (Nb, Ti, and Zr) in alkaline rocks, as well as describing new mineral species. Paula is presently serving as the first female President of the Mineralogical Association of Canada. She is heavily involved in youth STEM activities, including twice chairing Canada-Wide Science Fairs. Paula is an animal lover and spends her time (and money) equestrian riding, canoeing, spoiling her greyhound, and tending to her backyard herd of deer.

Carletonite, 3.5 cm tall Poudrette/Demix Quarry, Mont Saint-Hilaire, Quebec, Canada Canadian Museum of Nature collection • Michael Bainbridge photo

Ryan Bowling Engineer • Collector • Author Speaker Jeffrey Mine, Asbestos, Quebec, Canada

Coming of age in the midst of the southern California mineral community, Ryan Bowling learned early that mining and mineral collecting are hard work, but that the pay-offs, though relatively infrequent, can be incredible. Uncommon access in his formative years to fruitful pegmatites and the incomparable mentors — Larson, Scripps, Sinkankas, Swoboda — imprinted Ryan with a life-long love for the adventure of small-scale specimen mining and field-collecting. Ryan attended the Colorado School of Mines, and while there spent much of his spare time field-collecting in Colorado and the American West. Since then he has gone farther afield with collecting trips as diverse as the Swiss Alps and the Jeffry Mine (Quebec) — the subject of his 2019 DGMS presentation. He briefly worked in the mineral lab at The Collector's Edge and did stints as a miner at several famous deposits. He has since partnered on projects including Jackson’s Crossroads (Georgia) and the Maynard topaz claims (Utah). The Jeffrey Mine is a classic Canadian locality that was mined commercially for asbestos beginning in 1879. A byproduct of mining was a steady flow of world-class vesuvianite, and especially deep orange, lustrous, gemmy, grossular. Other species such as diopside, prehnite, and nephrite as well as rarities including spertiniite and heazlewoodite have been recovered from the mine. Ryan’s uncommon perspective of the Jeffrey Mine and it’s fabulous minerals is in part that of a field collector as well as that of a collector with a fine-tuned eye for aesthetics. In Ryan’s presentation, he will share his experiences at the Jeffrey Mine and highlight some of the great finds from this most famous Canadian locality.

Grossular, 5.33 carats, 2.8 cm tall Jeffrey Quarry, Asbestos, Quebec, Canada Rick Kennedy collection • Jeff Scovil photo

Dan Kile Scientist • Collector • Author Speaker and Exhbitor The Thunder Bay Amethyst District, Ontario: Mineralogy and Collecting, 1975-2018

Located along the North Shore of Lake Superior just across the Canadian border, several amethyst mines in Ontario have provided fine specimens for more than 50 years. Much of the amethyst from the Thunder Bay area is distinctive from that found in other worldwide localities — signature red subsurface iron oxide inclusions set it apart especially from the seemingly infinite supply of specimens from South American localities. The town of Thunder Bay and Fort William started in the early 1800s to support the fur trading industry. Silver mining (e.g., Silver Islet) took hold by mid-century. Amethyst has long been known in the area, but large-scale mining efforts did not commence until the late 1960s. The area is heavily wooded and is infested in the summer with legions of mosquitoes, black flies, and other biting creatures. Accordingly, many amethyst veins have been discovered via road construction. In past years, Ontario’s trademark amethyst has been scarce on the collector market; it has, however, in recent years become somewhat more prevalent. Scientist emeritus with the United States Geological Survey, Daniel Kile is also an adjunct faculty member at the Hooke College of Applied Sciences, where he teaches optical crystallography. He and his wife Dianne have collected amethyst in the Thunder Bay area since 1975, and he has published articles and given talks on the district since 1984. Dan’s program will document the mineralogy of some of the important amethyst mines in the district, as well as collecting experiences and photos of in-situ pockets and specimens from the mid-1970s to present, with an emphasis on currently active mines.

Quartz, variety amethyst, 8.2 cm tall Diamond Willow Mine, Thunder Bay Area, Ontario, Canada Dan and Dianne Kile collection • Dan Kile photo

Raymond McDougall Author • Dealer • Collector Speaker The King of Tides: Minerals of Nova Scotia’s Bay of Fundy

Ray McDougall was born in Montreal, grew up in Toronto, and studied mineralogy and geology while completing a B.A. at McGill University in 1992. He went on to become a corporate/securities lawyer in Toronto for 18 years, where he was an internationally-known partner of the firm Stikeman Elliott LLP, working with clients in the Canadian mining industry. He retired from law in 2013 to become a mineral dealer and is the Chair of the annual Rochester Mineralogical Symposium. He also spends a lot of time in a dark room taking mineral photographs. Ray has been an avid mineral collector since childhood and has enjoyed field collecting across Canada and around the world. Living in the woods near Bancroft, Ontario, he burrows in holes near and far and travels internationally, all in pursuit of fine mineral specimens. Among Ray’s collecting haunts are the coastal cliffs of Nova Scotia’s Bay of Fundy, which have been internationally-known for their zeolites since the nineteenth century. Historically, these were Canada’s first famous mineral specimen localities and they have produced world-class specimens of several mineral species, including chabazite and gmelinite. The Bay of Fundy is known for the highest tides in the world, with a difference of over 50 feet from low to high tide. These daily surges of huge volumes of water scour the cliff bases of the shorelines and the islands. Together with the annual destruction caused by freeze-thaw, the phenomenal tides cause significant erosion and change, constantly exposing mineralized areas. Today, fine mineral specimens are still periodically recovered along the coasts of the Bay of Fundy, and the area remains one of the most productive contemporary regions for Canadian fine mineral specimens. Ray’s presentation will highlight the challenges of collecting with the tides as well as some of the finest mineral specimens known from localities along the Bay of Fundy.

Chabazite and heulandite, 8.5 cm tall The Red Hole, Wasson's Bluff, Nova Scotia, Canada George Thompson collection • Michael Bainbridge photo

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MAIN ENTRANCE Public Sector & Trade Press

American Gem Trade Association – A01 Gold Prospectors of Colorado – 524 Dallas, TX • [email protected] • agta.org Colorado Springs, CO • [email protected] gpoc.club American Institute of Gemological Research – 514 Denver, CO • [email protected] • aigrinc.com Junior Museum of Central Pennsylvania – 608 Australian Journal of Mineralogy – 412 State College, PA • [email protected] Cincinnati, OH • [email protected] Mineralogical Almanac – 412 Bureau of Land Management (Colorado) – 603 Moscow, Russia • [email protected] • minbook.com Lakewood, CO • [email protected] • blm.gov The Mineralogical Record – 410 Canadian Gemmological Association – A01 Tucson, AZ • [email protected] Toronto, Canada mineralogicalrecord.com [email protected] canadiangemmological.com Minerals Education Coalition – 601 [email protected] • smenet.org Carter County Museum – 613 Ekalaka, MT • [email protected] Rocks & Minerals Magazine – 412 [email protected] • rocksandminerals.org Colorado School of Mines Geology Museum – 518 Golden, CO • [email protected] Tucson Gem & Mineral Show – 609 mines.edu/geology-museum/ Tucson, AZ • tgms.org Fluorescent Mineral Society – G39-49 United States Geological Survery (USGS) – 607 Rocky Mountain Chapter Denver, CO • [email protected] • usgs.gov uvminerals.org University of Arizona Mineral Museum – 613 Friends of Dinosaur Ridge – 610 Tucson, AZ • [email protected] Morrison, CO • i [email protected] • dinoridge.org gemandmineralmuseum.arizona.edu

Jesse La Plante photo Great Dealers

303 Gems – B10 Arkfeld Minerals – 215 Pueblo, CO • [email protected] Rogue River, OR • [email protected] Accessory Minerals – G36 Aspen Mining Company – B07 DeSoto, KS • [email protected] Grand Junction, CO [email protected] Adam's Minerals – 115 Grand Junction, CO • [email protected] Avant Mining – H40-42 adamsminerals.com Jesseville, AR • [email protected] avantmining.com Adirondack Fine Minerals LLC – J49 Saratoga Springs, NY • sgordon@adkfineminerals.com Big Blue Coins – 211 Florida & Caribbean • [email protected] The Aesthetis Underground – G42-44 artifactexchange.com Banff, AB, Canada • [email protected] BKW Opals – F30-32 Agate West – 105 San Diego, CA • [email protected] Denver, CO • [email protected] opalauctions.com/stores/solidopals Agates by Rock of Ages – G31-33 Blackstone Lapidary – 406 Bailey, CO • [email protected] Denver, CO • [email protected] agatesbyrockofages.com Blue Owl Rocks – 509 Alpine Mineral Company – H39-41 Woodland Park, CO • [email protected] Lawrence, KS • [email protected] Blue Rose Mining – F-38 Alta Gema – A08 Salida, CO Golden, CO • [email protected] Brian Kosnar / Mineral Classics – J46-48 Alternate Minerality – 207 Littleton, CO • [email protected] • minclassics.com Northglenn, CO • [email protected] Bright Star Gemstones – 116 The Amethyst Rose – G38-40 Crested Butte, CO • [email protected] Westminster, CO • [email protected] brightstargemstones.com Ampersand Gem & Jewelry – B05 C. Anne's of Montana – 401 Otis Orchard, WA • andefi[email protected] Manhattan, MT • [email protected] ampersandgemandjewelry.com Cary Arner Legacy – B02 Angelic Healing Crystals – 402 Cody, WY • [email protected] Parker, CO • [email protected] Chaotic 2 Creations – F42-44 Anna's Rock'n Shop / West Desert Collectors – G30-32 Humble, TX • [email protected] Delta, UT • [email protected] Collection Arkane – H56-57 Antero Minerals & Jewelry – 309 467 Place, DE • [email protected] Clifton, CO • [email protected] Collector's Edge Minerals, Inc. – J36-38 Aquaman Gems & Minerals – 411 Golden, CO • [email protected] Sahuarita, AZ • [email protected] collectorsedge.com Super Dealers

Colorado Center for Metal Arts – 413 Diamond Pacific Corp. – H31-37 Pueblo, CO • [email protected] Barstow, CA • don@diamondpacifictool.com coloradometalarts.com diamondpacific.com ColoradoMinerals.com – 112 DiWolf Fine Stone Emporium – 118 Ouray, CO • sandman@ouraynet.com Oracle, AZ • [email protected] • DiWolf.com coloradominerals.com DM Design – B01 Cornerstone Minerals – 110 Congerville, IL • [email protected] Asheville, NC • [email protected] Dragon Gold/Colorado Quartz Mine – 302 cornerstoneminerals.com Midpines, CA • [email protected] Costigan's Minerals West – F50-52 Due South Minerals & Meteors – G42-44 Castle Rock, CO • [email protected] Waterkloof, Pretoria • [email protected] Cowboy Crystals / KQ Minerals – 304 Earth Works – H48 Rock Springs, WY • [email protected] Santa Fe, NM • [email protected] cowboycrystals.com Earth's Treasures – J56-57 The Crystal Circle LLC – H50-52 Santa Clara, CA • [email protected] • earthstreas.com Morrow, OH • [email protected] • crystalcircle.com Ejaz Enterprises / The Miners Gallery – H43-45 Crystals Unlimited – 208 theminerspk.com • [email protected] Golden, CO • [email protected] Eldorado Sapphire Co. – H46 The Cutter's Bench – 206 Houston, TX • [email protected] Corrales, NM • [email protected] Emerald Export – A03 D & J Rare Gems, Ltd. – 216 Bogota, Colombia • [email protected] Salida, CO • [email protected] • gemaholics.com Enchanted Minerals LLC – G54-55 D’Angelo’s Minerals & Jewelry Creations – 308 Albuquerque, NM • [email protected] Trinidad, CO • [email protected] • dangelosgems.com Energy Stones – B08 DanZ Rock Shop – A09 Denver, CO • [email protected] • mmminerals.com Broomfield, CO • [email protected] Ethiopia Gemstone Int. – 416 Dave Bunk Minerals – 103 Seattle, WA • [email protected] Arvada, CO • [email protected] Fall Creek Enterprises – 310 davebunkminerals.com Rolla, MO • [email protected] DB Opals – 506 Fine Minerals International – J54-55 & K56-57 Fitchburg, WI • [email protected] Edison, NJ • daniel@finemineral.com • finemineral.com De Natura – 420 Fossils with Minerals & Artifacts – J31-33 Gilbert, AZ • [email protected] • denatura.net Boulder, CO • [email protected] Del Sur – 202 Fossils, Inc – 501 Fontana, CA • [email protected] Hesperia, CA • [email protected] Awesome Dealers

Geso Gemstones – A14 Krivanek Jewelers – F54-55 Nigeria Salida, CO • [email protected] Golden Pinolite – A15 Kristalle – J30-34 Shawnigan Lake, BC • [email protected] Laguna Beach, CA • [email protected] goldenpinolite.ca kristalle.com Graeber & Himes – 101 Lefthand Gems – 503 Monument, CO • [email protected] Longmont, CO • [email protected] Lhimesfineminerals.com djrinner.com Hands of Spirit Gallery – 404 Lehigh Minerals – 315 Boulder, CO • [email protected] Bountiful, UT • [email protected] handsofspirit.com lehighminerals.com Harmon's Agate & Silver, Inc. – 219 Leonard Crystals & Jewelry – 221 Crane, MT • [email protected] Englewood, CO • leonardcrystals.com Investments from Earth – J35 Lithos – 103 Coppell, TX • [email protected] Arvada, CO • [email protected] investmentsfromearth.com lithographie.org Iteco, Inc. – 106 The Mad Mutha' Mine – H30 Powell, OH • [email protected] • itecoinc.com Paradise Valley, NV • [email protected] JBL Minerals – 403 madmuthamine.com Arvada, CO Major-Xander Rocks – 306 Jewelry by LK Enterprises – 210 Crossville, TN • [email protected] Warsaw, MO • [email protected] Matrix India – 314 John Medici – J44 Pune, Mah, India • [email protected] Ostrander, OH • [email protected] matrixindiaminerals.com Johnny Got Rox – 306 Meteorhall – 313 Lone Tree, CO • [email protected] Boulder, CO • [email protected] The Jungle Buyer - 209 Michigan Rocks & Minerals – 307 Keller, TX • [email protected] Oakland Twp., MI • [email protected] junglebuyergoldcrystals.com michiganrocksandminerals.com KARP Mining LLC - 303 Mincollect – 409 Tucson, AZ • [email protected] • karp.cz Denver, CO • mincollect.com The Kilian Collection – 108 Miner's Lunchbox – 203 Oro Valley, AZ • [email protected] Reno, NV • [email protected] minerslunchbox.com Kosnar Gem Co. – 109 Arvada, CO • [email protected] Mineral Exploration Services – 104 kosnargemco.com Reno, NV • [email protected] Terrific Dealers

The Mineral Habit G34 PAK Designs – 408 Lees Summit, MO • [email protected] Denver, NC • [email protected] themineralhabit.com pakdesigns.com Mineral Miner – 113 Palm of Hope Jewelry Design – H54-55 Highland Park, IL • [email protected] Tucson, AZ • [email protected] Morgan Sonsthagen Jewelry Design – 201 Paul Tambuyser – G42-44 Denver, CO • [email protected] Eenigenburg, The Netherlands • [email protected] morganjewelrydesign.com mineralogy.eu Morocco's Fossils & Mineral Crystal – B03 Pikes Peak Rock Shop/WHOLESALE – G51-53 Aurora, CO • [email protected] Woodland Park, CO • [email protected] Mountain Minerals International – J39-41 pikespeakrock.com Louisville, CO • [email protected] Pitkin Stearns – J53 Mt. Royal Gems – 214 Littleton, CO • [email protected] Frisco, CO • [email protected] pitkinstearns.com opalinlay.com Poor Boys Opals – A06 Natural Selection Crystals – J47 Lightning Ridge, Australia • [email protected] Milwaukee, WI • [email protected] nscrystals.com Pyramid Peak Gems – H44 Colorado Springs, CO • [email protected] North Star Turquoise – G35-37 pyramidpeak.com/gems Cripple Creek, CO • [email protected] northstarturquoise.com Richard Shupe Minerals – H32 Reno, NV • [email protected] O Dark 30 Boys – 508 Littleton, CO • [email protected] Rick Olmstead – 205 odarkthirtyboyzmining.com Boise, ID • [email protected] OB Rocks & Minerals LLC – B06 Rock Biz – 317 Lakeside, AZ • [email protected] Cottage Grove, MN • [email protected] One of a Kind Jewelry / Designer Cabs – 218 Rocks of Ages – H36/38 Branson, MO • [email protected] Noblesville, IN • [email protected] designer-cabs.com rxofages.com The Opal Trove – A05 Rocksaholics, LLC – J51 Houston, TX • [email protected] Irving, TX • [email protected] • rocksaholics.com opaltrove.com Rocky Mtn. Mining Co. – 311 Orca Gems & Opals – 114 Arvada, CO • [email protected] Littleton, CO • [email protected] orcagems.com Runnin Boar Minerals – A11 Divide, CO • [email protected] P.M. Customs – 217 Cheyenne, WY • [email protected] Sandy Cline – G42-44 pmcustomsjewelry.com North Kawartha, ON, Canada • [email protected] Primo Dealers

Scot Baron & Assoc. – 212 Thompson Marketing Co. – 120 Dewey, AZ • [email protected] Denver, CO • [email protected] Self-A-Ware Minerals – 107 Tigereye Minerals – A02 Indian Hills, CO • [email protected] Helena, MT • [email protected] selfawareminerals.com Toujours – A16 Sessions Fine Art & Minerals – 407 Mora, MO • [email protected] Albuquerque, NM • [email protected] Tucson Store Fixtures – H54-55 sessionsfineart.com Tucson, AZ • curt@tucsonstorefixtures.com Shree Shyam Gems Co. – H34 tucsonstorefixtures.com Tokyo, Japan • [email protected] Tucson Todd's Gems – 111 ssgems.jp Tucson, AZ • [email protected] Sidewinder Minerals – F42 - 44 & 301 tucsontoddsgems.com Denver, CO • [email protected] UK MIning Ventures Ltd./Crystal Classics – 305 rockygems.com East Coker, Somerset BA • [email protected] Spirifer Minerals – 204 The Uncarved Block – J50-52 Warsaw, Poland • [email protected] Sebastopol, CA • [email protected] spiriferminerals.com the-uncarvedblock.com Stone by Shelly Birch – 504 Unconventional Lapidarist – A20 Colorado City, CO • [email protected] Hot Springs, AR • [email protected] unconventionallapidarist.com Stone Crystals – F34-36 Rusk, TX • [email protected] Unique Minerals / Evan Jones – J40-42 Scottsdale, AZ • [email protected] Studio 67 LLC – 507 uniqueminerals.com Arvada, CO • [email protected] Vance Gems – G56-57 Super Bead Mart – A07 Newark, DE • [email protected] Dallas, TX • [email protected] • mrtrade.biz Way Up High Mining Company – F40 T.M. Limited – 405 Carbondale, CO • [email protected] Arvada, CO • [email protected] Weinrich Minerals Inc. – J37 Talon Enterprises – A04 Grover, MO • [email protected] Fort Collins, CO • [email protected] weinrichmineralsinc.com Tanita Corporation – F46-48 Well-Arranged Molecules – J43-45 Arlington Heights, IL • [email protected] Florence, MA • [email protected] tanita.com wellarrangedmolecules.com Texas Magpie – 502 WonderWorks – 312 San Antonio, TX • [email protected] Cambria, CA • [email protected] magpiegemstones.com wonderworksminerals.com Fluorescent Mineral Photography Seminar

with Jeff Scovil and Michael Bainbridge

Photography is first and foremost about light. Photographers are constantly evaluating the character, direction, and amount of light needed to create the desired effect, and looking for ways to control light. Mineral photography presents special challenges in that specimen surfaces may be both reflective and transparent. Fluorescent mineral photography further complicates matters by excluding a large chunk of the visible spectrum. Every year, the Rocky Mountain chapter of the Fluorescent Mineral Society goes all out at Denver, creating an educational space and massive fluorescent mineral display. This year is no different, except maybe that it is better than ever! (See it in Aisle G, Rooms 39 –49) . Complementing the display, professional photographers Jeff Scovil and Michael Bainbridge will conduct a two-hour seminar exploring challenges of and techniques of photographing fluorescent minerals. In this one-of-a-kind experience, Jeff and Michael will demonstrate techniques for lighting and working with fluorescent materials. The event will include an open discussion about balancing artistic aspects with the traditionally documentary nature of fluorescent mineral photography. Please join the conversation in Forum 1 on Saturday from 2 to 4 PM .

Gypsum under white (left) and shortwave ultraviolet light, 4.7 cm tall Willow Creek, Alberta, Canada Rod & Helen Tyson collection, Michael Bainbridge photo

Junior Speakers

Saturday, September 14, 2019 at 11 AM

Joshua Hair Ben Elick Ten-year-old Joshua Hair is a 5 th grade at The Ben Elick attends high school in the Douglas County Classical Academy. He is interested in Geology, Fossils, School District in Colorado. He enjoys mountain Art, History, Swimming, and Technology. Josh is part of biking, fishing, and hiking in the summer. In the the Pikes Peak Pebble Pups and Earth Science winter, he spends time taking photographs and Scholars. He lives in Colorado Springs with his enjoying the snow. Ben has been a member of the brother and parents. Earth Science Scholars since 2012. He is also a member of the Colorado Scientific Society and the In his talk entitled, The Poebrotherium , Joshua will Society of Mineral Museum Professionals. He has share what he has learned about this extinct genus of recently presented a paper at the New Mexico Mineral camelid, which roamed present-day Nebraska, Symposium at New Mexico Tech and the Geological Wyoming, and South Dakota from the Eocene to Society of America’s North Central Section Meeting at Miocene (46.3 to 13.6 million years ago). The term Iowa State University. poebrotherium was Latinised from the Greek words poiēbóros (“grass-eating” ) and thēríon (“beast” or “wild Ben has presented at the Denver Show for a number animal”). While in the camelid genus, the of years. He volunteers at the Western Museum of poebrotherium were close in size to sheep, their legs Mining and Industry and the Cripple Creek District evolved for speed, and their skulls resembled those of Museum. His 2019 talk, The Cresson Mine: The Untold the modern llama. Stories , is inspired by his work at the latter institution. Hematite after calcite, 8 cm wide Faraday/Madawaska Mine, Bancroft, Ontario, Canada Michael Bainbridge collection and photo Curator Tours

Conceived and hosted by the Society of Mineral Museum Professionals (SMMP), the Denver Show’s unique curator tour program provides visitors an opportunity to view the exhibits from the perspective of museum professionals, each with a separate area of interest and research. Tours run 30 to 45 minutes and are limited to 10 guests, which allows for plenty of discussion and a personalized experience. Sign up online ahead of the show or at the information desk at the show.

11:00 AM Ed Raines Geologist, mineralogist, and mining historian, Ed Raines is Collections Manager for the Colorado School of Mines Geology Museum. And while he wears many hats at the museum, his passion is for mining history, particularly that of Colorado. He is a past president of the Mining History Association and is a recent recipient of the Rodman Paul Award for Outstanding Contributions to Mining History. In 2000 he received a special State Honor Award from Colorado Preservation Inc. for his work in historical preservation at Leadville. And that’s not to mention the numerous honors his work on mineralogy has garnered. Ed has written numerous articles on minerals and mining history, including a 2009 book entitled Historic Photos of Colorado Mining . If you are interested in mining history, this is your tour.

12:00 PM Katherine Dunnell Katherine Dunnell's appreciation for museums was instilled during her childhood, with frequent visits to the Royal Ontario Museum (ROM) and McLaughlin Planetarium, in Toronto, as well as the Detroit Institute of Art. She joined the curatorial team at the ROM in 1997, and since then has participated in the development of several exhibitions, including The Pompeii: In the Shadow of the Volcano (2015), Nature of Diamonds (2008); The Black Star Sapphire of Queensland (2007); Pearls: A Natural History (2005); and Our Crystalline World, Its Many Faces (2004). Katherine co-authored a chapter with Margaret MacMillian in the book Every Object Has A Story (2014). Katherine is a frequent speaker at ROM events and to external groups with an interest in mineralogy. Her unique personal style as well as her passion for gems and jewelry will undoubtedly flavor her tour.

1:00 PM DR. Richard Sauers Armed with passion and a Ph.D. in American History Richard A. Sauers, is the author of more than two dozen books, including the highly-acclaimed two-volume Advance the Colors! Pennsylvania Civil War Battle Flags (1987 –1991), A Succession of Honorable Victories: The Burnside Expedition in North Carolina (1996), Meade: Victor of Gettysburg (2004), and The Fishing Creek Confederacy: A Story of Civil War Draft Resistance (2013). Sauers has been in the public history arena since 1984, serving currently as the curator of the Western Museum of Mining & Industry in Colorado Springs. He is currently working on a study of the Cripple Creek gold mines. Is there a Civil War tie in? You’ll find out! Curator Tours

2:00 PM Kevin Czaja Kevin Czaja has been interested in minerals since he first happened upon prehnite in the “trap rock” basalt road-fill he found near where he grew up in Rockfall, Connecticut. His strengths include mineral species identification and the regional mineralogy of the northeastern United States, but his passion is granite pegmatite mineralogy. Kevin’s enthusiasm is a natural product of having grown up just a stone’s throw from Middletown’s classic pegmatite field which hosts outstandingly complex deposits such as the Strickland Quarry in Portland and the Gillette Quarry in Haddam Neck. He is presently studying the significant manganese- dominant, phosphate-producing granite pegmatites in New England. He won’t be able to help himself, Kevin’s tour will gravitate toward the pegmatite minerals, the source for many large and colorful gem species, and is sure to include discussion contrasting Colorado’s great deposits with those in New England.

3:00 PM Ryan Roney Ryan O. Roney is Curator at Tellus Science Museum in Cartersville, Georgia where he cares for mineral, fossil, and meteoritical collections. He is a Ph.D. candidate in Geology at the University of Tennessee, Knoxville were he previously earned a Master’s in Geology. Ryan has Bachelor’s degrees in Geology and Spanish from Georgia Southwestern State University and the University of West Georgia. Ryan has done mineralogical research on vapor phase minerals from Topaz Mountain in Juab County, Utah and paleontological field work in Chile, Argentina, and throughout the Southeastern US.

4:00 PM Dr. William Wray Dr. William “Bill” Wray has been collecting and studying minerals since he was a boy; so much so that he has made a career of the Earth Sciences, earning a B. Sci. in Mineralogy, and a Ph.D. degree in Economic Geology. His collection (the Wray Mineral Museum) contains about 20,000 catalogued specimens, half of which are on display in his building in southwestern Utah. His interests span the breadth of the mineral kingdom. A tour with this “rock doc” will not be restricted to the continents, but could wander to seafloor, the Moon, Mars, and/or the asteroid belt. Buckle up! Jesse La Plante photo 2019 Exhibitors Larry Havens , Chairman

Museums Individuals Arizona-Sonora Desert Museum Scott Rudolph • Marty Zinn Canadian Museum of Nature (MZExpositions, sponsor) Barbara Sky • Dan Kile Perot Museum of Nature and Science George Thompson • Rod & Helen Tyson Society of Mineral Museum Professionals Pat Carlon • John Medici Montana Tech Mineral Museum Bill Wray • Francisco Sotomayor Tellus Science Museum Sandy Cline • Phil Gregory Cranbrook Institute of Science Anne Black • Bruce Geller New Mexico Bureau of Geology (NM Tech) Rick Kennedy • Ron Snelling Denver Museum of Nature and Science Ben Elick • William A. Severance Smithsonian Institution Robert A. Boymistruk • John Warn American Museum of Natural History Tom Hughes • Philip M. Persson Cincinnati Museum Center Ron & Judy Knoshaug • Joe Dorris Western Museum of Mining and Industry William Hutchinson • Les & Paula Presmyk Mineralogical & Geological Museum of Harvard Kaye Thompson • Eldon R. Hunewell Colorado School of Mines Geology Museum Michael J. Gobla • Carolyn Manchester Royal Ontario Museum (LLD Productions, Inc., sponsor ) Scott Luers • Marjory Regel Sherman Dugan Museum of Geology Mark Jacobson • Robert Landgraf University of Arizona Groups Competitive Exhibits Mineralogical Association of Dallas Stanley Korzeb Rocky Mountain Micromineral Association Erin Delventhal North Jeffco Gem & Mineral Club Barbara Sky The Mile Hi Rock & Mineral Society (RAMS) Phil Gregory Young Mineral Collectors Kent Havens Littleton Gem & Mineral Club Mineral Study Group Michael J. Gobla Denver Gem & Mineral Guild Jesse La Plante photo 2018 Award Winners Larry Havens , Judging Chair

Richard M. Pearl Award Best of Species Cabinet (tie) Robert Thacker Phil Gregory Sapphire, Sri Lanka Adamite, Ojuela Mine, Durango, Mexico C. E. Withers Award Robert Thacker Jim and Gail Spann Datolite and Sphalerite, Charcas, San Luis Potosi, Mexico A Medley of Mexican Marvels Best of Species Oversize Prospector Trophy Les Presmyk Randall Kokkinen Chalcopyrite and Sphalerite, Chihuahua, Mexico Fluorite/Barite, Blanchard Mine, New Mexico Best Fossil Junior Prospector Trophy Nicholas Kimber Shealeene Kent Nanotyrannus tooth, Lance Formation, Late Cretaceous, Fluorite, Mt. White, Chaffee County, Colorado Niobrara County, Wyoming Club Prospector Trophy Colorado Mineral Society Individual Competitive Case Trophies Donna Chirnside Memorial Museum Trophy Barbara Sky (Masters) New Mexico Bureau of Geology and Mineral Thumbnail Pseudomorphs Resources Mineral Museum Mexican Minerals in New Mexico Kent Havens (Masters) Best of Species Thumbnail Worldwide Pseudomorphs Ron and Judy Knoshaug Dale Gann (Advanced) Acanthite, Rayas Mine, Guanajunto, Mexico Open Category, Geographical Specialties Best of Species Toenail Evan Walsh (Novice) Paula Presmyk Fossils, One Rock Unit Polybasite, Fresnillo, Zacatecas, Mexico Nick Warren (Advanced) Best of Species Miniature Educational, General Concept, Fossils Ron and Judy Knoshaug Stanley Korzeb (Novice) Brochantite, Milpillas Mine, Cuitaca, Sonora, Mexico Educational, General Concept, Minerals 2019 Show Committee George Daggett , Chairman

Regina Aumente – Dealer Chair Kevin Larsen – Hospitality Debbie Baldwin – Assistant Treasurer KC Larsen – Hospitality Gail Beamer – Schools Asst Sandra Lucero – Information Carl Bird – Information Barb Melby – Set Up Asst Amber Brenzikofer – CMS Rep & Security Chair Mike Morain – Grab Bag Asst Bruce Brown – Publicity Asst Gerry Naugle – Fluorescent Room Co-Chair Dave Bunk – Speaker Co-Chair, & Exhibits Asst Conrad North – Fluorescent Room Co-Chair Linda Burns – Information & Set Up Nick North – Trophy Chair, Ribbons, Sat Eve Anita Colin – Volunteers April Peters – Schools Asst George Daggett – Show Chair Jordan Sawdo – Judging Asst Meghan Funk – Publicity Asst & Webmaster James Schatzman – Op Proc Chair Dale Gann – Speaker Co-Chair Lesley Sebol – Show Pin, Publicity Asst Angela Green Garcia – Adm Asst & Badges Asst Eva Siemonsma – Door Prizes & Treasurer Ben Geller – Publicity Asst Ron Snelling – Operations Bruce Geller – Public Sector Gloria Staebler – Publicity Chair, Poster Chair, Cheryl Harrison – Publicity Asst & Program Chair Kent Havens – Exhibits & Judging Asst Iva Veselinova – Publicity Asst Larry Havens – Judging Chair, Exhibits Chair, Sandy Walden – Int’l Rm Chair & Speaker Co-Chair Chauncey Walden – Int'l Room Asst Kristy Heide – Judging Asst Joe Walkowich – Grab Bags, Poster&Pin Sales Kathy Honda – Admissions Chair & Badges Lynette Warren – Littleton Rep Diane Hornbecker – Saturday Eve Asst Ryan White – Publicity Asst Robert Johnson – Historian Brenda Wray – Hospitality Asst Nancy Kimber – WIPS Rep Dan Wray – Tear Down & Hospitality Asst Judy Knoshaug – Secretary & Schools Eunice York – Int’l Room Asst Ron Knoshaug – Club Liaison Daniel Zellner – Publicity Asst Host Clubs

Friends of Mineralogy Colorado Chapter (FMCC) Flatirons Mineral Club Meets October, November, January, March, April, May Meets monthly 2 nd Thursday of all months except 3rd Thursday of the month at 7:30 PM . December (3 rd Thurs) and August (3 rd Sat). Colorado School of Mines • Berthoud Hall, Room 109 Frasier Meadows Healthcare, North Community Room [email protected] 350 Ponca Place • Boulder friendsofmineralogycolorado.org [email protected] • (303) 591-2830 flatironsmineralclub.org North Jeffco Gem and Mineral Club, Inc. Meets monthly August to May, Denver Gem & Mineral Guild 2nd Friday of the month at 7:00 PM . Meets monthly September to May, APEX Community Recreation Center 2nd Friday of the month at 7:30 PM . 6842 Wadsworth Boulevard • Arvada Colorado School of Mines • Berthoud Hall, Room 109 [email protected] • (720) 987-5924 [email protected] • 303-902-1708 denvergem.com Mile Hi Rock Mineral Society (RAMS) Meets monthly October to April, Littleton Gem & Mineral Club 3rd Friday of the month at 7:30 PM . Meets monthly September to May, Colorado School of Mines • Berthoud Hall, Room 108 3rd Friday of the month at 7:30 PM . [email protected] • (303) 423-2923 St. Philip Lutheran Church milehirams.com 7531 S. Kendall Boulevard • Littleton [email protected] • 303-973-3364 Western Interior Paleontological Society (WIPS) littletongemandmineralclub.com Meets monthly September to May, 1st Monday of the month at 7:00 PM Colorado Mineral Society (CMS) The December meeting is held Dec 7 Meets monthly October to May, at Lakewood Clements Center. 1st Friday of the month at 7:30 PM . Lowry Conference Center St Paul’s Episcopal Church 1061 Akron Way • Denver 9200 W. 10 th Ave • Lakewood [email protected] [email protected] westernpaleo.org coloradomineralsociety.org

Meeting dates, times, and locations are subject to change, please contact individual clubs for speaker/program specifics and to confirm meeting details. Photo Credits Left : Flourite, 12.7 cm wide Perry Mine, Madoc, Ontario, Canada George Thompson collection, Michael Bainbridge photo Cover : Barite on fluorite, 9.5 cm wide • Rock Candy Mine, Grand Forks, British Columbia, Canada • Rod & Helen Tyson collection, Michael Bainbridge photo

Copyright © 2019 by The Greater Denver Area Gem & Mineral Council, Inc. All rights reserved. Printed in the United States of America Greater Denver Area Gem & Mineral Council Denver Museum of Nature & Science, Box 4 2001 Colorado Boulevard Denver, Colorado 80205-5798

The Original JOIN US NEXT YEAR FOR X DENVER FABULOUS FLUORITE GEM & SEPT 18 –20, 2020 MINERAL DENVER MART For tickets, information, and a complete schedule of events visit SHOW DENVERSHOW.ORG

The Greater Denver Area Gem & Mineral Council is a non-profit 501(c)(3) corporation organized exclusively for charitable, educational, and scientific purposes.