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The Wittelsbach-Graff and Hope Diamonds: Not Cut from the Same Rough
THE WITTELSBACH-GRAFF AND HOPE DIAMONDS: NOT CUT FROM THE SAME ROUGH Eloïse Gaillou, Wuyi Wang, Jeffrey E. Post, John M. King, James E. Butler, Alan T. Collins, and Thomas M. Moses Two historic blue diamonds, the Hope and the Wittelsbach-Graff, appeared together for the first time at the Smithsonian Institution in 2010. Both diamonds were apparently purchased in India in the 17th century and later belonged to European royalty. In addition to the parallels in their histo- ries, their comparable color and bright, long-lasting orange-red phosphorescence have led to speculation that these two diamonds might have come from the same piece of rough. Although the diamonds are similar spectroscopically, their dislocation patterns observed with the DiamondView differ in scale and texture, and they do not show the same internal strain features. The results indicate that the two diamonds did not originate from the same crystal, though they likely experienced similar geologic histories. he earliest records of the famous Hope and Adornment (Toison d’Or de la Parure de Couleur) in Wittelsbach-Graff diamonds (figure 1) show 1749, but was stolen in 1792 during the French T them in the possession of prominent Revolution. Twenty years later, a 45.52 ct blue dia- European royal families in the mid-17th century. mond appeared for sale in London and eventually They were undoubtedly mined in India, the world’s became part of the collection of Henry Philip Hope. only commercial source of diamonds at that time. Recent computer modeling studies have established The original ancestor of the Hope diamond was that the Hope diamond was cut from the French an approximately 115 ct stone (the Tavernier Blue) Blue, presumably to disguise its identity after the that Jean-Baptiste Tavernier sold to Louis XIV of theft (Attaway, 2005; Farges et al., 2009; Sucher et France in 1668. -
Blue Diamond Prices Are on the Rise
This copy is for your personal, non-commercial use only. To order presentation-ready copies for distribution to your colleagues, clients or customers visit http://www.djreprints.com. https://www.barrons.com/articles/blue-diamond-prices-are-on-the-rise-1518037930 Blue Diamond Prices Are on the Rise By Ariel R. Shapiro Feb. 7, 2018 4:12 p.m. ET The fancy color diamond market is on the upswing, according to a report, with blue diamonds seeing the largest gains. Blue diamonds saw a 5.9% increase in value in the fourth quarter of 2017 in a year-over-year comparison, according to data published on Feb. 1 by the Fancy Color Research Foundation (FCRF). Pink and yellow diamond prices decreased slightly in the same period, at 0.8% and 1.8%, respectively. The market overall was up 0.1%. A fancy vivid blue diamond ring (est. $14-18 million) goes on view at Sotheby's on Oct. 13, 2017 in London. ILLUSTRATION: GETTY IMAGES FOR SOTHEBY'S In November 2017, Christie’s sold a 8.67-carat fancy intense blue diamond ring in Geneva, Switzerland for $13.2 million. The reason for this disparity has less to do with demand, than it does with the rarity of the stone, says FCRF Chairman Eden Rachminov. Demand for yellow and pink diamonds is actually higher, but the amount of blue diamonds being mined is decreasing. “Almost nothing is coming out of the ground,” he says. Pink diamonds have seen the highest gains in the last 13 years with an overall appreciation of 361.9%, according to FCRF’s index, which is compiled through survey data provided by manufacturers and brokers. -
Queer Utopia in Steven Universe Mandy Elizabeth Moore University of Florida, [email protected]
Research on Diversity in Youth Literature Volume 2 | Issue 1 Article 5 June 2019 Future Visions: Queer Utopia in Steven Universe Mandy Elizabeth Moore University of Florida, [email protected] Follow this and additional works at: http://sophia.stkate.edu/rdyl Recommended Citation Moore, Mandy Elizabeth (2019) "Future Visions: Queer Utopia in Steven Universe," Research on Diversity in Youth Literature: Vol. 2 : Iss. 1 , Article 5. Available at: http://sophia.stkate.edu/rdyl/vol2/iss1/5 This Article is brought to you for free and open access by SOPHIA. It has been accepted for inclusion in Research on Diversity in Youth Literature by an authorized editor of SOPHIA. For more information, please contact [email protected]. Moore: Future Visions: Queer Utopia in Steven Universe Since it premiered on Cartoon Network in 2013, Steven Universe has garnered both praise and criticism for its portrayal of queer characters and its flexible approach to gender. Created by Rebecca Sugar, a bisexual and nonbinary artist, the show tells the story of Steven, a half-human, half-alien teenager raised by a trio of alien parental figures called the Crystal Gems. Steven’s adventures range from helping his friends at the local donut shop to defending Earth from the colonizing forces of the Gem Homeworld. Across its five seasons, this series has celebrated many queer firsts for animated children’s content. In 2018, Steven Universe aired one of the first cartoon same-sex wedding scenes (“Reunited”), and in 2019, it became the first animated show to win a Gay and Lesbian Alliance Against Defamation (GLAAD) award, taking home the prize for Outstanding Kids and Family Programming. -
Gemstones by Donald W
GEMSTONES By Donald W. olson Domestic survey data and tables were prepared by Nicholas A. Muniz, statistical assistant, and the world production table was prepared by Glenn J. Wallace, international data coordinator. In this report, the terms “gem” and “gemstone” mean any gemstones and on the cutting and polishing of large diamond mineral or organic material (such as amber, pearl, petrified wood, stones. Industry employment is estimated to range from 1,000 to and shell) used for personal adornment, display, or object of art ,500 workers (U.S. International Trade Commission, 1997, p. 1). because it possesses beauty, durability, and rarity. Of more than Most natural gemstone producers in the United states 4,000 mineral species, only about 100 possess all these attributes and are small businesses that are widely dispersed and operate are considered to be gemstones. Silicates other than quartz are the independently. the small producers probably have an average largest group of gemstones; oxides and quartz are the second largest of less than three employees, including those who only work (table 1). Gemstones are subdivided into diamond and colored part time. the number of gemstone mines operating from gemstones, which in this report designates all natural nondiamond year to year fluctuates because the uncertainty associated with gems. In addition, laboratory-created gemstones, cultured pearls, the discovery and marketing of gem-quality minerals makes and gemstone simulants are discussed but are treated separately it difficult to obtain financing for developing and sustaining from natural gemstones (table 2). Trade data in this report are economically viable deposits (U.S. -
Almonds on Parade! Meet Your New Board Director Protein Powder
NEWS, VIEWS, AND INDUSTRY INSIGHT JANUARY– FEBRUARY 2020 Almonds Protein Powder Meet Your New on Parade! Launch Board Director Contents JAN–FEB 2020 8 FIELD TEAM 10 NEWS IN A NUTSHELL 16 CULTIVATING SUSTAINABILITY 20 CORNERING THE MARKET 24 ADVOCACY REPORT 28 GROWING THE GOODNESS 30 IN YOUR ORCHARD 50 CLASSIFIED ADS Features 6 President’s Corner 20 Blue Diamond Unveils New Almond President and CEO Mark Jansen shares what we Protein Powder have to look forward to in this new year and new Blue Diamond’s first new major product of 2020 decade, including the celebration of the co-op’s showcases the latest innovation offering consumers protein 110th anniversary. powder made with 100 percent pure almond protein. 14 Almonds on Parade 28 Meet Your New District 8 Board Director For the second year in a row, Blue Diamond brought its As a fifth generation farmer and third generation almond almond growing history to the life in the Rose Parade, grower, being part of the Blue Diamond family has been held New Year’s Day in Pasadena, California. memorable for Matthew Efird and his family. ON THE COVER: Blue Diamond growers represented the co-op and Almond Breeze brand at the Rose Parade in Pasadena, California. JANUARY–FEBRUARY 2020 3 BOARD OF DIRECTORS Dan Cummings, Chairman of the Board | Chico Dale Van Groningen, Vice Chairman | Ripon John Monroe | Arbuckle Kevin Fondse | Ripon Stephen Van Duyn | Modesto Charles Crivelli III | Turlock Dan Mendenhall | Winton Matthew Efird | Fresno Kent Stenderup | Arvin Joe Huston | Monterey OFFICERS Mark Jansen, President and CEO Dean LaVallee, Chief Financial Officer ALMOND FACTS STAFF Samantha DeMelo, Managing Editor Mel Machado, Contributing Photographer Gray Allen, Advertising Sales 916.783.4334 & 916.765.3234 Blue Diamond, the world’s largest processor and marketer of almonds, exports to over 100 countries. -
GEMSTONES by Donald W
GEMSTONES By Donald W. Olson Domestic survey data and tables were prepared by Christine K. Pisut, statistical assistant, and the world production table was prepared by Glenn J. Wallace, international data coordinator. Gemstones have fascinated humans since prehistoric times. sustaining economically viable deposits (U.S. International They have been valued as treasured objects throughout history Trade Commission, 1997, p. 23). by all societies in all parts of the world. The first stones known The total value of natural gemstones produced in the United to have been used for making jewelry include amber, amethyst, States during 2001 was estimated to be at least $15.1 million coral, diamond, emerald, garnet, jade, jasper, lapis lazuli, pearl, (table 3). The production value was 12% less than the rock crystal, ruby, serpentine, and turquoise. These stones preceding year. The production decrease was mostly because served as status symbols for the wealthy. Today, gems are not the 2001 shell harvest was 13% less than in 2000. worn to demonstrate wealth as much as they are for pleasure or The estimate of 2001 U.S. gemstone production was based on in appreciation of their beauty (Schumann, 1998, p. 8). In this a survey of more than 200 domestic gemstone producers report, the terms “gem” and “gemstone” mean any mineral or conducted by the USGS. The survey provided a foundation for organic material (such as amber, pearl, and petrified wood) projecting the scope and level of domestic gemstone production used for personal adornment, display, or object of art because it during the year. However, the USGS survey did not represent possesses beauty, durability, and rarity. -
A Crystallographic Analysis of the Tavernier Blue Diamond
ACRYSTALLOGRAPHIC ANALYSIS OF THE TAVERNIER BLUE DIAMOND Scott D. Sucher While the Tavernier Blue has been established as the “grandparent” of the Hope diamond, the only firsthand historical documentation for it is a 17th century line drawing of questionable accu- racy. It has been suggested that the diamond was crudely cut, conforming to the shape of the original crystal. If this is correct, then it should be possible to correlate the facets on the Tavernier Blue to the faces of a diamond crystal, and thus gain information on the crystallography of the original rough. This study used this information, the original drawings, and a computer model of the French Blue diamond generated from the laser scan of a recently discovered lead cast, to gen- erate a computer model of the Tavernier Blue. This new model completely encloses the comput- er model of the French Blue, conforms to Tavernier’s physical description, and establishes the ori- entation of the finished diamond within the original diamond crystal. ecent evidence suggests that the Hope dia- The recent discovery of a lead cast of the French mond was cut in the late 18th or early 19th Blue at the Muséum National d’Histoire Naturelle Rcentury from the French Blue diamond, (MNHN) in Paris has provided more accurate infor- which itself was cut in the 1670s from the mation concerning the physical attributes of that dia- Tavernier Blue (see, e.g., Attaway, 2005; Farges et mond. Farges et al. (2008, 2009) created an updated al., 2008, 2009). Yet the only documentation of the computer model from a laser scan of the lead cast. -
Volume 35 / No. 7 / 2017
GemmologyThe Journal of Volume 35 / No. 7 / 2017 The Gemmological Association of Great Britain Contents GemmologyThe Journal of Volume 35 / No. 7 / 2017 COLUMNS p. 581 569 What’s New AMS2 melee diamond tester| p. 586 MiNi photography system| Spectra diamond colorimeter| Lab Information Circular| Gemmological Society of Japan abstracts|Bead-cultured blister pearls from Pinctada maculata|Rubies from Cambo- dia and Thailand|Goldsmiths’ S. Bruce-Lockhart photo Review|Topaz and synthetic moissanite imitating rough diamonds|Santa Fe Symposium proceedings|Colour-change ARTICLES glass imitating garnet rough| Thanh Nhan Bui photo M2M diamond-origin tracking service|More historical reading Feature Articles lists 598 The Linkage Between Garnets Found in India at the 572 Gem Notes Arikamedu Archaeological Site and Their Source at Cat’s-eye aquamarine from Meru, the Garibpet Deposit Kenya|Colour-zoned beryl from By Karl Schmetzer, H. Albert Gilg, Ulrich Schüssler, Jayshree Pakistan|Coloration of green dravite from Tanzania|Enstatite Panjikar, Thomas Calligaro and Patrick Périn from Emali, Kenya|Grossular from Tanga, Tanzania|Natrolite 628 Simultaneous X-Radiography, Phase-Contrast from Portugal|Large matrix opal and Darkfield Imaging to Separate Natural from carving|Sapphires from Tigray, Cultured Pearls northern Ethiopia|Whewellite from the Czech Republic| By Michael S. Krzemnicki, Carina S. Hanser and Vincent Revol Inclusions in sunstone feldspar from Norway and topaz from Sri 640 Camels, Courts and Financing the French Blue Lanka|Quartz with a tourmaline -
Olympia Diamond Collection Olympia Diamond Collection
Olympia Diamond Collection Olympia Diamond Collection GIA Monograph | The Olympia Diamond Collection Olympia Diamond Collection Introduction..........................................................................................................................................................................1 The.Manufacture.of.the.Olympia.Diamonds.................................................................................................................4 Color.Grading.the.Olympia.Diamond.Collection.......................................................................................................7 Clarity.Grading.and.Microscopic.Examination..........................................................................................................10 Analysis.of.Atomic-Level.Characteristics.....................................................................................................................15 Summary............................................................................................................................................................................. 23 GIA.Color.Grade:.Fancy.Vivid.Purplish.Pink. GIA.Clarity.Grade:.SI1 Cut:.Cut-Cornered.Square.Modified.Brilliant Weight:.2.17.carats GIA.Color.Grade:.Fancy.Vivid.Orange. GIA.Clarity.Grade:.VS1 Cut:.Cut-Cornered.Rectangular.Modified.Brilliant Weight:.2.34.carats GIA.Color.Grade:.Fancy.Vivid.Orangy.Yellow. GIA.Clarity.Grade:.I1 Cut:.Cut-Cornered.Rectangular.Modified.Brilliant Weight:.1.01.carats GIA.Color.Grade:.Fancy.Vivid.Blue. GIA.Clarity.Grade:.VS1 -
TRIUMPH of COLOUR Fancy Colour Rough and Polished Diamonds Win the Market Editorial Note
IN-HOUSE PUBLICATION OF THE LARGEST DIAMOND MINING COMPANY SEPTEMBER 2018 CARATS ON THE What is the difference between customers’ profiles in China and the USA? 500ALROSA social responsibility projects Head of ALROSA SERGEY MATTER OF IVANOV: TECHNIQUE “We change New player in response to new in the diamond challenges” detection market TRIUMPH OF COLOUR Fancy colour rough and polished diamonds win the market Editorial note STEPAN PISAKHOV, A XX CENTURY WRITER AND ARTIST FROM THE ARKHANGELSK REGION, which is world-famous for coloured diamonds minable there, in his fairytale “Frozen songs” (Morozheny pesni) tells how semiprecious stones came out of songs. The local people pronounced words in the freezing cold; the words remained frozen till thawing weather, and when it got warmer they thawed and sang again. “We have fences shored with strong words, and old men and women lean on warmly said words.” And delightful laces shining like diamonds were resulted from songs of maidens and women. Houses were SMART HELPER FOR PICKING decorated with these diamond laces; and venturers brought the frozen diamond songs to other countries. NATURAL DIAMONDS JEWELRY This issue of the magazine is dedicated to the way in which PORTABLE DIAMOND DETECTOR the gems of unique hues appear by quaint plan of nature, INTELLIGENT AND USERFRIENDLY about special aspects and possibilities of fancy colour diamonds market, and ALROSA colour gems mining and faceting. We also tell about selling of the most valuable diamond of the Company, about new development in diamond origin detection, about the • polished natural diamonds; most outstanding social responsibility projects of ALROSA. -
Winter 2007 Gems & Gemology
G EMS & G VOLUME XLIII WINTER 2007 EMOLOGY CVD Synthetic Diamonds Canary Tourmaline W Fluorescence Spectroscopy INTER Napoleon Necklace 2007 P AGES 291–408 V OLUME 43 N O. 4 THE QUARTERLY JOURNAL OF THE GEMOLOGICAL INSTITUTE OF AMERICA ® Winter 2007 VOLUME 43, NO. 4 291 LETTERS ________ FEATURE ARTICLES _____________ 294 Latest-Generation CVD-Grown Synthetic Diamonds from Apollo Diamond Inc. Wuyi Wang, Matthew S. Hall, Kyaw Soe Moe, Joshua Tower, and Thomas M. Moses Presents the gemological and spectroscopic properties of Apollo’s latest products, which show significant improvements in size, color, and clarity. 314 Yellow Mn-rich Tourmaline from the Canary Mining Area, Zambia pg. 295 Carat Points Brendan M. Laurs, William B. Simmons, George R. Rossman, Eric A. Fritz, John I. Koivula, Björn Anckar, and Alexander U. Falster Explores the vivid “canary” yellow elbaite from the Lundazi District of eastern Zambia, the most important source of this tourmaline. 332 Fluorescence Spectra of Colored Diamonds Using a Rapid, Mobile Spectrometer Sally Eaton-Magaña, Jeffrey E. Post, Peter J. Heaney, Roy A. Walters, Christopher M. Breeding, and James E. Butler Reports on the use of fluorescence spectroscopy to characterize colored diamonds from the Aurora Butterfly and other collections. NOTES AND NEW TECHNIQUES ________ 352 An Examination of the Napoleon Diamond Necklace Eloïse Gaillou and Jeffrey E. Post pg. 329 Provides a history and gemological characterization of this historic necklace. REGULAR FEATURES _____________________ 358 Lab Notes Apatite in spessartine • Atypical photoluminescence feature in a type IIa diamond • Diamond with “holiday” inclusions • Diamond with large etch channels containing iron sulfides • Black diamond with an oriented etch channel • The pareidolia of diamonds • Notable emerald carving • Gold coated onyx • Double-star sapphire • Imitation turquoise 366 Gem News International Record auction prices for diamonds • Namibian diamond mining pg. -
The Art of Cutting and Polishing Diamonds, Isaac
or <S7S} THE ART \.^> Mitng nnh Jtxll^m^ JDimtiaitfrs, Introduced in New York in 1871, ILLUSTRATIONS FROM LIFE, BY I. HERMANN, 860 Broadway, Cor. 17TH St., Union Square. NEW YORK. / 1885. <5^ Entered according to Act of Congress, in the year 1885, by I. HERMANN, In the Office of the Librarian of Congress, at Washington. ALL RIGHTS RESERVED. \ DIAMONDS. fN interesting article, written by Rosenthal-Bonin in " Ueber Land und Meer," narrates an interview at a Paris cafe, in the year 1865, with a poor, aged, careworn old ?nan, who regularly visited the place at dinner time, drinking 3£5§ coffee and eating with hunger dry bread which he slyly took from his pocket. This man wore on his small bony finger a large diamond of rare brilliancy and of great value; the contrast created suspicion, and when kindly advising him that by realizing for that gem he could make his life " easy, he exclaimed : What ? part with this gem ? it is im- possible ! it is my only joy, my only love that I possess ; in my greatest despair it is my support ; I forget my misery when I look at it ; it is to me a beacon of light, a heaven of bliss in all this world's misery; a visible and lasting symbol of purity, unchangeable and eternal." There was no other history connected with this diamond, but when a young man he bought it cheap, and possessing all the great quali- ties a pure and brilliant gem could possess, he as a good judge would not part with it at any price; it was his all in his adversity.