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Listed by Name

Based on MI DEQ GSD Bulletin 6 “ of Michigan”

Actinolite, Dickinson, Gogebic, Gratiot, and , Houghton County Marquette counties , Dickinson, and Marquette counties Aegirinaugite, Marquette County , Dickinson, and Marquette counties , Marquette County , Baraga, Dickinson, Houghton, , , Dickinson, Gratiot, Houghton, Keweenaw, Kalkaska, Keweenaw, Marquette, and Monroe and Marquette counties counties

Algodonite, Baraga, Houghton, Keweenaw, and Aphrosiderite, Gogebic, Iron, and Marquette Ontonagon counties counties

Allanite, Gogebic, Iron, and Marquette counties , Houghton, and Keweenaw counties

Almandite, Dickinson, Keweenaw, and Marquette , Gogebic, Iron, Jackson, Marquette, and counties Monroe counties

Alunite, Iron County , Marquette, and Menominee counties Analcite, Houghton, Keweenaw, and Ontonagon counties , Houghton, Keweenaw, and Ontonagon counties , Gratiot, Houghton, Keweenaw, Marquette, and Ontonagon counties , Dickinson, Genesee, Gratiot, Houghton, Iron, Keweenaw, Marquette, and Ontonagon counties , Iron, and Marquette counties Awarurite, Marquette County Andesine, Keweenaw County , Gogebic, and Marquette counties , Dickinson County , Dickinson, Keweenaw, Marquette, and , Marquette County Ontonagon counties

Anhydrite, Bay, Berrien, Gratiot, Houghton, , Keweenaw County Isabella, Kalamazoo, Kent, Keweenaw, Macomb, Manistee, Marquette, Mason, Mecosta, Midland, Barite, Alpena, Baraga, Eaton, Gogebic, Houghton, Monroe, Muskegon, Newaygo, Ogemaw, Iron, Keweenaw, Marquette, Monroe, and Ontonagon, Osceola, St. Clair, and Wayne counties Ontonagon counties

Ankerite, Alpena, Houghton, Keweenaw, and Bassetite, Iron County Marquette counties Bastnaesite, Ontonagon County , Keweenaw County , Baraga, Dickinson, and Marquette counties , Dickinson County , Marquette County

Minerals Found in Michigan – www.deq.state.mi/gsd - 1 of 11

Bismuthinite, Marquette County Chlorite, Baraga, Dickinson, Gogebic, Gratiot, Houghton, Iron, Keweenaw, Marquette, and Blomstrandine, Marquette County Ontonagon counties

Bornite, Gratiot, Houghton, Iron, Keweenaw, , Houghton, Iron, Keweenaw, and Marquette, and Ontonagon counties Marquette counties

Brannerite, Marquette County , Dickinson, Marquette, and Ontonagon counties , Iron, and Keweenaw counties , Gogebic, and Marquette , Keweenaw County counties Houghton, Keweenaw, and , Genesee, and Jackson counties , Ontonagon counties , Houghton, and Marquette counties , Dickinson, and Marquette counties Brunsvigite, Marquette County , Baraga County Buttgenbachite, Houghton County Clinochlore, Baraga, and Marquette counties , Dickinson, and Keweenaw counties Clino-Chrysotile, Marquette County Calciovolborthite, Keweenaw County Clinozoisite, Dickinson, Houghton, Iron, Keweenaw, and Marquette counties , Alpena, Arenac, Baraga, Calhoun, Chippewa, Dickinson, Eaton, Gogebic, Houghton, Dickinson, and Marquette counties Huron, Iron, Jackson, Kent, Keweenaw, Marquette, , Monroe, Ontonagon, Ottawa, Presque Isle, Shiawassee, St. Clair, St. and Joseph counties , Alpena, Baraga, Dickinson, Gogebic, Gratiot, Houghton, Iron, Kent, Keweenaw, , Houghton County Marquette, Ontonagon, and Tuscola counties Marquette County , Wayne County Cordierite, Iron, Marquette, and Wayne counties Celestite, Chippewa, Eaton, Kent, Marquette, , Monroe, Newaygo, and Wayne counties , Keweenaw, Marquette, and Ontonagon , Baraga, Gogebic, Houghton, Iron, counties Keweenaw, Marquette, and Ontonagon counties , Marquette County , Houghton County Cummingtonitep, Dickinson, and Marquette , Alpena, Baraga, Dickinson, counties Gogebic, Gratiot, Houghton, Iron, Keweenaw, Marquette, and Ontonagon counties , Houghton, Keweenaw, and Ontonagon counties , Gogebic, Houghton, Iron, Keweenaw, Marquette County , Houghton, Keweenaw, and Ontonagon counties Chloanthite, Keweenaw County Delessite, Houghton, Keweenaw, and Ontonagon counties

Minerals Found in Michigan – www.deq.state.mi/gsd - 2 of 11

Diabantite, Houghton, Keweenaw, and Marquette , Marquette County counties , Alger, Eaton, Huron, and Jackson , Cass, Ingham, Iron, and Kent counties counties

Dickite, Gogebic, Iron, and Marquette counties , Baraga, Calhoun, Dickinson, Gogebic, Iron, Jackson, Marquette, Monroe, Schoolcraft, Van , Gratiot, Keweenaw, and Ontonagon and Buren counties counties , Allegan, Antrim, Baraga, Charlevoix, Dickinson, , Dickinson, Houghton, Keweenaw, and Emmet, Gogebic, Ingham, Ionia, Iron, Kalkaska, Marquette counties Kent, Leelanau, Livingston, Manistee, Marquette, Montcalm, Newaygo, Oakland, Oceana, Ontonagon, , Ontonagon County Ottawa, St. Joseph, and Wexford counties Baraga, Dickinson, Gogebic, Iron, , Keweenaw, and Ontonagon counties , Livingston, and Marquette counties Alpena, Charlevoix, Dickinson, Gogebic, , Dickinson, Gogebic, Iron, and Houghton, Huron, Iron, Jackson, Keweenaw, , Marquette counties Mackinac, Marquette, Monroe, Newaygo, Ontonagon, Ottawa, and Wayne counties , Iron, and Ontonagon counties , Houghton, Keweenaw, and Ontonagon counties , Baraga, Dickinson, Gogebic, Iron, and Marquette counties , Dickinson, Genesee, Iron, and Marquette counties Guerinite, Keweenaw County

Epidote, Gratiot, Houghton, Keweenaw, Marquette, , Arenac, Baraga, Delta, Dickinson, Eaton, and Ontonagon counties Gogebic, Houghton, Huron, Ionia, Iosco, Iron, Kent, Keweenaw, Mackinac, Marquette, Monroe, , Wayne County Newaygo, Ogemaw, Ontonagon, and Wayne counties , Keweenaw County , Alpena, Bay, Houghton, Manistee, Mason, Midland, Newaygo, Presque Isle, Saginaw, St. Clair, Marquette County Euclase, and Wayne counties

Euxenite, Marquette County , Marquette County

Faujasite, Keweenaw, and Marquette counties , Iron County

Fluorite, Bay, Dickinson, Eaton, Gogebic, , Gogebic, Iron, and Marquette Houghton, Isabella, Kalkaska, Keweenaw, counties Marquette, Monroe, Ontonagon, Wayne, and Wexford counties , Dickinson, Gogebic, Houghton, Iron, Keweenaw, and Marquette counties Freirinite, Keweenaw County , Keweenaw County Fuchsitep, Keweenaw County , Gogebic County , Baraga, Branch, Dickinson, Dickinson, Eaton, Gogebic, Huron, Huron, Huron, Iron, Keweenaw County Keweenaw, Marquette, Marquette, and Ontonagon Hollandite, counties

Minerals Found in Michigan – www.deq.state.mi/gsd - 3 of 11

Hornblende, Dickinson, Gogebic, Iron, Keweenaw, Magnesiosussexite, Gogebic County and Marquette counties , Baraga, Dickinson, Gogebic, Houghton, Hydrocarbon, Ontonagon County Iron, Keweenaw, Marquette, and Ontonagon counties Hydrohausmannite, Iron County , Dickinson, Gogebic, Houghton, , Genesee, Keweenaw, and Keweenaw, Marquette, and Ontonagon counties Marquette counties , Baraga, Gogebic, Houghton, Iron, , Houghton, and Keweenaw counties Keweenaw, and Marquette counties

Illite, Baraga, Houghton, Iron, Marquette, and Manganocalcite, Marquette County Ontonagon counties , Alpena, Antrim, Baraga, Calhoun, , Dickinson, Genesee, Gratiot, Houghton, Charlevoix, Chippewa, Dickinson, Eaton, Huron, Iron, and Keweenaw counties Iron, Jackson, Marquette, Monroe, and Ontonagon counties , Marquette County , Marquette County , Keweenaw County Maucherite, Keweenaw County , Keweenaw County , Baraga, and Huron counties , Gogebic, Houghton, Iron, Keweenaw, and Marquette counties Melilite, Houghton County

Kinoite, Houghton County Mesolite, Iron, and Keweenaw counties

Kutnahorite, Marquette County Meta-, Iron County

Kyanite, Genesee, Iron, and Marquette counties Metatorbernite, Iron County

Labradorite, Dickinson, Houghton, Iron, Metatyuyamunite, Iron County Keweenaw, Keweenaw, and Marquette counties , Dickinson, Gogebic, Gratiot, Houghton, , Keweenaw County Iron, Keweenaw, Marquette, and Ontonagon counties , Dickinson, Gogebic, Houghton, and Keweenaw counties , Huron, and Marquette counties

Lavendulan, Keweenaw County , Baraga, Gogebic, and Marquette counties Leonhardite, Houghton, and Keweenaw counties , Dickinson, and Houghton counties , Dickinson County , Dickinson, Gogebic, Marquette, and , Genesee, Houghton, and Keweenaw Ontonagon counties counties , Houghton, and Marquette counties Lizardite, Dickinson, and Marquette counties , Baraga, Emmet, Gogebic, , Marquette County Houghton, Marquette, Ontonagon, and Wexford counties

Minerals Found in Michigan – www.deq.state.mi/gsd - 4 of 11

Muscovite, Dickinson, Gogebic, Houghton, Iron, Pharmacolite, Keweenaw County Keweenaw, and Marquette counties , Dickinson, Iron, and Marquette counties , Marquette County , Keweenaw County Nantokite, Ontonagon County , Dickinson, Iron, Keweenaw, Marquette, Natrojarosite, Iron County and Ontonagon counties

Natrolite, Houghton, and Keweenaw counties , Ontonagon County

Neltnerite, Keweenaw County , Newaygo, and Wayne counties

Neotocite, Gogebic, and Iron counties , Keweenaw County

Niccolite, Keweenaw County , Houghton, and Marquette counties

Nontronite, Dickinson, Gogebic, and Marquette , Gratiot, Houghton, Keweenaw, and counties Ontonagon counties

Oligoclase, Dickinson, and Marquette counties Prochlorite, Houghton, Keweenaw, and Marquette counties , Houghton County , Marquette County , Houghton, Iron, Keweenaw, and Marquette counties , Calhoun, Dickinson, Gogebic, Iron, and Marquette counties Orientite, Keweenaw County , Houghton, and Keweenaw counties , Houghton, Keweenaw, and Marquette counties , Alger, Alpena, Antrim, Baraga, Branch, Calhoun, Clare, Dickinson, Eaton, Gogebic, Gratiot, , Baraga, and Gogebic counties Houghton, Huron, Iron, Jackson, Keweenaw, Marquette, Monroe, Newaygo, Ogemaw, , Dickinson, and Marquette counties Ontonagon, Presque Isle, Saginaw, Washtenaw, and Wayne counties , Ontonagon County , Baraga, Calhoun, Gogebic, Iron, Keweenaw, and Marquette counties Pararammelsbergite, Keweenaw County , Iron County , Houghton, and Ontonagon counties , Marquette County Pargasite, Marquette County Pyrostilpnite, Marquette County Patricianite, Keweenaw County , Dickinson, Houghton, Iron, and Keweenaw County Pyrrhotite, , Marquette counties

Pennine, Dickinson, Houghton, and Keweenaw , Alger, Antrim, Arenac, Charlevoix, counties Chippewa, Dickinson, Gogebic, Houghton, Huron, Iron, Keweenaw, Luce, Marquette, Monroe, , Marquette County Ontonagon, Schoolcraft, Van Buren, and Wayne counties

Minerals Found in Michigan – www.deq.state.mi/gsd - 5 of 11

Rammelsbergite, Keweenaw County , Baraga, Dickinson, Iron, and Marquette counties Rauenthalite, Keweenaw County , Houghton, and Keweenaw counties , Gogebic, Houghton, Iron, Keweenaw, and Marquette counties , Gogebic, Iron, and Marquette counties , Iron, and Marquette counties , Alpena, Iron, and Monroe counties , Dickinson, Gogebic, and Marquette counties , Monroe County

Rutherfordine, Dickinson County , Iron County

Rutile, Iron, and Marquette counties , Midland, and Newaygo counties

Sanidine, Iron, Keweenaw, and Ontonagon counties Synchisite, Ontonagon County

Saponite, Houghton, Keweenaw, and Ontonagon , Dickinson, Gogebic, Iron, and Marquette counties counties

Scapolite, Dickinson County Tellurium, Marquette County

Scheelite, Marquette County , Keweenaw, and Ontonagon counties

Schefferite, Marquette County , Marquette county

Seamanite, Iron County , Alger, Houghton, and Keweenaw counties , Alpena, Branch, Dickinson, Eaton, Gogebic, Houghton, Huron, Iron, and Marquette Thuringite, Houghton, and Keweenaw counties counties , Dickinson, Houghton, Iron, Marquette, , Iron, and Marquette counties and Monroe counties

Silver, Baraga, Dickinson, Houghton, Iron, , Dickinson, Gogebic, Gratiot, Houghton, Keweenaw, Livingston, Marquette, and Ontonagon Iron, and Marquette counties counties Trichalcite, Keweenaw County Smaltite, Keweenaw County , Ontonagon County Spessartite, Marquette County , Keweenaw County , Alpena, Baraga, Branch, Eaton, Gogebic, Huron, Iron, Keweenaw, Marquette, , Dickinson, and Iron counties Ontonagon, and Tuscola counties , Genesee County Sphene, Gogebic, Gratiot, Houghton, Iron, Marquette, and Ontonagon counties , Houghton, Keweenaw, and Marquette counties , Huron, Iron, and Marquette counties , Marquette County , Marquette County , Eaton County Minerals Found in Michigan – www.deq.state.mi/gsd - 6 of 11

Vladimirite, Keweenaw County , Dickinson, Houghton, Keweenaw, Marquette, and Ontonagon counties , Dickinson, and Keweenaw counties , Dickinson, and Genesee counties , Ontonagon County Zonochlorite, Keweenaw County Xonotlite, Keweenaw County

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Michigan Minerals Listed by County

Magnetite, Malachite, Marcasite, Microcline, Glauconite, Pyrite, Quartz, Alger County, Mirabilite, Molybdenite, , , Thomsonite , Paragonite, Pennine, Phlogopite, Pigeonite, Psilomelane, Pyrite, Pyrrhotite, Quartz, Allegan County, Gold Riebeckite, , , Siderite, , Staurolite, Talc, Tourmaline, Tremolite, Uraninite, Alpena County, , Barite, Calcite, Wollastonite, Zircon, Zoisite Chalcopyrite, Copper, Dolomite, Halite, Marcasite, Pyrite, Siderite, Sphalerite, Strontianite Eaton County, Barite, Calcite, Celestite, , Galena, Glauconite, Gypsum, Marcasite, Pyrite, Antrim County, Gold, Marcasite, Pyrite, Quartz Siderite, Sphalerite, Vivianite

Arenac County, Calcite, Gypsum, Quartz Emmet County, Gold, Montmorillonite

Baraga County, , Apatite, Barite, Beryl, Genesee County, Augite, Brookite, Enstatite, Calcite, Chalcocite, Chalcopyrite, Chlorite, Cinnabar, Hypersthene, Ilmenite, , Leucoxene, Clinochlore, Copper, Galena, Goethite, Gold, Uvarovite, Zoisite Graphite, Grunerite, Gypsum, , Magnetite, Manganite, Marcasite, Melanterite, Minnesotaite, Gogebic County, , Allanite, Montmorillonite, Palygorskite, Pyrite, Pyrolusite, Aphrosiderite, Aragonite, Axinite, Barite, Calcite, Silver, Sphalerite, Staurolite Chalcocite, Chalcopyrite, Chamosite, Chlorite, Chromium Silicates, Copper, , Dolomite, Bay County, , Fluorite, Halite Fluorite, Galena, Goethite, Gold, Graphite, Greenalite, Grunerite, Gypsum, Hausmannite, Berrien County, Anhydrite Hematite, Hisingerite, , Kaolinite, Laumontite, Magnesiosussexite, Magnetite, Galena, Pyrite, Siderite, Malachite, Manganite, Microcline, Minnesotaite, Branch County, Molybdenite, Montmorillonite, Muscovite, Neotocite, Sphalerite Nontronite, Palygorskite, Psilomelane, Pyrite, Pyrolusite, Quartz, Rhodochrosite, Riebeckite, Calhoun County, Calcite, Goethite, Marcasite, Siderite, Sphalerite, Sphene, Stilpnomelane, Talc, Psilomelane, Pyrite, Pyrolusite Tremolite

Cass County, Diamond Gratiot County, Actinolite, Albite, Anatase, Anhydrite, Augite, , Chalcopyrite, Chlorite, Charlevoix County, Dolomite, Gold, Marcasite, Copper, Digenite, , Ilmenite, Microcline, Quartz Prehnite, Pyrite, Sphene, Tremolite

Chippewa County, Calcite, Celestite, Marcasite, Houghton County, Albite, Algodonite, Analcite, Quartz Anatase, Anhydrite, Ankerite, Anthonyite, Apatite, Apophyllite, Atacamite, Augite, Barite, Bornite, Clare County, Pyrite Brucite, Buttgenbachite, Calcite, Calumetite, Chalcocite, Chalconatronite, Chalcopyrite, Delta County, Gypsum Chamosite, Chlorite, Chloritoid, Chrysocolla, Clinozoisite, Copper, Cuprite, Datolite, Delessite, Diabantite, Diopside, Dolomite, Domeykite, Epidote, Actinolite, Albite, Almandite, Dickinson County, Fluorite, Gypsum, Halite, Hematite, Iddingsite, Illite, Andradite, Anorthite, Anthophyllite, Antigorite, Ilmenite, Kaolinite, Kinoite, , Laumontite, Apatite, Augite, Azurite, Beryl, Bytownite, Calcite, Leonhardite, Leucoxene, Magnetite, Malachite, Chalcopyrite, Chlorite, Chromite, Chrysotile, Manganite, Melilite, Microcline, Mirabilite, Monazite, Clinozoisite, Columbite, Copper, Cummingtonitep, Montmorillonite, Muscovite, , Olivenite, Diopside, Dolomite, Enstatite, Fluorite, Galena, Olivine, Orthoclase, Paratacamite, Pennine, Galena, Goethite, Gold, Graphite, Greenalite, Powellite, Prehnite, Prochlorite, Pumpellyite, Pyrite, Grunerite, Gypsum, Hematite, Hornblende, Ilmenite, Pyrrhotite, Quartz, Rhodochrosite, , Labradorite, Laumontite, Lepidocrocite, Lizardite, Siderite, Silver, Sphene, Stilbite, Thomsonite,

Minerals Found in Michigan – www.deq.state.mi/gsd - 8 of 11

Thuringite, Tourmaline, Tremolite, Vermiculite, Guerinite, Gypsum, Hematite, Heulandite, Zircon Hollandite, Hornblende, Hypersthene, Iddingsite, Ilmenite, Julgoldite, Kamiokite, Kaolinite, Huron County, Calcite, Dolomite, Galena, Galena, Labradorite, Labradorite, Langite, Laumontite, Galena, Glauconite, Gypsum, Marcasite, , Leonhardite, Leucoxene, Magnetite, Melanterite, Millerite, Pyrite, Quartz, Siderite, Malachite, Manganite, Maucherite, Mesolite, Sphalerite, Spinel Microcline, Muscovite, Natrolite, Neltnerite, Niccolite, Olivine, Orientite, Orthoclase, Pararammelsbergite, Ingham County, Diamond, Gold Patricianite, Pectolite, Pennine, Pharmacolite, Picropharmacolite, Pigeonite, Posnjakite, Prehnite, Prochlorite, Pumpellyite, Pyrite, Pyrolusite, Quartz, Gold, Gypsum Ionia County, , Rauenthalite, Rhodochrosite, , Saponite, Silver, Smaltite, Sphalerite, Iosco County, Gypsum Stilbite, Tenorite, Thomsonite, Thuringite, Trichalcite, Tyrolite, Vermiculite, , Wollastonite, Iron County, Allanite, , Andalusite, Apatite, Xonotlite, Zircon, Zonochlorite Aphrosiderite, Aragonite, Augite, Barite, Bassetite, Bornite, Braunite, Calcite, Chalcocite, Chalcopyrite, Leelanau County, Gold Chamosite, Chlorite, Chloritoid, Clinozoisite, Copper, Corundum, Diamond, Dickite, Dolomite, Enstatite, Livingston County, Gold, Graphite, Silver Galena, Goethite, Gold, Graphite, Greenalite, Greenockite, Grunerite, Gypsum, Halotrichite, Quartz Hausmannite, Hematite, Hornblende, Luce County, Hydrohausmannite, Illite, Ilmenite, Kaolinite, Kyanite, Labradorite, Magnetite, Manganite, Marcasite, Mackinac County, Dolomite, Gypsum Mesolite, Meta-Autunite, Metatorbernite, Metatyuyamunite, Microcline, Muscovite, Macomb County, Anhydrite Natrojarosite, Neotocite, Olivine, Phlogopite, Pigeonite, Psilomelane, Pyrite, Pyrolusite, Pyrope, Manistee County, Anhydrite, Gold, Halite Pyrrhotite, Quartz, Rhodochrosite, Rhodonite, , Sanidine, , Siderite, Sillimanite, Silver, Marquette County, Actinolite, Aegirinaugite, Sphalerite, Sphene, Spinel, Staurolite, Aegirine, Albite, Allanite, Almandite, Anatase, Stilpnomelane, Strontianite, Sussexite, Talc, Andalusite, Anglesite, Anhydrite, Ankerite, Tourmaline, Tremolite, Uraninite Anthophyllite, Antigorite, Apatite, Aphrosiderite, Aragonite, Arsenopyrite, Augite, Awarurite, Axinite, Isabella County, Anhydrite, Fluorite Azurite, Barite, Beryl, Biotite, , Blomstrandine, Bornite, Brannerite, Brucite, Jackson County, Aragonite, Brookite, Calcite, Brunsvigite, Calcite, Celestite, Chalcocite, Dolomite, Glauconite, Goethite, Marcasite, Pyrite Chalcopyrite, Chamosite, Chlorite, Chloritoid, Chromite, Chromium Silicates, Chrysotile, Kalamazoo County, Anhydrite Clinochlore, Clino-Chrysotile, Clinozoisite, Columbite, Copper, Cordierite, Corundum, Covellite, Kalkaska County, Apatite, Fluorite, Gold Cubanite, Cummingtonitep, Diabantite, Dickite, Diopside, Dolomite, Enstatite, Epidote, Euclase, , , Fluorite, Galena, Galena, Anhydrite, Calcite, Celestite, Copper, Kent County, Gibbsite, Goethite, Gold, Graphite, Greenalite, Diamond, Gold, Gypsum Grunerite, Gypsum, Halloysite, Hausmannite, Hematite, Hornblende, Hypersthene, Illite, Jacobsite, Keweenaw County, Albite, Algodonite, Kaolinite, Kutnahorite, Kyanite, Labradorite, Almandite, Analcite, Anatase, Andesine, Anhydrite, Lizardite, Mackinawite, Magnetite, Malachite, Ankerite, Annabergite, Apatite, Apophyllite, Manganite, Manganocalcite, Marcasite, Margarite, Atacamite, Augite, Azurite, Babingtonite, Barite, Microcline, Millerite, Minnesotaite, Molybdenite, Bornite, Braunite, Brochantite, Bytownite, Monazite, Montmorillonite, Muscovite, Nacrite, Calciovolborthite, Calcite, Chalcocite, Chalcopyrite, Nontronite, Oligoclase, Olivine, Orthoclase, Chamosite, Chloanthite, Chlorite, Chloritoid, Paragonite, Pargasite, Pentlandite, Phlogopite, Chrysocolla, Clinozoisite, Copper, Covellite, Cuprite, Pigeonite, Powellite, Prochlorite, Pseudomalachite, Datolite, Delessite, Diabantite, Digenite, Diopside, Psilomelane, Pyrite, Pyrolusite, Pyrophyllite, Djurleite, Dolomite, Domeykite, Epidote, Erythrite, Pyrostilpnite, Pyrrhotite, Quartz, Rhodochrosite, Faujasite, Fluorite, Freirinite, Fuchsitep, Galena, Rhodonite, Riebeckite, Rutile, , Schefferite,

Minerals Found in Michigan – www.deq.state.mi/gsd - 9 of 11

Siderite, Sillimanite, Silver, Spessartite, Sphalerite, Digenite, Dioptase, Djurleite, Dolomite, Domeykite, Sphene, Spinel, Spodumene, Staurolite, Epidote, Fluorite, Galena, Gold, Greenockite, Stilpnomelane, Talc, Tellurium, Tetrahedrite, Gypsum, Hydrocarbon, Illite, Magnetite, Malachite, Tourmaline, Tremolite, Vermiculite, Violarite, Zircon Marcasite, Microcline, Molybdenite, Montmorillonite, Nantokite, Paramelaconite, Paratacamite, Pigeonite, Mason County, Anhydrite, Halite Plancheite, Prehnite, Pyrite, Quartz, Sanidine, Saponite, Silver, Sphalerite, Sphene, Synchisite, Mecosta County, Anhydrite Tenorite, Tridymite, Wurtzite, Zircon

Menominee County, Arsenopyrite Osceola County, Anhydrite Calcite, Dolomite, Gold Midland County, Anhydrite, Halite, Sylvite Ottawa County, Calcite, Halite, Pyrite Monroe County, Anhydrite, Apatite, Aragonite, Presque Isle County, Barite, Calcite, Celestite, Dolomite, Fluorite, Goethite, Gypsum, Marcasite, Pyrite, Quartz, Saginaw County, Halite, Pyrite Strontianite, Sulfur, Tourmaline Schoolcraft County, Goethite, Quartz Montcalm County, Gold Shiawassee County, Calcite Muskegon County, Anhydrite St. Clair County, Anhydrite, Calcite, Halite Newaygo County, Anhydrite, Celestite, Dolomite, Gold, Gypsum, Halite, Polyhalite, Pyrite, Sylvite St. Joseph County, Calcite, Gold

Oakland County, Gold Tuscola County, Copper, Sphalerite

Oceana County, Gold Van Buren County, Goethite, Quartz

Ogemaw County, Anhydrite, Gypsum, Pyrite Washtenaw County, Pyrite

Ontonagon County, Algodonite, Analcite, Wayne County, Anhydrite, Carnallite, Celestite, Anatase, Anhydrite, Atacamite, Augite, Azurite, Corundum, Dolomite, Epsomite, Fluorite, Gypsum, Barite, Bastnaesite, Bornite, Calcite, Chalcocite, Halite, Polyhalite, Pyrite, Quartz Chalcopyrite, Chlorite, Chromite, Chrysocolla, Copper, Covellite, Cuprite, Datolite, Delessite, Wexford County, Fluorite, Gold, Montmorillonite

Minerals Found in Michigan – www.deq.state.mi/gsd - 10 of 11

Mineral Names and Chemical Formulas

Actinolite ...... Ca2(Mg,Fe++)5Si8O22(OH)2 Kaolinite ...... Al2Si2O5(OH)4 ...... Fe++3Al2(SiO4)3 Kyanite ...... Al2SiO5 = Al[6]Al[6]OSiO4 Amalgam ...... Ag2Hg3 Labradorite...... (Ca,Na)(Si,Al)4O8 ...... [C,H,O] Laumontite ...... CaAl2Si4O12·4(H2O) ...... NaAlSi2O6·(H2O) ...... SiO2 Andalusite ...... Al2SiO5 = Al[6]Al[5]OSiO4 ...... K(Li,Al)3(Si,Al)4O10(F,OH)2 Andesine...... (Na,Ca)(Si,Al)4O8 ...... MgCO3 Andradite ...... Ca3Fe+++2(SiO4)3 Magnetite ...... Fe++Fe+++2O4 Anhydrite...... CaSO4 Malachite...... Cu2(CO3)(OH)2 Ankerite...... Ca(Fe++,Mg,Mn)(CO3)2 Marcasite ...... FeS2 Anorthite ...... CaAl2Si2O8 .....SiO2 Anthophyllite ...... Mg7Si8O22(OH)2 ...... Hg Apatite...... Ca5(PO4)3(OH,F,Cl) Mesolite...... Na2Ca2Al6Si9O30·8(H2O) Apophyllite ...... KCa4(Si4O10)2F·8(H2O) Microcline...... KAlSi3O8 Aragonite ...... CaCO3 Millerite...... NiS Augite...... (Ca,Na)(Mg,Fe,Al,Ti)(Si,Al)2O6 Muscovite...... KAl2(Si3Al)O10(OH,F)2 Azurite...... Cu3(CO3)2(OH)2 Natrolite...... Na2Al2Si3O10·2(H2O) Barite ...... BaSO4 Oligoclase ...... (Na,Ca)(Si,Al)4O8 Biotite...... K(Mg,Fe++)3(Al,Fe+++)Si3O10(OH,F)2 Olivine ...... (Mg,Fe)2SiO4 Bytownite ...... (Ca,Na)(Si,Al)4O8 ...... SiO2·n(H2O) Calcite...... CaCO3 Orthoclase...... KAlSi3O8 ...... SnO2 Paranatrolite...... Na2Al2Si3O10·3(H2O) ...... SrSO4 ...... (Na,Ca)(Si,Al)4O8 ...... CaAl2Si4O12·6(H2O) Prehnite...... Ca2Al2Si3O10(OH)2 Chalcocite ...... Cu2S Psilomelane ...... (Ba,H2O)2Mn5O10 Cinnabar ...... HgS Pumpellyite...... Ca(Al,Mg,Fe)3(SiO4)3(OH)·(H2O) Clinochlore...... (Mg,Fe++)5Al(Si3Al)O10(OH)8 Pyrite ...... FeS2 ...... SiO2 Pyrope...... Mg3Al2(SiO4)3 Copper ...... Cu Quartz ...... SiO2 Corundum ...... Al2O3 ...... MnO2 Covellite ...... CuS Sanidine ...... (K,Na)(Si,Al)4O8 Cristobalite...... SiO2 Scapolite ...... (Na,Ca)4[(Al,Si)4O8]3(Cl,CO3) .... Mg7Si8O22(OH)2 Schorl...... NaFe++3Al6(BO3)3Si6O18(OH)4 Cuprite ...... Cu2O ...... CaAl2Si3O10·3(H2O) Datolite...... CaBSiO4(OH) Seamanite...... Mn3(PO4)B(OH)6 Diamond ...... C Siderite...... Fe++CO3 Diopside...... CaMgSi2O6 Sillimanite...... Al2SiO5 = Al[6]Al[4]OSiO4 Dolomite...... CaMg(CO3)2 Silver ...... Ag ...... BaAl2Si3O10·4(H2O) ...... Mn++3Al2(SiO4)3 Enstatite...... Mg2Si2O6 Sphalerite...... (Zn,Fe)S Epidote...... Ca2(Fe+++,Al)3(SiO4)3(OH) = Staurolite...... (Fe++,Mg,Zn)2Al9(Si,Al)4O22(OH)2 ...... Fe++2SiO4 ...... SiO2 Fluorite...... CaF2 Sulfur...... S8 ...... Mg2SiO4 Sylvite...... KCl Galena ...... PbS Talc ...... Mg3Si4O10(OH)2 Goethite ...... Fe+++O(OH) Tetranatrolite...... Na2Al2Si3O10·2(H2O) Gold ...... Au Thomsonite ...... NaCa2Al5Si5O20·6(H2O) ...... Na2CaAl4Si6O20·7(H2O) ...... CaTiSiO5 = CaTiOSiO4 Graphite ...... C ...... Al2SiO4(F,OH)2 ...... Ca3Al2(SiO4)3 Tosudite ...... Na0,5(Al,Mg)6(Si,Al)8O18(OH)12·5(H2O) Gypsum ...... CaSO4·2(H2O) Tremolite...... Ca2Mg5Si8O22(OH)2 Halite...... NaCl Tridymite ...... SiO2 ...... CaFe++Si2O6 Uvarovite...... Ca3Cr2(SiO4)3 Hematite ...... Fe2O3 Wollastonite ...... CaSiO3 Hypersthene ...... (Mg,Fe++)2Si2O6

Minerals Found in Michigan – www.deq.state.mi/gsd - 11 of 11