Minerals from Midwest, USA

Calcite with Fluorite from Cave-in-Rock District, Hardin County, Illinois

Calcite with Fluorite from Denton Mine, Harris Creek District, Hardin County, Illinois

Calcite with Fluorite and Bitumen surface inclusions from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite with Galena from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Galena from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Galena from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite with Galena and Dolomite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Galena and Pyrite pseudomorphs after Anhydrite from Milliken Mine, Ellington, Viburnum Trend District, Reynolds County, Missouri

Calcite with Galena, Chalcopyrite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite with Galena, Chalcopyrite from St. Joe Lead District, Missouri

Calcite with Goethite from St. Genevieve, Missouri

Calcite with Goethite and Pyrite inclusions from Kentucky Stone Quarry, Flemingsburg, Fleming County, Kentucky

Calcite with Hematite inclusions from Terlingua District, Brewster County, Texas

Calcite with internal phantom-growths from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with iridescent Limonite coating from Lost Creek Coal Mine, Beacon, Iowa

Calcite with Limonite coating from Fogle Quarry, Ottawa, Franklin County, Kansas

Calcite with Marcasite from Brushy Creek, Viburnum Trend, Reynolds County, Missouri

Calcite with Marcasite from Shullsburg District, Lafayette County, Wisconsin

Calcite with Marcasite from Vulcan Mine, Vulcan, Dickinson County, Michigan

Calcite with Marcasite from Blue Goose Mine, near Joplin, Jasper County, Missouri

Calcite with Marcasite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Marcasite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Marcasite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Marcasite coating from Brushy Creek Mine, 1100' Level, 106 Drift, Reynolds County, Missouri

Calcite with Marcasite coating from Brushy Creek Mine, 1100' Level, 106 Drift, Reynolds County, Missouri

Calcite with Marcasite inclusions from Fogle Quarry, Ottawa, Franklin County, Kansas

Calcite with Marcasite inclusions from Vulcan Materials Co.Quarry, Racine, Racine County, Wisconsin

Calcite with Marcasite inclusions from Joplin, Jasper County, Missouri

Calcite with Marcasite inclusions from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite with Marcasite inclusions from Linwood Mine, Buffalo, Scott County, Iowa

Calcite with Marcasite inclusions from Viburnum Trend, Reynolds County, Missouri

Calcite with Marcasite inclusions from Vulcan Materials Co.Quarry, Racine, Racine County, Wisconsin

Calcite with Marcasite inclusions from Fletcher Mine, near Bunker, Viburnum Trend, Reynolds County, Missouri

Calcite with Marcasite inclusions from Linwood Mine, Scott County, Iowa

Calcite with Marcasite inclusions from St. Joe Mine, No. 12 Shaft, Leadwood, Old Lead Belt, Saint Francois County, Missouri

Calcite with Marcasite inclusions from St. Joe Mine, No. 12 Shaft, Leadwood, Old Lead Belt, Saint Francois County, Missouri

Calcite with Marcasite inclusions from Viburnum Trend, Reynolds County, Missouri

Calcite with Marcasite inclusions from Berry Materials Quarry, North Vernon, Jennings County, Indiana

Calcite with Marcasite phantom growth inclusions from Vulcan Materials Co.Quarry, Racine, Racine County, Wisconsin

Calcite with Marcasite phantom inclusions from Vulcan Materials Co.Quarry, Racine, Racine County, Wisconsin

Calcite with Marcasite phantom inclusions from Vulcan Materials Co.Quarry, Racine, Racine County, Wisconsin

Calcite with Marcasite phantom-growth zones from Vulcan Quarry, Racine, Racine County, Wisconsin

Calcite with Marcasite phantom-growth zones from Vulcan Quarry, Racine, Racine County, Wisconsin

Calcite with micro Marcasite inclusions from Vulcan Materials Co.Quarry, Racine, Racine County, Wisconsin

Calcite with Millerite inclusions from Corydon Crushed Stone Quarry, Harrison County, Indiana

Calcite with minor Pyrite from Logansport, Cass County, Indiana

Calcite with minor Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite with Native Copper from Franklin Mine, Franklin (near Hancock), Houghton County, Michigan

Calcite with native Copper inclusions from Calumet, Keweenaw Peninsula Copper District, Houghton County, Michigan

Calcite with phantom inclusion from California Hill, Brewster County, Texas

Calcite with phantom-growth zones from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite from Columbus, Bartholomew County, Indiana

Calcite with Pyrite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite from Cave-in-Rock District, Hardin County, Illinois

Calcite with Pyrite and Marcasite inclusions from Pint's Quarry, Raymond, Black Hawk County, Iowa

Calcite with Pyrite inclusions from North Vernon, Jennings County, Indiana

Calcite with Pyrite inclusions from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite with Pyrite inclusions from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite with Pyrite inclusions from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite with Pyrite inclusions from New Sharon, Mahaska County, Iowa

Calcite with Pyrite, Dolomite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite, Dolomite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite-Marcasite from Brushy Creek Mine, 1100' Level, Drift 106, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite-Marcasite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite-Marcasite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite-Marcasite from Brushy Creek Mine, Viburnum Trend, Reynolds County, Missouri

Calcite with Pyrite-Marcasite inclusions from North Vernon, Jennings County, Indiana

Calcite with Pyrite-Marcasite inclusions from Paul Frank Quarry, North Vernon, Jennings County, Indiana

Calcite with red internal phantom from Red Phantom Pocket, Fletcher Mine, Reynolds County, Missouri

Calcite with red internal phantom from Red Phantom Pocket, Fletcher Mine, Reynolds County, Missouri

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Washabaugh County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with sand inclusions from Rattlesnake Butte, Shannon County, South Dakota

Calcite with Sand Inclusions (Sand Calcite) from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with Sand Inclusions (Sand Calcite) from Rattlesnake Butte (Devils Hill), Shannon County, South Dakota

Calcite with Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite with Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite with Sphalerite from Tri-State mining district, Cherokee County, Kansas

Calcite with Sphalerite from Annabel Lee Mine, Harris Creek District, Hardin County, Illinois

Calcite with Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite with Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite with Sphalerite from Tri-State Lead-Zinc Mining District, near Joplin, Jasper County, Missouri

Calcite with Sphalerite and Fluorite from Elmwood Mine, Carthage, Smith County, Tennessee

Calcite, Barite, Marcasite from Fogle Quarry, Ottawa, Franklin County, Kansas

Calcite, Chalcopyrite on Dolomite from Picher District, Ottawa County, Oklahoma

Calcite, Chalcopyrite, Dolomite from Fletcher Mine, Pillar 2145, Stope 73C28, Reynolds County, Missouri

Calcite, Chalcopyrite, Galena from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite, Copper, Quartz from Phoenix Mine, Phoenix, Keweenaw County, Michigan

Calcite, Dolomite, Chalcopyrite from Black Rock Quarry, Lawrence County, Arkansas

Calcite, Dolomite, Pyrite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite, Dolomite, Pyrite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite, Dolomite, Smithsonite from Monte Cristo Mine, Rush Creek District, Marion County, Arkansas

Calcite, doubly-terminated from Cave-in-Rock District, Hardin County, Illinois

Calcite, Fluorite, Barite from Minerva #1 Mine, Harris Creek District, Hardin County, Illinois

Calcite, Fluorite, Barite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite, Fluorite, Dolomite from Lime Crest Quarry (Limecrest), Sussex Mills, Wood County, Ohio

Calcite, Fluorite, Millerite, Pyrite from Iowa

Calcite, Galena, Chalcopyrite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite, Galena, Chalcopyrite from Viburnum Trend, Reynolds County, Missouri

Calcite, Galena, Dolomite, Chalcopyrite from Sweetwater Mine, Viburnum Trend, Reynolds County, Missouri

Calcite, Galena, Pyrite from Viburnum Trend Lead District, Reynolds County, Missouri

Calcite, Marcasite, Pyrite from attributed to La Farge Quarry(?), Buffalo, Scott County, Iowa

Calcite, Pyrite, Hematite from Hiawatha Mine, Stambaugh, Michigan

Calcite, Quartz and Pyrite Geode from Sheffler's Geode Mine, Alexandria, Clark County, Missouri

Calcite, Quartz, Marcasite from Fogle Quarry, Ottawa, Franklin County, Kansas

Calcite, Sphalerite, Chalcopyrite from Picher, Ottawa County, Oklahoma

Calcite, Sphalerite, Fluorite from Cave-in-Rock District, Hardin County, Illinois

Calcite, Sphalerite, Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Calcite, twin crystals from Irving Materials Quarry, Anderson, Madison County, Indiana

Calcite, with internal phantom from Denton Mine, Cave-in-Rock District, Hardin County, Illinois

Calomel (secondary) from Old Scott Furnace, Chisor Mine, Terlingua, Texas

Calumetite from Centennial #2 Mine, near Calumet, Keweenaw Peninsula Copper District, Houghton County, Michigan (Type Locality for Calumetite)

Calumetite and Epidote from Centennial Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan (Type Locality for Calumetite)

Calumetite, Epidote, Quartz from Centennial Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan (Type Locality for Calumetite)

Calumetite, Epidote, Quartz from Centennial Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan (Type Locality for Calumetite)

Calumetite, Epidote, Quartz from Centennial Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan (Type Locality for Calumetite)

Calumetite, Epidote, Quartz from Centennial Mine, Keweenaw Peninsula Copper District, Houghton County, Michigan (Type Locality for Calumetite)

Carnotite from Carnotite Cave, Edgemont, Fall River County, South Dakota

Cassiterite in Muscovite from White Cap Mine, Keystone District, Pennington County, South Dakota

Celestine from Scofield Quarry, Maybee, Monroe County, Michigan

Celestine from Scofield Quarry, Maybee, Michigan

Celestine from White Rock Quarry, Clay Center, Ohio

Celestine from Clay Center, Ohio

Celestine from Scofield Quarry, Maybee, Michigan

Celestine from Scofield Quarry, Maybee, Michigan

Celestine from Maumee Stone Quarry, Lime City, Ohio

Celestine from White Rock Quarry, Clay Center, Ohio

Celestine from Ottawa Silica Company Quarry, Rockwood, Wayne County, Michigan

Celestine from Lometta, Lampassas County, Texas

Celestine from Ottawa Silica Company Quarry, Rockwood, Wayne County, Michigan

Celestine from Holloway Quarry, Newport, Michigan

Celestine from Clay Center, Ohio

Celestine from Ottawa Silica Company Quarry, Rockwood, Wayne County, Michigan

Celestine from Holloway Quarry, Newport, Monroe County, Michigan

Celestine from Holloway Quarry, Newport, Monroe County, Michigan

Celestine from Annabel Lee Mine, Hardin County, Illinois

Celestine from Scofield Quarry, Maybee, Michigan