Minerals from Midwest, USA

Admire Pallasite MG Meteorite from Admire, Lyon County, Kansas

Aegirine from Magnet Cove, Hot Spring County, Arkansas

Aegirine var. Acmite with Nepheline from Magnet Cove, Hot Spring County, Arkansas

Albite from Magnet Cove, Hot Spring County, Arkansas

Algodonite from Painsdale, Houghton County, Michigan

Algodonite from Mohawk Mine, Keweenaw Peninsula Copper District, Keweenaw County, Michigan

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid lode, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid lode, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid lode, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid Lode, Keweenaw Peninsula Copper District, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid Lode, Keweenaw Peninsula Copper District, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid Lode, Keweenaw Peninsula Copper District, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Keweenaw Peninsula Copper District, Michigan

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid lode, Keweenaw County, Michigan (Type Locality for Mohawkite)

Algodonite, Domeykite, As-rich Copper var. Mohawkite from Mohawk Mine, Kearsarge Amygdaloid Lode, Keweenaw Peninsula Copper District, Michigan (Type Locality for Mohawkite)

Almandine Garnet from Custer County, South Dakota

Almandine Garnet and Schorl from Custer Pegmatite District, Custer County, South Dakota

Alstonite over Fluorite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Alstonite with Witherite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Analcime from Phoenix Mine, Phoenix, Keweenaw County, Michigan

Analcime from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Analcime from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Analcime and Calcite from Copper Falls Mine, Keweenaw County, Michigan

Analcime and Native Copper from Quincy Mine, Hancock, Keweenaw Peninsula Copper District, Houghton County, Michigan

Analcime on Native Copper from Cliff Mine, south of Eagle River, Keweenaw Peninsula Copper District, Keweenaw County, Michigan

Analcime on Orthoclase from 3M Quarry, Granite Mountain, Pulaski County, Arkansas

Analcime on Orthoclase with Chlorite from 3M Quarry, Granite Mountain, Pulaski County, Arkansas

Analcime with Copper inclusions from Keweenaw Peninsula Copper District, Michigan

Analcime with Copper inclusions and Apophyllite overgrowth from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Analcime with Native Copper from Phoenix Mine, Keweenaw Peninsula Copper District, Michigan

Analcime, Aegirine, Orthoclase, Chlorite, Biotite from 3M Quarry, Granite Mountain, Pulaski County, Arkansas

Analcime, Copper, Microcline, Calcite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Analcime, Quartz, Hematite from Cliff Mine, Phoenix, Keweenaw County, Michigan

Anatase from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

Anatase pseudomorph after Perovskite from Cove Creek Bridge at U. S. Route 270, Magnet Cove, Hot Springs County, Arkansas

Anatase pseudomorph after Perovskite from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

Anatase pseudomorph after Perovskite on Magnetite from Perovskite Hill, Magnet Cove, Hot Spring County, Arkansas

Andradite var. Melanite Garnet from Magnet Cove, Hot Spring County, Arkansas

Andradite var. Melanite Garnet from Magnet Cove, Hot Spring County, Arkansas

Anglesite from Missouri

Anglesite with Galena from Potosi, Washington County, Missouri

Apophyllite from Keweenaw Peninsula, Lake Superior, Michigan

Apophyllite from Keweenaw Peninsula Copper District, Houghton County, Michigan

Apophyllite, Calcite and Native Copper from Phoenix Mine, Houghton County, Michigan

Aragonite from Old Moline Quarry, Moline, Kansas

Aragonite from Rice's Cave, Dubuque, Dubuque County, Iowa

Aragonite from Northern region (Harper County?), Oklahoma

Aragonite from Badlands, South Dakota

Aragonite from Sterling Mine, Marquette County, Michigan

Aragonite (pseudo-hexagonal twinned crystals) from Clarendon, Donley County, Texas

Aragonite pseudo-hexagonal crystals (a.k.a. Indian Money) from Twin Buttes, 12.8 km north of Rosston, 1.6 km east of Route 283, Harper County, Oklahoma

Aragonite Twins from Northwestern Areas, Oklahoma

Aragonite with Sulfur from Moss Bluff Dome, Liberty County, Texas

AutoLite Carbide Miner's Lamp from Universal Lamp Company, Chicago, Cook County, Illinois

Autunite from Black Hills, South Dakota

Bacculite from Fort Thomson, Missouri River, South Dakota

Barite from Pugh Quarry, 6 km NNW of Custar, Wood County, Ohio

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

Barite from Pugh Quarry, 6 km NNW of Custar, Wood County, Ohio

Barite from Pugh Quarry, 6 km NNW of Custar, Wood County, Ohio

Barite from Elk Creek, Meade County, South Dakota

Barite from Buckshot Mine, Morgan County, Missouri

Barite from Lamb Mine, Morgan County, Missouri

Barite from Proctor Creek, Morgan County, Missouri

Barite from Pugh Quarry, 6 km NNW of Custar, Wood County, Ohio

Barite from Buckshot Mine, Morgan County, Missouri

Barite from Lamb Mine, Gravois Mills, Morgan County, Missouri

Barite from Murphy Barite Mine, Houston, Texas County, Missouri

Barite from Lamb Mine, Morgan County, Missouri

Barite from Lamb Mine, Iron County, Missouri

Barite from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Barite from Cave in Rock District, Hardin County, Illinois

Barite from Cave-in-Rock District, Hardin County, Illinois

Barite from Montreal Mine, Gogebic Iron Range, Iron County, Wisconsin

Barite from Elk Creek, Meade County, South Dakota

Barite from Buckshot Mine, Lincoln, Benton County, Missouri

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

Barite from Cave-In-Rock District, Hardin County, Illinois

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Rosiclare level, Denton Mine, Goose Creek Group, Hardin County, Illinois

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

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

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

Barite from Pugh Quarry (France Stone Co. Custar Quarry), 6 km NNW of Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), 6 km NNW of Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), 6 km NNW of Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), 6 km NNW of Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), 6 km NNW of Custar, Wood County, Ohio

Barite from Pugh Quarry (France Stone Co. Custar Quarry), 6 km NNW of Custar, Wood County, Ohio

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

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Baroid Mine, Magnet Cove, Hot Spring County, Arkansas

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

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

Barite from Cave-in-Rock District, Hardin County, Illinois

Barite from Harris Creek District, Hardin County, Illinois

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

Barite from Cave-in-Rock District, Hardin County, Illinois

Barite from Elk Creek, Meade County, South Dakota

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

Barite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Lamb Mine, near Gravois Mills, Morgan County, Missouri

Barite from Old Mines area, Washington County, Missouri

Barite from Pugh Quarry, 6 km NNW of Custar, Wood County, Ohio

Barite from Cave-in-Rock District, Hardin County, Illinois

Barite from Cave-in-Rock District, Hardin County, Illinois

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

Barite from Elk Creek, Meade County, South Dakota

Barite from Elk Creek, Meade County, South Dakota

Barite from Linwood Mine, Buffalo, Scott County, Iowa

Barite from Elk Creek, Meade County, South Dakota

Barite from Linwood Mine, Buffalo, Scott County, Iowa

Barite from Frumet District, Jefferson County, Missouri

Barite from Linwood Mine, Buffalo, Scott County, Iowa

Barite from Elk Creek, Meade County, South Dakota

Barite (stalactitic formations) from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite (stalactitic formations) from Cave-in-Rock District, Hardin County, Illinois

Barite and Calcite from Cave in Rock District, Hardin County, Illinois

Barite and Calcite from Elk Creek, Meade County, South Dakota

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

Barite and Calcite over Fluorite from Cave-in-Rock District, Hardin County, Illinois

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

Barite and Fluorite on Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite and Sphalerite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite and Sphalerite from Minerva #1 Mine, Cave-in-Rock District, Hardin County, Illinois

Barite in Quartz Geode from Bear Creek, Trevlac, Brown County, Indiana

Barite on Calcite from Pugh Quarry, 6 km NNW of Custar, Wood County, Ohio

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Pugh Quarry, 6 km NNW of Custar, Wood County, Ohio

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Beatrice, Gage County, Nebraska

Barite on Calcite from Elk Creek, Meade County, South Dakota

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

Barite on Calcite from Elk Creek, near Elm Springs, Meade County, South Dakota

Barite on Calcite from Clay Center, Ottawa County, Ohio

Barite on Calcite from Minerva #1 Mine (Ozark-Mahoning No. 1 Mine), Cave-in-Rock District, Hardin County, Illinois

Barite on Calcite from Elmwood Mine, Carthage, Smith County, Tennessee

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

Barite on Calcite from Elk Creek, Meade County, South Dakota

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

Barite on Fluorite from Cave-in-Rock District, Hardin County, Illinois

Barite on Fluorite from Sub-Rosiclare Level, Annabel Lee Mine, Harris Creek District, Hardin County, Illinois