Columbite
Photographed by Michael P. Klimetz
Columbite-(Mn)
[Crystal with Parsonsite Coating]
Mica Lode Mine
Fremont County
COLORADO
Photographed by Michael P. Klimetz
Columbite
Mica Lode Mine
Fremont County
COLORADO
Photographed by Michael P. Klimetz
Columbite
[Intergrown Crystals]
Mica Lode Mine
Fremont County
COLORADO
Photographed by Michael P. Klimetz
NORTH CAROLINA
Photographed by Michael P. Klimetz
Columbite
[Tabular Crystal]
McKinney Mine
Mitchell County
NORTH CAROLINA
Photographed by Michael P. Klimetz
Columbite and Monazite (Ce)
[In Matrix]
McGuire Pegmatite
Lonesome Lode
Lonesome Pegmatite
Park County
COLORADO
Photographed by Michael P. Klimetz
Columbite
[Partial Crystal]
Bedford
Westchester County
NEW YORK
Photographed by Michael P. Klimetz
Columbite-(Fe)
Mica Lode Mine
Fremont County
COLORADO
Photographed by Michael P. Klimetz
Bayliss Quarry
Bedford
Westchester County
NEW YORK
Photographed by Michael P. Klimetz
Bayliss Quarry
Bedford
Westchester County
NEW YORK
Photographed by Michael P. Klimetz
Bayliss Quarry
Bedford
Westchester County
NEW YORK
Photographed by Michael P. Klimetz
[Partial Crystal Plates in Matrix]
Estes Pegmatite
West Baldwin
Cumberland County
MAINE
Photographed by Michael P. Klimetz
[Single Terminated Lustrous Iridescent Crystal Plate]
Divino
Uba
Minas Gerais
BRAZIL
Photographed by Michael P. Klimetz
[Single Terminated Lustrous Crystal Plate]
Divino
Uba
Minas Gerais
BRAZIL
Photographed by Michael P. Klimetz
[Disseminated Black Crystals in Garnet-Biotite Pegmatite]
McKinney Mine
Spruce Pine
Mitchell County
NORTH CAROLINA
Photographed by Michael P. Klimetz
[Disseminated Black Crystals in Garnet-Biotite Pegmatite]
McKinney Mine
Spruce Pine
Mitchell County
NORTH CAROLINA
Photographed by Michael P. Klimetz
[Black Crystal Plates with Tantalite in Albite]
Oxford County
MAINE
Photographed by Michael P. Klimetz
[Two Partial Black Crystal Fragments (One with Microcline Attached)]
Bethel Quarries
Fairfield County
CONNECTICUT
Photographed by Michael P. Klimetz
Columbite-Tantalite
[Disseminated Intergrown Black Crystals in Matrix]
Bigger Mica Mine
Jefferson County
COLORADO
Photographed by Michael P. Klimetz
Columbite-Tantalite
[Disseminated Intergrown Black Crystals in Matrix]
Bigger Mica Mine
Jefferson County
COLORADO
Photographed by Michael P. Klimetz
[Disseminated Intergrown Black Crystals with Red-Brown Monazite in Pegmatite]
Uranium King Mine
Carbon County
WYOMING
Photographed by Michael P. Klimetz
[Disseminated Intergrown Black Crystals with Red-Brown Monazite in Pegmatite]
Uranium King Mine
Carbon County
WYOMING
Photographed by Michael P. Klimetz
[Disseminated Intergrown Black Crystals with Red-Brown Monazite in Pegmatite]
Uranium King Mine
Carbon County
WYOMING
Photographed by Michael P. Klimetz
[Lustrous Crystalline Mass in Pegmatite]
Hugo Mine
Keystone
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
[Lustrous Crystalline Mass in Pegmatite]
Hugo Mine
Keystone
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
[Lustrous Crystalline Mass in Pegmatite]
Hugo Mine
Keystone
Pennington County
SOUTH DAKOTA
Photographed by Michael P. Klimetz
[Crystal Fragment]
Uranium King Mine
Encampment
Carbon County
WYOMING
Photographed by Michael P. Klimetz
[Crystal Fragment]
Uranium King Mine
Encampment
Carbon County
WYOMING
Photographed by Michael P. Klimetz
[Crystal Fragment]
Uranium King Mine
Encampment
Carbon County
WYOMING
Photographed by Michael P. Klimetz
[Lustrous Black Crystal Fragments with Dark Red-Brown Tantalite in Pegmatite]
Emmons Pegmatite
Uncle Tom Mountain
Greenwood
Oxford County
MAINE
Photographed by Michael P. Klimetz
[Lustrous Black Crystal Fragments with Dark Red-Brown Tantalite in Pegmatite]
Emmons Pegmatite
Uncle Tom Mountain
Greenwood
Oxford County
MAINE
Photographed by Michael P. Klimetz
[Lustrous Black Crystal Fragments with Dark Red-Brown Tantalite in Pegmatite]
Emmons Pegmatite
Uncle Tom Mountain
Greenwood
Oxford County
MAINE
