Displaying: 1 - 5
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5 Records Found
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NAMES |
RRUFF ID |
IDEAL CHEMISTRY |
SOURCE |
LOCALITY |
OPTIONS |
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| Columbite-(Fe) |
R050348 |
Fe2+Nb2O6 |
California Institute of Technology |
Lord Hill mine, Stoneham, Oxford County, Maine, USA |
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| Columbite-(Fe) |
R060001 |
Fe2+Nb2O6 |
Eric Van Valkenburg |
Gypsy mine, Minas Gerais, Brazil |
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| Columbite-(Fe) |
R070161 |
Fe2+Nb2O6 |
James Shigley |
Tveit mine, Iveland, Setesdal Valley, Aust-Agder, Norway |
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| Columbite-(Mn) |
R040083 |
Mn2+Nb2O6 |
University of Arizona Mineral Museum 10964 |
Mina Miramica, Santa Cruz, Bolivia |
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| Columbite-(Mn) |
R050359 |
Mn2+Nb2O6 |
University of Arizona Mineral Museum 5452 |
Black Hills, South Dakota, USA |
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Displaying: 1 - 5
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5 Records Found
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