Displaying: 1 - 32
32 Records Found
NAMES
RRUFF ID
IDEAL CHEMISTRY
SOURCE
LOCALITY
OPTIONS
Columbite-(Fe)
R050348
Fe2+ Nb2 O6
California Institute of Technology
Lord Hill mine, Stoneham, Oxford County, Maine, USA
Columbite-(Fe)
R060001
Fe2+ Nb2 O6
Eric Van Valkenburg
Gypsy mine, Minas Gerais, Brazil
Columbite-(Fe)
R070161
Fe2+ Nb2 O6
James Shigley
Tveit mine, Iveland, Setesdal Valley, Aust-Agder, Norway
Columbite-(Mn)
R040083
Mn2+ Nb2 O6
University of Arizona Mineral Museum 10964
Mina Miramica, Santa Cruz, Bolivia
Columbite-(Mn)
R050359
Mn2+ Nb2 O6
University of Arizona Mineral Museum 5452
Black Hills, South Dakota, USA
Euxenite-(Y)
R060856
Y(NbTi)O6
Michael Scott S101012
Betafo, Madagascar
Euxenite-(Y)
R070324
Y(NbTi)O6
James Shigley
Impilahti Parish, Lake Ladoga region, Russia
Euxenite-(Y)
R080101
Y(NbTi)O6
Michael Scott S101012
Betafo, Madagascar
Ferberite
R040044
Fe2+ (WO4 )
University of Arizona Mineral Museum 2033
Chocote, Bolivia
Ferberite
R050090
Fe2+ (WO4 )
Rock Currier
Yaogangxian mine, Cheng Zhu City, South Hunan, China
Ferberite
R050632
Fe2+ (WO4 )
University of Arizona Mineral Museum 15596
Chance mine, Boulder, Colorado, USA
Ferrowodginite
R120166
Fe2+ Sn4+ Ta2 O8
Rock Currier
Nyanga #2 pegmatite, Ankloe, Uganda
Fersmite
R060717
CaNb2 O6
Michael Scott S101205
Lueshe carbonatite, Kivu Province, Democratic Republic of the Congo
Hübnerite
R050069
Mn2+ (WO4 )
Rock Currier
Yaogangxian, Yizhang County, Hunan Province, China
Hübnerite
R050139
Mn2+ (WO4 )
Dave Bunk Minerals
Pasto Bueno District, Pallasca Province, Ancash Department, Peru
Hübnerite
R050556
Mn2+ (WO4 )
Dave Bunk Minerals
Pasto Bueno, Ancash Department, Peru
Hübnerite
R060900
Mn2+ (WO4 )
Michael Scott S100974
near Kara-Oba Deposit, Kazakhstan
Ishikawaite
R070496
(U,Fe,Y)NbO4
Michael Scott S101918
Standpipe Hill mines, Topsham, Sagadahoc County, Maine, USA
Ixiolite-(Mn2+ )
R070289
(Ta2/3 Mn2+ 1/3 )O2
Michael Scott S105141
Voroni Tundra, Kola Peninsula, Russia
Ixiolite-(Mn2+ )
R070495
(Ta2/3 Mn2+ 1/3 )O2
Michael Scott S105768
Alto Ligonha pegmatite, Alto Ligonha District, Zambezia Province, Mozambique
Lithiotantite
R100165
LiTa3 O8
Luiz Menezes
Murundu mine, Jenipapo district, Itinga, Minas Gerais, Brazil
Samarskite-(Y)
R070540
YFe3+ Nb2 O8
James Shigley
Fremont County, Colorado, USA
Scrutinyite
R080018
PbO2
William W. Pinch
Snake Pit, lower Mex-Tex mine, Hansonburg District, Socorro County, New Mexico, USA
Tantalite-(Fe)
R070548
Fe2+ Ta2 O6
James Shigley
Grizzly Bear Gulch, Black Hills, Custer County, South Dakota, USA
Tantalite-(Mn)
R050600
Mn2+ Ta2 O6
Wayne Thompson
Shengus, Pakistan
Tantalite-(Mn)
R060252
Mn2+ Ta2 O6
William W. Pinch
Kohtokay mine, Xinjiang Autonomous Region, China
Tantalite-(Mn)
R060415
Mn2+ Ta2 O6
Herb Obodda 108
Nuristan, Laghman Province, Afghanistan
Titanowodginite
R061033
Mn2+ TiTa2 O8
Michael Scott S101303
Tanco pegmatite, Manitoba, Canada
Wodginite
R130047
Mn2+ Sn4+ Ta2 O8
Royal Ontario Museum
Tanco mine (Bernic Lake mine), Bernic Lake, Lac-du-Bonnet area, Manitoba, Canada
Yttrotantalite-(Y)
R060022
(Y,U,Fe2+ )(Ta,Nb)(O,OH)4
American Museum of Natural History 67464
Swaziland
Yttrotantalite-(Y)
R060828
(Y,U,Fe2+ )(Ta,Nb)(O,OH)4
Michael Scott S101196
Skuleboda, Sweden
Yttrotantalite-(Y)
R080046
(Y,U,Fe2+ )(Ta,Nb)(O,OH)4
American Museum of Natural History 67464
Swaziland
Displaying: 1 - 32
32 Records Found