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Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Suishoyama pegmatite (Suishouyama; Suisyoyama; Suishyoyama), Iizaka (Iisaka) Village, Kawamata, Fukushima Prefecture, Tohoku Region, Honshu Island, Japan Gray black yttrotantalite-(Y) with resinous light brown mass of yttrogummite. FOV = 7 x 10 mm |
| © Van King | Photo ID: 239228 View Count: 91 |
Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Høydalen (Høydalen seter), Tørdal, Drangedal, Telemark, Norway A 2 cm platy crystal of Yttrotantalite-(Y) in pegmatite matrix from Høydalen, Tørdal. Telemark, Norway. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 57117 View Count: 775 |
Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Høydalen (Høydalen seter), Tørdal, Drangedal, Telemark, Norway Partial crystal of yttrotantalite-(Y) in white (albitic?) matrix. Field of view is 1.8 cm. Obtained at Tisnov show, May 2008, at Petr Paulis booth - thanks! |
| © Ł Kruszewski 08 | Photo ID: 173807 View Count: 230 |
Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Ytterby, Resarö, Vaxholm, Uppland, Sweden Several elongated black yttrotantalite crystals frozen in matrix with old label from George English ca. 1900. See article: Ytterby, Sweden: A Classic Mineral Locality in Min. Rec., May-June 1971. Ex. Al Sebela collection. Overall size of mineral specimen: 3.5x3x1 cm. Size of individual crystals: 3-8 mm. |
| © 2001 John H. Betts | Photo ID: 1282 View Count: 1033 |
Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Ytterby, Resarö, Vaxholm, Uppland, Sweden Sections of plate-formed crystals in feldspar. Specimen 2x4.5 cm |
| © B. Otter | Photo ID: 22445 View Count: 622 |
Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Ytterby, Resarö, Vaxholm, Uppland, Sweden Dark greenish-black crysatal of Yttrotantalite-(Y). Picture size 8 mm. Photographer and collection Thomas Witzke. |
| © Thomas Witzke | Photo ID: 12176 View Count: 588 |
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Ytterby, Resarö, Vaxholm, Uppland, Sweden 6.9 x 5.2 x 3.4 cm. Yttrotantalite is a rare, rare earth oxide rich in yttrium and is similar to tantalite. This old-time specimen, with waxy lustre is from the Type Locality - the Ytterby pegmatite in Sweden. The brick-red cubes filling the little vug are pyrite crystals. About 10 rare elements were discovered here. Ex. Mullane Collection and ... |
| © Rob Lavinsky | Photo ID: 252549 View Count: 24 |
Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Little Patsy pegmatite (Patsy pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA A platy crystal on feldspar matrix; 1cm; This is one of the rarest of South Platte District minerals. A lucky find! Specimen collected by Rudy Bolona; May 2007. |
| Photo ID: 141222 View Count: 287 | |
Yttrotantalite-(Y) : (Y,Ca,U4+,Fe2+)2(Ta,Nb)2O8 | |
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Coats Pegmatite, Petaca District, Rio Arriba Co., New Mexico, USA An array of Yttrotantalite collected from 3 vugs, each ~30x70x15cm, composed of pure Yttrotantalite. Personally collected by the photographer in 2007. Largest piece is ~2cm in width, and ~1cm in height. |
| © 09 David Aldridge | Photo ID: 243707 View Count: 79 |
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