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Tantalite : (Fe,Mn)(Ta,Nb)2O6 | |
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Nuristan Province (Nurestan; Nooristan), Afghanistan Single crystal, very well-formed, good luster. Size: 4.1 x 1.9 x 4.2 cm (W x D x H) |
| © Dr. Lueg 2007 | Photo ID: 109976 View Count: 179 |
Tantalite : (Fe,Mn)(Ta,Nb)2O6 | |
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Parelhas, Borborema mineral province, Rio Grande do Norte, Northeast Region, Brazil size:tantalite X is 2cm. Paul Bongaerts specimen and photograph |
| © Paul Bongaerts | Photo ID: 66886 View Count: 337 |
Tantalite : (Fe,Mn)(Ta,Nb)2O6 | |
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Almerindo claim, Linópolis, Divino das Laranjeiras, Doce valley, Minas Gerais, Southeast Region, Brazil Sharp and shiny crystals associated with small blades of muscovite mica. Size: 3,7 x 3,3 x 2,0 cm |
| © Emanuele Marini | Photo ID: 153773 View Count: 266 |
Tantalite : (Fe,Mn)(Ta,Nb)2O6 | |
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Mendes Pimentel, Doce valley, Minas Gerais, Southeast Region, Brazil Several thin, twinned crystal of tantalite giving a pseudohexagonal appearance. The crystals are sharp and well crystallized with distinct surface striations and no corner rounding as found in alluvial specimens. Originally acquired in 1972 for $40! Ex. A. Stevenson collection #258. Overall size of mineral specimen: 21x11x8 mm. Size of individual ... |
| © 2001 John H. Betts | Photo ID: 1385 View Count: 713 |
Tantalite : (Fe,Mn)(Ta,Nb)2O6 | |
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São Pedro claim, Malacacheta, Mucuri valley, Minas Gerais, Southeast Region, Brazil A nicely formed and lustrous 2.5 by 2.5 cms complete floater crystal. John Sobolewski specimen and photograph. |
| © John Sobolewski | Photo ID: 46005 View Count: 1063 |
Tantalite : (Fe,Mn)(Ta,Nb)2O6 | |
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São Pedro claim, Malacacheta, Mucuri valley, Minas Gerais, Southeast Region, Brazil Lustrous black rectangular crystal of tantalite. Completely crystallized on 5 sides, the bottom is incomplete where matrix was attached. Ex. A. Stevenson collection #798. Overall size of mineral specimen: 14x10x9 mm. Size of individual crystals: 14 mm. |
| © 2001 John H. Betts | Photo ID: 1157 View Count: 1259 |
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São Pedro claim, Malacacheta, Mucuri valley, Minas Gerais, Southeast Region, Brazil Crystal with 7x3,5x2cm - September of 2008 |
| © Martins da Pedra | Photo ID: 186241 View Count: 105 |
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São Pedro claim, Malacacheta, Mucuri valley, Minas Gerais, Southeast Region, Brazil Crystal with 7x3x2cm - September of 2008 |
| © Martins da Pedra | Photo ID: 186239 View Count: 99 |
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Ricksburg, Karibib District, Erongo Region, Namibia Black crystal with a dull lustre, gift from Mrs Jooste (Joosteite), Etiro 50, June 2001. Measures 3.4cm x 1.8cm x 1.5cm. |
| © Debbie Woolf | Photo ID: 106874 View Count: 176 |
Tantalite : (Fe,Mn)(Ta,Nb)2O6, Microlite : (Ca,Na)2Ta2O6(O,OH,F) | |
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Shigar Valley, Skardu District, Baltistan, Northern Areas, Pakistan 9.0 x 6.0 cm. A most unusual specimen of large xls that appear to be MICROLITE that are, in fact, pseudomorphed by TANTALITE, with no MICROLITE remaining. From a very small find made in the summer of 2007, and very rare. |
| © H. Obodda | Photo ID: 185751 View Count: 84 |
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