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Carbokentbrooksite : Na11-12(Na,Ce)3Ca6Mn3Zr3Nb[(OH)3|CO3|(Si3O9)2|(Si9O27)2SiO] · H2O, Zirsilite-(Ce) : Na11-12(Ce,Na)3Ca6Mn3Zr3Nb[(OH)3|CO3|(Si3O9)2|(Si9O27)2SiO] · H2O, Quartz : SiO2 |
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Darai-Pioz (Dara-i-Pioz; Dara-Pioz) Glacier, Alai (Alayskiy) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan
5 mm yellow grain of carbokentbrooksite, a carbonate-analogue of kentbrooksite (neglecting one molecule of water) in quartz-rich part of the Dara-i-Pioz pegmatite. This is a zoom of a whole 1.9 cm wide crystalline aggregate, which can be seen at other attached photos. According to the original description, the boundary between carbokentbrooksite ... |
| © Ł Kruszewski 2007 | Photo ID: 176410 View Count: 99 |
Carbokentbrooksite : Na11-12(Na,Ce)3Ca6Mn3Zr3Nb[(OH)3|CO3|(Si3O9)2|(Si9O27)2SiO] · H2O |
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Darai-Pioz (Dara-i-Pioz; Dara-Pioz) Glacier, Alai (Alayskiy) Range, Tien Shan Mts, Region of Republican Subordination, Tajikistan
A segregation of yellow to orange Carbokentbrooksite in matrix from the type locality at Dara-i-Pioz, Tajikistan. Field of view: 2 cm. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 79423 View Count: 339 |