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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Image is 7mm wide. White Bultfonteinite needles. Other views available: 1 |
| © 2004 D. Schläfli | Photo ID: 18295 View Count: 348 |
Bultfonteinite : Ca2[F|HSiO4] · H2O, Poldervaartite : CaCa[SiO3OH](OH) | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Picture size: 15 mm Photo & Collection: Foschi-Tagliabue |
| © Tagliabue-Foschi | Photo ID: 25049 View Count: 331 |
Bultfonteinite : Ca2[F|HSiO4] · H2O | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa This is, as the pics show off pretty well, a choice display-quality example of sugary orange-peach-pink colored Bultfonteinite (note that it changes color a bit in different lighting conditions). 5 x 4 x 3 cm |
| © Rob Lavinsky | Photo ID: 21335 View Count: 308 |
Bultfonteinite : Ca2[F|HSiO4] · H2O, Poldervaartite : CaCa[SiO3OH](OH) | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa 55 x 43 x 14 mm.White bulfonteinite needles bundles mixed with brown poldervaartite crytals. RFC C1684. |
| © Michael C. Roarke | Photo ID: 98930 View Count: 124 |
Bultfonteinite : Ca2[F|HSiO4] · H2O | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Picture width is 40mm. Nice cluster of Bultfonteinite. |
| © Elmar Lackner | Photo ID: 96186 View Count: 105 |
Bultfonteinite : Ca2[F|HSiO4] · H2O, Ettringite : Ca6Al2[(OH)4|SO4]3 · 26H2O | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Pink bultfonteinite globule with yellow ettringite xls. Field 6mm. Collection & photo R. Bracco. |
| © R. Bracco | Photo ID: 16995 View Count: 537 |
Bultfonteinite : Ca2[F|HSiO4] · H2O | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Bultfontainite crystals to 4 mm from N'Chwaning, Kalahari, South Africa. Specimen and photo: Knut Eldjarn. |
| © Knut Eldjarn | Photo ID: 55382 View Count: 219 |
Bultfonteinite : Ca2[F|HSiO4] · H2O, Poldervaartite : CaCa[SiO3OH](OH) | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Group of white acicular crystals of Bultfonteinite with crystals up to 2mm of Poldervaartite - Overall size 5x4x3cm - September of 2005 |
| © Martins da Pedra | Photo ID: 50233 View Count: 217 |
Bultfonteinite : Ca2[F|HSiO4] · H2O | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Picture width 3 mm. Collection and photograph Stephan Wolfsried |
| © Stephan Wolfsried | Photo ID: 53967 View Count: 213 |
Bultfonteinite : Ca2[F|HSiO4] · H2O | |
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N'Chwaning II Mine, N'Chwaning Mines, Kuruman, Kalahari manganese fields, Northern Cape Province, South Africa Picture width is 7mm. Nice clusters of Bultfonteinite. Depth of field is achieved with CombineZM. |
| © Elmar Lackner | Photo ID: 77671 View Count: 190 |
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