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Kangjiawan Pb-Zn-Ag-Au deposit, Shuikoushan ore field, Changning Co., Hengyang Prefecture, Hunan Province, China Calcite with Sphalerite and Quartz from Kangjianwan Mine, Shuikoushan, Hunan Three lenticular Calcite crystals, with perfect form, the three upper faces of the rhombohedra very visible, and the prisms hardly developed at all. A very beautiful gem crystal of Sphalerite accompanies them, all on a matrix of Quartz. Size:4 x 3.8 x 4 cm |
| © fabreminerals.com | Photo ID: 56184 View Count: 243 |
Calcite : CaCO3 | |
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Kangjiawan Pb-Zn-Ag-Au deposit, Shuikoushan ore field, Changning Co., Hengyang Prefecture, Hunan Province, China A bizarre and striking calcite specimen! These rhombohedral crystals, to 3 cm, grew to a certain size - then were coated with hematite - then later, began growing again, but selectively on the faces, so that on some areas there is a glassy, thin sheet over the hematite phantom inside, and on others, the hematite-coated inner crystal is exposed. ... |
| © Rob Lavinsky | Photo ID: 59263 View Count: 220 |
Calcite : CaCO3, Hematite : Fe2O3 | |
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Kangjiawan Pb-Zn-Ag-Au deposit, Shuikoushan ore field, Changning Co., Hengyang Prefecture, Hunan Province, China A modified rhomb of Calcite on more Calcite. What's interesting about this specimen is the pearl-like sheen and the phantoms of red Hematite. The back and sides of the crystal are incomplete where previous growth was completely covered by Hematite. 12 cm. Purchased at 2006 MAGMA show. |
| © J. Wingard | Photo ID: 71398 View Count: 217 |
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