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Columbia mine, Marion, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky, USA
Rock with decomposed sphalerite containing fluorite coated with greenockite in crusts and minute crystals. Alan Goldstein specimen (4446) and photo. Collected April 1, 2006. |
| © Alan Goldstein | Photo ID: 68010 View Count: 365 |
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Columbia mine, Marion, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky, USA
Small crystals of greenockite on fluorite. They were not visible between the crystalline fluorite before specimen was split. Collected April 1,2006. Alan Goldstein specimen (4446) and photo. FOV = 1 cm |
| © Alan Goldstein | Photo ID: 78040 View Count: 269 |
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Columbia mine, Marion, Illinois - Kentucky Fluorspar District, Crittenden Co., Kentucky, USA
Greenockite-coated calcite crystal from a large boulder found on the dump with patches of this material (which is pretty rare). Alan Goldstein specimen (A173) and photo. Crystal is about 5 mm long. |
| © Alan Goldstein | Photo ID: 145548 View Count: 149 |