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Gypsum : Ca[SO4] · 2H2O |
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Cabernardi Mine, Cabernardi, Sassoferrato, Ancona Province, Marche, Italy
Gypsum, 10cm by 11cm. Joseph Polityka collection. Formerly in the collection of Arthur Montgomery, Richard Bideaux, Bill Smith collections, from Dave Bunk April 2000. |
| © Joseph Polityka | Photo ID: 266678 View Count: 11 |
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Cabernardi Mine, Cabernardi, Sassoferrato, Ancona Province, Marche, Italy
Large cluster of translucent sulfur crystals up to 2 cm with minor black bitumen in areas. The matrix appears to be translucent brown calcite with etched, cavernous growth patterns. From a rare, old locality. Originally acquired in 1960 from S. Williams. Ex. Dr. E. Sensel collection #R33. Overall size of mineral specimen: 10x8x7 cm. Size of ... |
| © 2002 John H. Betts | Photo ID: 4055 View Count: 572 |