| AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from California > Hydrocarbon on Calcite with Quartz |
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| DESCRIPTION: | No. 51145 |
| Mineral: | Hydrocarbon on Calcite with Quartz |
| Locality: | New Almaden Mine, 600' level, Santa Teresa Hills, Santa Clara County, California |
| Description: | One face of matrix completely covered with flattened disc-like translucent calcite crystals to 8 mm with oily black hydrocarbon coating on and between the calcite crystals. Small 1 mm quartz crystals are visible between some calcite crystals. Ex. Peter B. Nalle (1923-2010) collection #291; collected when Nalle worked at mine in 1942 |
| Overall Size: | 10x5.5x4.5 cm |
| Crystals: | 1-8 mm |
| Archived: | For reference only |
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