AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Fluorite with Bitumen |
DESCRIPTION: | No. 30120 |
Mineral: | Fluorite with Bitumen |
Locality: | Cave-in-Rock District, Hardin County, Illinois |
Description: | Large plate of transparent yellow fluorite crystals with partial coating of black bitumen (naturally occurring petroleum). Large specimen in good condition - only one crystal has a cleaved corner. The bitumen can be removed with solvents. |
Overall Size: | 21x19x6 cm |
Crystals: | 2-35 mm |
Archived: | For reference only |
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