AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Illinois > Polydymite in Calcite |
DESCRIPTION: | No. 76038 |
Mineral: | Polydymite in Calcite |
Locality: | Gray's Quarry, Hamilton, Hancock County, Illinois |
Description: | Twisted and curved dark hair-like polydymite crystals to 5 mm in transparent calcite cleavage. Many polydymite crystals are visible when viewed under magnification and illuminated from the rear. |
Overall Size: | 22x10x8 mm |
Crystals: | 1-5 mm |
Archived: | For reference only |
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