AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Muscovite with Magnetite inclusions (Graphic Mica) |
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DESCRIPTION: | No. 52423 |
Mineral: | Muscovite with Magnetite inclusions (Graphic Mica) |
Locality: | Swayne's Farm, Fairville, Chester County, Pennsylvania |
Description: | Thin sheet crystal of transparent muscovite mica with dark magnetite inclusions that follow the 60° orientation of the muscovite crystal, also known as graphic mica. Ex. Peter B. Nalle (1923-2010) collection #231b |
Overall Size: | 7.5x5.5 cm |
Crystals: | |
Archived: | For reference only |
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