AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Pennsylvania > Graphite in Marble (Calcite)

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Graphite in Marble (Calcite) from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

 
Graphite in Marble (Calcite) from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

Graphite in Marble (Calcite) from French Creek Iron Mines, St. Peters, Chester County, Pennsylvania

DESCRIPTION:No. 33304
Mineral:Graphite in Marble (Calcite)
Locality:French Creek Iron Mines, St. Peters, Chester County, Pennsylvania
Description:Metallic crystals of graphite (native carbon) in matrix of white marble that has crystallized into calcite. The graphite crystals are thin, hexagonal form with brilliant surface luster. See article: The French Creek Mine in Mineralogical Record v.25 #2. Ex. Stuart F. Wise collection #65
Overall Size:8x7x2 cm
Crystals:1-5 mm
Status: Sold - Posted here for reference only
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