Calcite with Goethite after Pyrite
specimen number:
3921204
location:
Lafarge quarry, Buffalo, Scott Co., Iowa, USA
description:
Wonderful example for this locality with colorless translucent scalenohedral calcite crystals to 2.0 cm in size on a matrix covered by sparkling crystals of what were once pyrite now replaced by goethite. This is in really good condition.
Size: 10.0 x 6.0 x 4.0 cm (cabinet)
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Related by Mineral (Calcite):
Calcite — Mexico
Origin: July Pocket, Rodeo, Durango, Mexico
Number: (9273082)
Size: 5.5 x 5.5 x 2.0 cm (miniature)
Calcite — Illinois
Origin: Minerva Mine #1, Hardin Co., Illinois, USA
Number: (2013104)
Size: 12.5 x 10.0 x 8.0 cm (cabinet)
Calcite — China
Origin: Tien Shan mine, Caoxi, Longyan, Fujian, China
Number: (9507002)
Size: 17.0 x 12.0 x 9.0 cm (large-cabinet)

