Mineral Specimen #2787 Polydymite Included in Twinned Calcite
Gray's Quarry, Hamilton, Hnacock Co., Illinois
3.2 x 3 x 1.7 cm
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Ex. William Sanborn, Ex. Steve Pullman, Ex. Kristalle
Ni2+Ni3+2S4
This specimen consists of a mass of twinned Calcite crystals. The crystals have a high luster. Within the Calcite, there are small inclusions of the rare nickel sulfide, Polydymite. The specimen is in very good condition with no appreciable damage.
This mineral is also found in the following galleries: Minerals From the United States | Sulfides and Sulfosalts | Rare Minerals | Minerals Priced Between 25 and 49 Dollars
