Cave-In-Rock, Hardin Co., Illinois

4.1 x 3.5 x 3.4 cm
1.6 x 1.4 x 1.3 in

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1980s

Small, white colored, translucent Calcite crystals rest on relatively large dark red/brown colored Sphalerite crystals. The Sphalerite has a high resinous luster and a complex surface. There are also small, brassy colored Chalcopyrite crystals and one small, purple Fluorite on the surface of the Sphalerite.

Condition: Fairly Good

Flaws: There is some bruising on the edges of the Sphalerite crystals.

This mineral is also found in the following galleries: Minerals From the United States | Sulfides and Sulfosalts | Calcite | Fluorite | Minerals Priced Between 25 and 49 Dollars