Tri State Disctrict, Joplin, Missouri

2.8 x 2.2 x 2 cm
1.1 x 0.9 x 0.8 in

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Ex. A. Neely, 1960s

Triangular faced Chalcopyrite crystals which have grown epitaxially on Rubyjack Sphalerite. Additionally, there is a cluster of elongated Marcasite crystals arising from the Sphalerite. The Chalcopyrite has a bit of reddish iridescence in places the Sphalerite has small areas of blue iridescence.

Condition: Good

Flaws: Two of the Marcasite crystals are incomplete.

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