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MIDWESTERN US MINERALS > CHALCOPYRITE / SPHALERITE / Dolomite - Missouri
CHALCOPYRITE / SPHALERITE / Dolomite - Missouri

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Price: $300.00
Availability: in stock
Prod. Code: 2151

Fascinating specimen consisting of a huge roughly cubic sphalerite crystal almost completely covered in epitaxial chalcopyrite crystals.  The chalcopyrite is partly iridescent and gives a "shimmering" effect when viewed from different angles.  Has a small patch of buff colored dolomite crystals on cherty limestone matrix at the base.  An old piece from the Joplin District in Missouri.  Measures 7 x 8 x 6 inches (17.8 x 20.3 x 15.2 cm).  Weighs 16 pounds.  No damage.