1.85" Chalcopyrite Specimen - Missouri

This is a multi-colored, metallic specimen of Chalcopyrite from the Sweetwater Mine in Missouri.

Chalcopyrite is a brass-yellow colored mineral and an important copper ore. When weathered, chalcopyrite loses its metallic luster, turning a gray-green color. When exposed to acids, the tarnish can develop a red, blue, or purple iridescence: this acid-treated material is often sold under the name peacock ore.
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DETAILS
SPECIES
Chalcopyrite
LOCATION
Sweetwater Mine, Reynolds County, Missouri
SIZE
1.85" wide
CATEGORY
ITEM
#35098