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1.35" Chalcopyrite & Galena Specimen - Missouri
This is a specimen of Chalcopyrite & Galena from the Sweetwater Mine in Missouri.
Galena is the natural mineral form of lead sulfide. It is the most important ore of lead and an important source of silver. Galena is also one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic system often showing octahedral forms. It is often associated with the minerals sphalerite, calcite and fluorite.
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.
Galena is the natural mineral form of lead sulfide. It is the most important ore of lead and an important source of silver. Galena is also one of the most abundant and widely distributed sulfide minerals. It crystallizes in the cubic system often showing octahedral forms. It is often associated with the minerals sphalerite, calcite and fluorite.
SPECIES
Chalcopyrite & Galena
LOCATION
Sweetwater Mine, Reynolds County, Missouri
SIZE
1.35x1.08x.82"
CATEGORY
ITEM
#35096
