2.1" Sphalerite Crystal Cluster - Eagle Picher Mine, Oklahoma

This is a lustrous cluster of sphalerite crystals that comes from the Eagle Picher Mine of Ottawa County, Oklahoma. The entire specimen measures 2.1" wide.

Sphalerite is a part of the sulfide group and typically exhibits a grey/black appearance due to high concentrations of impurities. In its purest state, sphalerite's chemical composition is ZnS, and can display a gemmy transparent light tan/yellow color. This is one of the few minerals that can form crystals ranging anywhere between gemmy and transparent to opaque and metallic-like. Opaque or cloudy sphalerite tends to be most abundant since iron easily replaces zinc in the process of formation.

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DETAILS
SPECIES
Sphalerite
LOCATION
Eagle Picher Mine, Picher Field, Ottawa Co., Oklahoma
SIZE
2.1 x 1.5"
CATEGORY
ITEM
#176025