2.2" Sphalerite "Flower" Clusters and Marcasite Association - Missouri

This beautiful specimen contains an association of a deep red sphalerite "flower" crystal clusters on an iridescent marcasite crystal druze. It comes from the Washington County Aggregates Quarry in the Potosi Barite District of Missouri. It comes with an acrylic display stand.

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 & Marcasite
LOCATION
Washington County Aggregates Quarry, Potosi Barite District, Washington County, Missouri
SIZE
2.2 x 2.2"
CATEGORY
ITEM
#96368