Freieslebenite

specimen number:
2133133

location:
Himmelsfahrt Mine, Freiberg, Saxony, Germany

description:
Bright metallic crystals of this rare mineral to 0.5 cm in size on a crystallized quartz matrix. Minor damage present, the prominent crystals are in good condition.

The Himmelsfahrt Mine in Freiberg, Saxony, Germany, is part of the historic Freiberg mining district that has been worked since the Middle Ages for silver and base metals. The mine was developed through extensive underground workings following hydrothermal veins hosted in metamorphic rocks and became one of the important producers in the region. The district is also famous for its mineral diversity. Freieslebenite, a silver lead antimony sulfosalt, occurs at Himmelsfahrt as metallic gray crystals and masses associated with other silver minerals, and specimens from this locality are valued for their classic occurrence in this well known European mining district.

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