Sphalerite Galena Pyrite Calcite Quartz - Specimen spiritual stones The material is often found

The material is often found in basaltic lava flows

recognized as one of the two types of true jade (the other being nephrite)

finished display look

Vivianite is named after British mineralogist John Henry Vivian

blocky feldspar matrix

Sphalerite Galena Pyrite Calcite Quartz - Specimen spiritual stones The material is often foundMined from: Madan mining district, Bulgaria Description: This one of a kind Sphalerite, Galena, Pyrite, Calcite, and Quartz mineral specimen from Bulgaria features a striking contrast of dark metallic crystals and bright, glassy crystal sprays. The base is dominated by lustrous black to charcoal gray sphalerite and galena, with small golden pyrite accents scattered across the surface. Rising from the darker matrix are delicate, transparent quartz