Sphalerite Galena Pyrite Calcite Quartz - Specimen leopardskin jasper Obi Island

Obi Island

accented by a natural dusting of brassy pyrite microcrystals across their surfaces

and the quartz and calcite add associations of clarity

with a mix of larger terminated crystals and smaller sparkling druzy growth across the surface

where slow cooling of granitic magma allowed large crystals to develop in stages

Sphalerite Galena Pyrite Calcite Quartz - Specimen leopardskin jasper Obi IslandMined 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