Sphalerite Galena Pyrite Calcite Quartz - Specimen smoky crystal point Description: These 220 grit Dental

Description: These 220 grit Dental grade diamond plated grinding burrs will run very true

These specimens are especially associated with the Red River Floodway near Winnipeg

It is a specimen with a quiet kind of elegance

The surrounding rocks shimmer with subtle hues

finely defined outline

Sphalerite Galena Pyrite Calcite Quartz - Specimen smoky crystal point Description: These 220 grit DentalMined 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