Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) Hopeite colorless hexagonal prisms of Quartz

colorless hexagonal prisms of Quartz included with rarely seen beautiful pistachio green Epidote “needles”

silvery bladed crystal of metallic Bournonite on iron-stained micro-crystallized Quartz

Specimen # BULG4121

Federico Ahlfeld

Considering the great size

Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) Hopeite colorless hexagonal prisms of QuartzA thumbnail sized specimen of spherical bead like Hyalite Opal with strong orange coloring caused by inclusions of iron oxide. The material has been nicknamed Blood Vessel Opal due to the thin lines created by the inclusions near the surface of the spheres. Though lustrous and gemmy, the piece does have a bit of damage on both sides, hence the reduced price. At the beginning of 2016, a friend of ours started working a claim with a few of the locals in