Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) Danburite A beautiful crystallized “mound” of

A beautiful crystallized “mound” of off-white color

and better in person

and a good overall specimen of this well-known material

but they share a remarkably similar chemistry

This particular piece is notably more three-dimensional and showier than most I've seen from Bisbee

Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) Danburite A beautiful crystallized “mound” ofA 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. The reverse side of the specimen is contacted, but the unique appearance and coloring makes it fairly priced for the size. At the beginning of 2016, a friend of ours started working a claim with a