Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) sheet colorless prismatic hexagonal Quartz crystal

colorless prismatic hexagonal Quartz crystal with minor green Clinochlore "Chlorite" inclusions at the base

and these particular pieces are some of my favorite Rhodochrosite specimens from Colorado

The Ludlamite “ball” on this piece is virtually undamaged and has a pleasing rich green color with good luster and translucence

I have only seen a handful of these specimens on the market

save the tiniest of “Wilbers” on the edge

Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) sheet colorless prismatic hexagonal Quartz crystalA beautiful stacked curled group of glassy tightly intergrown beads of gemmy brilliant orange color Blood Vessel Opal from this newly discovered locality. A wonderful thumbnail with excellent form and color. The strong orange hue is caused by inclusions of iron oxide, which have left small lines near the surface, creating the capillaries or blood vessels from which this material gets its nickname. At the beginning of 2016, a friend of ours started