Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) metamorphic with an undamaged termination and

with an undamaged termination and superior luster on all faces

the piece is essentially damage free and is an aesthetic representative specimen from this classic discovery

On the back and bottom of the specimen

The base of the Goethite “stem” can be seen protruding from the underside of the specimen

a very attractive example of these showy and interesting specimens

Opal (var: Opal-AN) / (var: Hyalite Opal) (“Blood Vessel Opal”) metamorphic with an undamaged termination andOne of the most lustrous pieces in the update. Highly glassy beads of gemmy, orange to nearly colorless Hyalite Blood Vessel Opal from this new find in San Luis Potosi, Mexico. The inclusions are created by iron oxide and give the piece wonderfully strong red orange coloration and thin capillary like lines where the nickname Blood Vessel Opal comes from. A tiny bit of attached matrix makes for a great overall piece, and a worthwhile pickup for anybody