Hyalite Opal (Opal-AN) ("Blood Vessel Opal") Julia Fisk The termination on the above

The termination on the above specimen is very sharp and highly lustrous

The main crystal is very sharp and lustrous with smooth

Specimen# CO712B77

This piece came out in the early 1980’s when there was a large find of some superb Stibnites from this mine

especially such fine quality specimens like this one

Hyalite Opal (Opal-AN) ("Blood Vessel Opal") Julia Fisk The termination on the aboveThis "Round Brilliant" cut Hyalite Opal gem is translucent with a golden to orange to colorless interior, but the most important aspect of the piece is the fact that it shows tiny red capillary like inclusions of iron oxide just below the surface, which has given this material the nickname "Blood Vessel Opal". If you look closely you can see the tiny fibrous inclusions that have an almost organic appearance. This is truly unique and interesting Opal