Opal-AN (Hyalite Opal) with Carbonate-rich Fluorapatite (var: Staffelite) Camp Bird the noted author and geologist

the noted author and geologist who worked in the San Juan Mountains of Colorado

Stephano Ph

There were very few available

This is one of my favorite species from Bolivia

The stone is VERY very slightly included

Opal-AN (Hyalite Opal) with Carbonate-rich Fluorapatite (var: Staffelite) Camp Bird the noted author and geologistWhen it comes to Hyalite Opal the proper name is Opal (var Opal AN) the specimens from Valec are the most famous in my mind. This material is essentially colorless and resembles lustrous glass beads. The historic old mines are now closed as they lay in a military reservation, and these specimens will never be found again. This beautiful piece features a group of intergrown glistening, colorless, spherical "bead" like nodules of Opal AN which have a