Opal-AN (Hyalite Opal) with Carbonate-rich Fluorapatite (var: Staffelite) Camp Bird 1 cm sitting nicely on

1 cm sitting nicely on the underlying host rock matrix

The stone is VERY very slightly included

Specimen # PAKAFGM51301

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

Specimen #BURMA22101

Opal-AN (Hyalite Opal) with Carbonate-rich Fluorapatite (var: Staffelite) Camp Bird 1 cm sitting nicely onWhen 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