Gems
Opal-AN var. Hyalite
Guanajuato, Mexico. Specimen: 1.8 cm. Facet: 3.16 ct. Private coll.
Opal-AN var. Hyalite
Guanajuato, Mexico. Specimen: 1.8 cm. Facet: 3.16 ct. Under SW UV. Private coll.
Laurentthomasite
Beravina, Ambaro, Tsaraitso, Betroka, Anosy, Madagascar. Private coll.