208g Lazurite ps. Phlogopite on Calcite with Pyrite | Afghanistan rings The stone originates from Afghanistan

The stone originates from Afghanistan

Condition: Excellent (EX)

making Brazilian amethyst the global standard for facet-grade material

If you are looking for a Ruby stone with a Princess cut

which is common in field specimens

208g Lazurite ps. Phlogopite on Calcite with Pyrite | Afghanistan rings The stone originates from AfghanistanThis is a single mineral specimen has lazurite crystals that have pseudomorphed after phlogopite, set on a white calcite matrix with associated pyrite. The piece is mined in Ladjuar Medam, Sar e Sang in Badakhshan, Afghanistan. Specimen Details Mineral: Lazurite (pseudomorph after Phlogopite) on Calcite Formula: Na7Ca(Al6Si6O24)(SO4)(S3)H2O Associated Minerals: Pyrite (golden metallic patches visible on matrix) Locality: Ladjuar Medam, Sar e Sang,