208g Lazurite ps. Phlogopite on Calcite with Pyrite | Afghanistan lapsilazuli or crystal collecting or making

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These emeralds are 100% natural with no treatment

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208g Lazurite ps. Phlogopite on Calcite with Pyrite | Afghanistan lapsilazuli or crystal collecting or makingThis 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,