Diogemite NWA 7831 - Mineral gemstone Stone Type: Tanzanite

Stone Type: Tanzanite

and calcite can be found in different areas throughout the province

dramatic surface packed with sharp calcite points and scattered metallic pyrite

enhance focus

gradually depositing hydrated silica in voids

Diogemite NWA 7831 - Mineral gemstone Stone Type: TanzaniteMined from: Western Sahara Description: NWA 7831 is a diogenite meteorite recovered from the Western Sahara, representing material from the deep crust of asteroid 4 Vesta. Diogenites are part of the HED (howarditeeucritediogenite) group and are composed primarily of coarse grained orthopyroxene, formed in slow cooling magmatic environments beneath the surface of their parent body. This gives them a more crystalline, granular texture compared to