Diogemite NWA 7831 - Mineral gemstone Material: Wood

Material: Wood

Stone Type: Tanzanite

Description: This fluorite specimen comes from the Xianghualing Mine in Hunan

gradually depositing hydrated silica in voids

and calcite can be found in different areas throughout the province

Diogemite NWA 7831 - Mineral gemstone Material: WoodMined 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