This Specimen has been sold.
1.4" Rough Red Almandine Garnet - China
This a rough natural Almandine Garnet from the Altay Mine in Autonomous Region, China. Chemically, almandine is an iron-aluminium garnet with the formula Fe3Al2(SiO4)3. The deep red transparent stones are often called precious garnet and are used as gemstones. In traditional and petrological use the name 'garnet' usually refers to these six minerals: Almandine, Pyrope, Spessartine, Andradite, Grossular, Uvarovite.