Tags: Chemical Substance, Mineral.
Emmonsite also known as durdenite is an iron tellurite mineral with the formula: Fe2(TeO3)3·2(H2O). Emmonsite forms triclinic crystals. It is of a yellowish-green color with a vitreous lustre and a hardness of 5 on the Moh scale.Emmonsite was first described in 1885 for an occurrence in the Tombstone District Cochise County Arizona.
