Spinel 0.91 ct tanzanite An unheated yellowish sapphire from

An unheated yellowish sapphire from Madagascar

A fine purple sapphire from Madagascar

cut into a classic cushion

saturated teal sapphire from Madagascar

Spinel 0.91 ct tanzanite An unheated yellowish sapphire fromOnce mistaken for ruby or sapphire, spinel is now rightly celebrated for its exceptional brilliance, vivid color, and impressive durability. With a hardness of 8 on the Mohs scale and excellent toughness, it is well suited for everyday jewelry. Spinel occurs in a wide range of striking huesfrom fiery red and electric pink to cobalt blue and beyondmaking it a captivating alternative to more traditional gemstones. Fine specimens from renowned sources