- Source: Zultanite
Zultanite is a gem variety of the mineral diaspore, mined in the İlbir Mountains of southwest Turkey at an elevation of over 4,000 feet. The mineral's name is a trade name and is equivalent to the trade name Csarite.
Turkey is the only place where the gem quality material has been found,: 154 and at the Ilbir Dağ deposit it has been "formed in open spaces by hydrothermal remobilization of bauxite components". The gem quality material was first discovered in the early 1980s.
Zultanite has a hardness of 6.5 to 7. Depending on its light source, zultanite's color varies between a yellowish green, light gold, and purplish pink. Its color can be pastel green in outdoor light and beige pink in incandescent light.: 105
