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.

[2] Turkey is the only place where the gem quality material has been found,[3]: 154  and at the Ilbir Dağ deposit it has been "formed in open spaces by hydrothermal remobilization of bauxite components".

[1] The gem quality material was first discovered in the early 1980s.

[5] Depending on its light source, zultanite's color varies between a yellowish green, light gold, and purplish pink.

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