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.[1] Turkey is the only place where the mineral can be found.[2]: 154
Depending on its light source, zultanite's color varies between a yellowish green, light gold, and purplish pink.[1] Its color can be pastel green in outdoor light and beige pink in incandescent light.[3]: 105
Zultanite has a hardness of 6.5 to 7.[4]
^ abHatipoğlu, Murat; Türk, Necdet; Chamberlain, Steven C.; Akgün, A. Murat (February 2010). "Gem-quality transparent diaspore (zultanite) in bauxite deposits of the İlbir Mountains, Menderes Massif, SW Turkey". Mineralium Deposita. 45 (2): 201–205. Bibcode:2010MinDe..45..201H. doi:10.1007/s00126-009-0262-2. S2CID 128606419.
^PROCEEDINGS 4th International Congress on "Science and Technology for the Safeguard of Cultural Heritage in the Mediterranean Basin" VOL. II. Angelo Ferrari. ISBN 978-88-96680-32-2.
^Jewelry & Gems - The Buying Guide, 7th Edition. Gemstone Press. 2009. ISBN 978-0-943763-71-2.
^"Zultanite: A Color Changing Stone". Retrieved 2021-11-24.
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. Turkey is the...
allusion to its decrepitation on heating. Csarite, ottomanite, Turkizite and zultanite are trade names for gem-quality diaspore (also known as Turkish diaspore)...
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