Chemistry:Zultanite
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Short description: Gem variety of disaspore
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](p154)
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](p105)
Zultanite has a hardness of 6.5 to 7.[4]
References
- ↑ 1.0 1.1 Hatipoğlu, 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. doi:10.1007/s00126-009-0262-2. Bibcode: 2010MinDe..45..201H.
- ↑ (in en) 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. https://books.google.com/books?id=uuRLHs472RsC&dq=Zultanite&pg=PA154.
- ↑ (in en) Jewelry & Gems - The Buying Guide, 7th Edition. Gemstone Press. 2009. ISBN 978-0-943763-71-2. https://books.google.com/books?id=WUBWz22wRtEC&dq=Zultanite&pg=PA206.
- ↑ "Zultanite: A Color Changing Stone" (in en). https://www.geologyin.com/2020/07/zultanite-color-changing-stone.html.
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