Topic
Cultural
Cultural entries on Zultpedia document the Anatolian heritage of the İlbir Mountains source region, the Ottoman-era naming conventions reflected in the trade names (Zultanite, Csarite, Ottomanite, Turkizite), and the position of color-change diaspore within Anatolian gem heritage.
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Birthstone
October Birthstones — Modern, Traditional, and Where Zultanite Fits
The modern birthstones for October are opal and tourmaline; traditional listings name opal and aquamarine. October covers Libra (until October 22) and Scorpio (from October 23). Zultanite is not an official October…
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Birthstone
November Birthstones — Modern, Traditional, and Where Zultanite Fits
The modern birthstones for November are topaz and citrine; traditional listings name topaz and pearl. November covers Scorpio (until November 21) and Sagittarius (from November 22). Zultanite is not an official November…
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Gem Article
The İlbir Mountains — The Single-Source Origin of Color-Change Diaspore
The İlbir Mountains, in Muğla Province on Türkiye's southwestern Aegean coast, are the only place on Earth currently producing gem-quality color-change diaspore. The peer-reviewed locality on record is the Pınarcık area near…
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Gem Article
What Is Zultanite? The Color-Change Diaspore from Türkiye
Zultanite is a registered trade name for gem-quality color-change diaspore — α-AlO(OH) — mined exclusively in the İlbir Mountains of southwestern Türkiye. The same material is sold under the parallel trade names…