Topic
History
History entries on Zultpedia document the chronology of color-change diaspore: René Just Haüy’s 1801 first description of diaspore as a mineral species, the late-20th-century discovery of gem-quality material in southwestern Türkiye, the early-2000s commercial development, and the trademark and naming history.
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Gem Article
Mining Conditions at the İlbir Mountains — Zultanite Source Geology
Gem-quality color-change diaspore is mined in the İlbir Mountains of Muğla Province, southwestern Türkiye. The mining operation is small-scale and selective: rough is hand-picked from metamorphic pockets within bauxite-derived deposits, then transported…
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Gem Article
The Anatolian Heritage of Zultanite — Names, Geography, Diaspore Source
The cultural framing of Zultanite ties the gem to Anatolian heritage through three deliberate signals: the trade names (Zultanite from "sultan", Ottomanite from the Ottoman empire, Csarite from "tsar"), the source mountain…
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Glossary Term
Diaspeírō
Diaspeírō (διασπείρω) is an Ancient Greek verb meaning to scatter or to disperse. It is the etymological root of the mineral name diaspore, given by René Just Haüy in 1801. The reference…
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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…