Turkish Diaspore An educational gemstone resource by Zultanium
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Turkish Diaspore

An educational gemstone resource by Zultanium

Turkish diaspore is gem-quality colour-change diaspore from Türkiye — the same stone sold under the trade names Zultanite, Csarite, Ottomanite and Turkizite.

Start here Explore the stone
Species
Diaspore
The mineral species
Names
Zultanite, Csarite,
Ottomanite, Turkizite
Origin
Türkiye
West Anatolia — İlbir Mountains
Turkish diaspore in daylight — olive green Daylight Olive Green Candlelight Champagne Rose

Your learning path

Start your journey

01 What Is Turkish Diaspore? Turkish diaspore is gem-quality colour-change diaspore from the İlbir Mountains of Türkiye — the same stone… Read 02 Zultanite vs Diaspore Zultanite is a trade name for gem-quality colour-change diaspore from Türkiye; diaspore is the mineral species.… Read 03 Colour-Change Diaspore Colour-change diaspore shifts from sage-green in daylight to champagne or raspberry-pink under warm light, via the… Read 04 Buying Colour-Change Diaspore To buy colour-change diaspore well: judge strength of colour change, clarity, cut and size, and require… Read 05 Caring for Colour-Change Diaspore Jewellery Colour-change diaspore is 6.5–7 Mohs but has perfect cleavage, so use protected settings, clean only with… Read

Three lenses. One stone.

Understanding Turkish Diaspore

SPECIES

Species

Diaspore is the mineral species — a naturally occurring aluminium oxyhydroxide with remarkable optical behaviour.

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TRADE NAME

Trade Name

Zultanite is the name most widely used in the gem trade today, alongside historical names such as Csarite, Ottomanite and Turkizite.

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ORIGIN

Origin

Mined in Türkiye, where the right geology and skilled craftsmanship bring this exceptional gem to light.

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The magic is optical

Colour-change in natural light

Daylight — olive green
Daylight Daylight
Candlelight — champagne rose
Candlelight Warm light

Turkish diaspore shows a distinctive colour change: soft, natural hues in daylight; warm, rich tones in candlelight.

Learn how it works

Photos are representative. Individual stones vary in tone and intensity.

Foundational knowledge

Featured cornerstone articles

How Turkish Diaspore Changes Colour Why gem-quality Turkish diaspore (Zultanite) shifts from olive green in daylight to champagne-pink in candlelight… Read article What Is Turkish Diaspore? Turkish diaspore is gem-quality colour-change diaspore from the İlbir Mountains of Türkiye — the same stone… Read article Zultanite vs Diaspore Zultanite is a trade name for gem-quality colour-change diaspore from Türkiye; diaspore is the mineral species.… Read article Colour-Change Diaspore Colour-change diaspore shifts from sage-green in daylight to champagne or raspberry-pink under warm light, via the… Read article

Gemstone Glossary

Clear definitions of key gemological terms and concepts.

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Frequently Asked Questions

Answers to common questions about Turkish Diaspore.

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Provenance you can trust

Single Source

Gem-quality diaspore is mined only in Türkiye.

Natural & Untreated

The gemstone is naturally colour-changing.

Educational First

Independent, research-driven content.

Fact Checked

Information reviewed and regularly updated.

About Zultanium

Our relationship

TurkishDiaspore.org is an educational gemstone resource by Zultanium.

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Independent educational resource

Independent and not affiliated with, endorsed by, or authoritative over the Zultanite® or Csarite® trademarks. Trade names are used descriptively.

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