Jewelry and collector gems
Zircon
Natural zircon - not cubic zirconia
- Natural Zircon (not Cubic Zirconia)
Zircon is natural zircon - not cubic zirconia. Learn its identifying features, lookalikes, recognized sources, care, treatments, and responsible modern associations.
Material identity
At a glance
- Identity
- Mineral species
- Composition
- ZrSiO4
- Mohs hardness
- 6-7.5
- Crystal form or structure
- Tetragonal
- Recognized sources
- Cambodia / Sri Lanka / Myanmar / Tanzania / Australia - notable sources
Recognized sources provide geographic and market context. Appearance alone cannot establish the origin of an individual specimen.
Beginner identification
How to identify Zircon
Real material comparison
Reference gallery
Use these credited photographs to compare natural variation. No photograph can authenticate an unknown specimen by itself.
Lookalikes
Commonly confused with
Market context
Treatments and imitations
Observation guide
What to check
Use visual checks to ask better questions, not to replace qualified testing when identity, treatment, value, or origin is consequential.
Practical handling
Care and safety
Responsible buying
Ethics and sourcing
The material story
A short story about Zircon
References
Sources
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GIA Gem Encyclopedia — Gemological Institute of America
Major gem identity, formation, properties, and gemological context.
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GIA Gem Treatments — Gemological Institute of America
Treatment vocabulary, disclosure, and market relevance.
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How GIA Identifies Colored Stones — Gemological Institute of America
Testing limits and the role of qualified laboratory identification.
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IMA Database of Mineral Properties — International Mineralogical Association
Official context for accepted mineral names, formulas, status, and the IMA mineral database.
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Mindat — Hudson Institute of Mineralogy
Mineral identity, localities, habits, associations, and documented specimen context.
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CIBJO Blue Books — World Jewellery Confederation
Trade terminology, treatment language, and disclosure frameworks.
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Wikimedia Commons file records — Wikimedia Foundation and individual contributors
Image provenance, authorship, license terms, and source-file records.
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