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Type :
  • Ruby
  • Sapphire
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  • Spinel
  • Chrysoberyl
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Origin :
  • Burma
  • Mozambique
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  • Afghanistan
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Enhancement :
  • Unheated
  • Heat
  • Coating
  • Glass filling
  • Dyed
  • Other
  • Distinctly recognizable jagged three-phase inclusion in an emerald from Muzo, Colombia
  • Distinctly recognizable jagged three-phase inclusion in an emerald from Colombia
  • Three-Phase Inclusions in Afghan Emerald
  • Resin filled in an emerald from Colombia

Colored Gemstone Research Laboratory


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