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Schweizerische Gemmologische Gesellschaft
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Two-phase inclusions in sapphire, Sri Lanka
Inclusions of hematite in feldspar (sunstone), India
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Two-phase inclusions in tourmaline from Namibia
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Spinel crystal in dolomite marble, Burma
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Fire opal, Mexico

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  • Gemmology
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