Bubbles and swirls in moldavite (natural glass)
Fluid inclusions in quartz with bituminous daughter minerals, China
«Red fox agate» from Patagonia, Argentina
Colour zoning in ruby from Mong-Shu, Burma
Two-phase inclusions in sapphire, Sri Lanka
Twin-crystal of chrysoberyl
Midge included in amber from the Baltic coast, polarised light
Inclusions of hematite in feldspar (sunstone), India
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Dumortierite in rock crystal, Brazil, polarised light
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