Two-phase inclusions in tourmaline from Namibia
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Fluid inclusions in quartz with bituminous daughter minerals, China
Colour zoning in ruby from Mong-Shu, Burma
Spinel crystal in dolomite marble, Burma
Inclusions of gilalite aggregates in rock crystal from Brazil
Partially etched diamond crystal

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