Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania

Midge included in amber from the Baltic coast, polarised light

Fluid inclusions in quartz with bituminous daughter minerals, China

Inclusion of apatite in ruby from Tanzania

Two-phase inclusions in tourmaline from Namibia

Two-Phase inclusions and rutile needles in rock crystal from Brazil

Natural etching structure on a crystal face of diamond (trigons), polarised light

Two-phase inclusions in sapphire, Sri Lanka

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