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

Two-phase inclusion in amethyst, Brazil

Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light

Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia

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

Partially etched diamond crystal

Fluid inclusions in quartz with bituminous daughter minerals, China

Inclusions of hematite in aquamarine, Tanzania

Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil