Spinel crystal in dolomite marble, Burma

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

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

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

«Red fox agate» from Patagonia, Argentina

Inclusion of apatite in ruby from Tanzania

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

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Partially etched diamond crystal