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

Agate from Reichweiler, Germany

Inclusion of apatite in ruby from Tanzania

Fluid inclusions in quartz with bituminous daughter minerals, China

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

Partially etched diamond crystal

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Fire opal, Mexico

Two-phase inclusion in amethyst, Brazil