Inclusions of hematite in aquamarine, Tanzania

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

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

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

Bubbles and swirls in moldavite (natural glass)

Two-phase inclusions in sapphire, Sri Lanka

Spinel crystal in dolomite marble, Burma

Inclusions of gilalite aggregates in rock crystal from Brazil

Partially etched diamond crystal