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

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

Dendrites in agate

Inclusion of apatite in ruby from Tanzania

Inclusions of hematite in aquamarine, Tanzania

Two-phase inclusions in tourmaline from Namibia

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

Twin-crystal of chrysoberyl

Partially etched diamond crystal