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

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

Twin-crystal of chrysoberyl

Inclusions of gilalite aggregates in rock crystal from Brazil

Two-phase inclusions in tourmaline from Namibia

Inclusion of apatite in ruby from Tanzania

Spinel crystal in dolomite marble, Burma

Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers

Inclusions of fossil plant debris in opal from Wollo, Ethiopia