Midge included in amber from the Baltic coast, polarised light

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

Inclusions of hematite in aquamarine, Tanzania

Dumortierite in rock crystal, Brazil, polarised light

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

Bubbles and swirls in moldavite (natural glass)

Colour zoning in ruby from Mong-Shu, Burma

Two-phase inclusions in tourmaline from Namibia

Inclusion of apatite in ruby from Tanzania