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

Inclusion of apatite in ruby from Tanzania

Colour zoning in ruby from Mong-Shu, Burma

Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

«Red fox agate» from Patagonia, Argentina

Inclusions of gilalite aggregates in rock crystal from Brazil

Inclusions of hematite in aquamarine, Tanzania

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

Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light