Fluid inclusions in quartz with bituminous daughter minerals, China

Inclusion of apatite in ruby from Tanzania

Inclusions of hematite in aquamarine, Tanzania

Inclusions of gilalite aggregates in rock crystal from Brazil

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

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

Spinel crystal in dolomite marble, Burma

Colour zoning in ruby from Mong-Shu, Burma

«Red fox agate» from Patagonia, Argentina