Inclusion of apatite in ruby from Tanzania

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

Spinel crystal in dolomite marble, Burma

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Colour zoning in ruby from Mong-Shu, Burma

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

Two-phase inclusion in amethyst, Brazil

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

Partially etched diamond crystal