Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

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

Inclusions of hematite in feldspar (sunstone), India

Colour zoning in ruby from Mong-Shu, Burma

Spinel crystal in dolomite marble, Burma

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

Inclusion of apatite in ruby from Tanzania

«Red fox agate» from Patagonia, Argentina

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