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

Midge included in amber from the Baltic coast, polarised light

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

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

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Colour zoning in ruby from Mong-Shu, Burma

Stress fissure («sun spangle») in baltic amber

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

Dumortierite in rock crystal, Brazil, polarised light