Midge included in amber from the Baltic coast, polarised light

Fluid inclusions in quartz with bituminous daughter minerals, China

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

Dumortierite in rock crystal, Brazil, polarised light

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

Agate from Anzi, Maroc

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

Two-phase inclusions in sapphire, Sri Lanka

Two-phase inclusion in amethyst, Brazil