Inclusions of hematite in feldspar (sunstone), India

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

Fluid inclusions in quartz with bituminous daughter minerals, China

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

Midge included in amber from the Baltic coast, polarised light

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

Inclusion of apatite in ruby from Tanzania

Two-phase inclusion in amethyst, Brazil

«Red fox agate» from Patagonia, Argentina