Midge included in amber from the Baltic coast, polarised light

Stress fissure («sun spangle») in baltic amber

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

Dumortierite in rock crystal, Brazil, polarised light

Fluid inclusions in quartz with bituminous daughter minerals, China

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

Fire opal, Mexico

Twin-crystal of chrysoberyl

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan