Midge included in amber from the Baltic coast, polarised light

Inclusions of hematite in aquamarine, Tanzania

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Dumortierite in rock crystal, Brazil, polarised light

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

Two-phase inclusions in sapphire, Sri Lanka

Two-phase inclusion in amethyst, Brazil

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

Structure in a healing fissure in topaz from Brazil