Two-phase inclusions in tourmaline from Namibia

«Red fox agate» from Patagonia, Argentina

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

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Agate from Reichweiler, Germany

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

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

Fire opal, Mexico

Inclusions of hematite in aquamarine, Tanzania