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

«Red fox agate» from Patagonia, Argentina

Dendrites in agate

Agate from Anzi, Maroc

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Fire opal, Mexico

Two-phase inclusions in sapphire, Sri Lanka

Bubbles and swirls in moldavite (natural glass)

Twin-crystal of chrysoberyl