Two-phase inclusions in sapphire, Sri Lanka

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

Inclusions of gilalite aggregates in rock crystal from Brazil

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

Spinel crystal in dolomite marble, Burma

Stress fissure («sun spangle») in baltic amber

Bubbles and swirls in moldavite (natural glass)

Fluid inclusions in quartz with bituminous daughter minerals, China

Two-phase inclusions in tourmaline from Namibia