Midge included in amber from the Baltic coast, polarised light

Bubbles and swirls in moldavite (natural glass)

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

Fluid inclusions in quartz with bituminous daughter minerals, China

Partially etched diamond crystal

Dendrites in agate

Inclusions of hematite in feldspar (sunstone), India

Agate from Anzi, Maroc

«Red fox agate» from Patagonia, Argentina