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

«Red fox agate» from Patagonia, Argentina

Midge included in amber from the Baltic coast, polarised light

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

Spinel crystal in dolomite marble, Burma

Stress fissure («sun spangle») in baltic amber

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

Dendrites in agate

Two-phase inclusions in sapphire, Sri Lanka