Dumortierite in rock crystal, Brazil, polarised light

Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers

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

Inclusions of hematite in aquamarine, Tanzania

Agate from Anzi, Maroc

Fluid inclusions in quartz with bituminous daughter minerals, China

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

Inclusions of gilalite aggregates in rock crystal from Brazil

Twin-crystal of chrysoberyl