Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Fluid inclusions in quartz with bituminous daughter minerals, China

Inclusions of hematite in aquamarine, Tanzania

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

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

Twin-crystal of chrysoberyl

«Red fox agate» from Patagonia, Argentina

Natural etching structure on a crystal face of diamond (trigons), polarised light

Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia