Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Partially etched diamond crystal

Dendrites in agate

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

Two-phase inclusions in tourmaline from Namibia

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

Inclusion of apatite in ruby from Tanzania

Fluid inclusions in quartz with bituminous daughter minerals, China

Inclusions of gilalite aggregates in rock crystal from Brazil