Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

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

«Red fox agate» from Patagonia, Argentina

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

Agate from Reichweiler, Germany

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

Bubbles and swirls in moldavite (natural glass)

Structure in a healing fissure in topaz from Brazil

Inclusion of apatite in ruby from Tanzania