Inclusions of gilalite aggregates in rock crystal from Brazil

Agate from Reichweiler, Germany

Fluid inclusions containing mica and quartz, in aquamarine from Pakistan

Inclusions of hematite in feldspar (sunstone), India

Inclusion of apatite in ruby from Tanzania

Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

«Red fox agate» from Patagonia, Argentina

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