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

Inclusions of hematite in feldspar (sunstone), India

Agate from Anzi, Maroc

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

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

Bubbles and swirls in moldavite (natural glass)

Inclusions of hematite in aquamarine, Tanzania

Inclusion of apatite in ruby from Tanzania

«Red fox agate» from Patagonia, Argentina