Stress fissure («sun spangle») in baltic amber

Inclusions of gilalite aggregates in rock crystal from Brazil

Two-Phase inclusions and rutile needles in rock crystal from Brazil

Inclusion of apatite in ruby from Tanzania

«Red fox agate» from Patagonia, Argentina

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

Inclusions of fossil plant debris in opal from Wollo, Ethiopia

Midge included in amber from the Baltic coast, polarised light

Agate from Anzi, Maroc