Midge included in amber from the Baltic coast, polarised light
Inclusion of apatite in ruby from Tanzania
Partially etched diamond crystal
Fire opal, Mexico
Agate from Reichweiler, Germany
Two-phase inclusions in sapphire, Sri Lanka
Stress fissure («sun spangle») in baltic amber
Inclusions of hematite in aquamarine, Tanzania

Area riservata

Settore riservato ai membri/soci