Inclusions of hematite in feldspar (sunstone), India
Inclusions of hematite in feldspar (sunstone), India
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions in quartz with bituminous daughter minerals, China
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fire opal, Mexico
Fire opal, Mexico
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)