Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Dendrites in agate
Dendrites in agate
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light