Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Agate from Anzi, Maroc
Agate from Anzi, Maroc
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Dendrites in agate
Dendrites in agate