Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Partially etched diamond crystal
Partially etched diamond crystal
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Fire opal, Mexico
Fire opal, Mexico
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil