Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Partially etched diamond crystal
Partially etched diamond crystal
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Dendrites in agate
Dendrites in agate
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina