Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Inclusions of rutile (dark crystal and fine needles) and clusters of zircon grains in umbalite garnet, Tanzania
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Fluid inclusions containing mica and quartz, in aquamarine from Pakistan
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma