Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
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 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
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania