Agate from Anzi, Maroc
Agate from Anzi, Maroc
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, crossed polarisers
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
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