Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil