Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions in quartz with bituminous daughter minerals, China
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Dendrites in agate
Dendrites in agate
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
Partially etched diamond crystal
Partially etched diamond crystal