Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina