Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
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
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka
Fluid inclusions in quartz with bituminous daughter minerals, China
Fluid inclusions in quartz with bituminous daughter minerals, China
Fire opal, Mexico
Fire opal, Mexico
Inclusions of hematite in feldspar (sunstone), India
Inclusions of hematite in feldspar (sunstone), India
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany