Partially etched diamond crystal
Partially etched diamond crystal
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
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
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia