Dendrites in agate
Dendrites in agate
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
Partially etched diamond crystal
Partially etched diamond crystal
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Fire opal, Mexico
Fire opal, Mexico
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber