Agate from Anzi, Maroc
Agate from Anzi, Maroc
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 and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Fire opal, Mexico
Fire opal, Mexico
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania