Two-phase inclusion in amethyst, Brazil
Two-phase inclusion in amethyst, Brazil
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Dendrites in agate
Dendrites in agate
Two-phase inclusions in sapphire, Sri Lanka
Two-phase inclusions in sapphire, Sri Lanka