Two-phase inclusions in tourmaline from Namibia
Two-phase inclusions in tourmaline from Namibia
Fire opal, Mexico
Fire opal, Mexico
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Inclusions of fossil plant debris in opal from Wollo, Ethiopia
Agate from Reichweiler, Germany
Agate from Reichweiler, Germany
 
 

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