Fire opal, Mexico
Fire opal, Mexico
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania
Inclusion of apatite in ruby from Tanzania
Inclusion of apatite in ruby from Tanzania
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
 
 

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