«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Partially etched diamond crystal
Partially etched diamond crystal
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Natural etching structure on a crystal face of diamond (trigons), polarised light
Natural etching structure on a crystal face of diamond (trigons), polarised light
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of hematite in aquamarine, Tanzania
Inclusions of hematite in aquamarine, Tanzania
Dendrites in agate
Dendrites in agate
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
 
 

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