Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
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
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Two-Phase inclusions and rutile needles in rock crystal from Brazil
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Dumortierite in rock crystal, Brazil, polarised light
Dumortierite in rock crystal, Brazil, polarised light
 
 

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