Fire opal, Mexico
Fire opal, Mexico
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
Inclusions of anatase crystal and rutile fibres in rock crystal from Brazil
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Inclusions of gilalite aggregates in rock crystal from Brazil
Inclusions of gilalite aggregates in rock crystal from Brazil
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Spinel crystal in dolomite marble, Burma
Spinel crystal in dolomite marble, Burma
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Structure in a healing fissure in topaz from Brazil
Structure in a healing fissure in topaz from Brazil
 
 

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