Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
Inclusions of rock crystal and rutile needles in quartz, Brazil, polarised light
«Red fox agate» from Patagonia, Argentina
«Red fox agate» from Patagonia, Argentina
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Midge included in amber from the Baltic coast, polarised light
Midge included in amber from the Baltic coast, polarised light
Colour zoning in ruby from Mong-Shu, Burma
Colour zoning in ruby from Mong-Shu, Burma
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Inclusions of chrysotile fibres in demantoide garnet from Ural Mountains, Russia
Fire opal, Mexico
Fire opal, Mexico
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
 
 

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Società Gemmologica Svizzera
Segretariato : Antoinette Starkey
T. +41 22 735 22 66
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