Twin-crystal of chrysoberyl
Twin-crystal of chrysoberyl
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Epigenetic inclusion (probanly melanterite) in quartz, Brazil, parallel polarisers
Bubbles and swirls in moldavite (natural glass)
Bubbles and swirls in moldavite (natural glass)
Stress fissure («sun spangle») in baltic amber
Stress fissure («sun spangle») in baltic amber
Agate from Anzi, Maroc
Agate from Anzi, Maroc
Partially etched diamond crystal
Partially etched diamond crystal
Dendrites in agate
Dendrites in agate
Fire opal, Mexico
Fire opal, Mexico
 
 

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