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dimanche 19 juillet 2015

Lorsque les minéraux devienent arc en ciel.

Agathes
 
Agates

Quartz
 
Rainbow Aura Quartz; South Africa "Aura Quartz" is an example of an artificially enhanced crystal; in this case the quartz is heated and exposed to a vapor of titanium that bonds to its surface.


Variété de mineraux polis
 
A collection of 850 mineral eggs carved in the renowned gem-cutting center of Idar-Oberstein, Germany.

fluorite

rainrainbow stone mineral crystal

Agathe.
 
Rainbow Opal


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