opalmines.eu
网站标题：	Opal mines | Cervenica-Dubnik
网站简介：	Top internet page dedicated to the only precious opal mines in Europe and probably the oldest mines in the world where the gem had been mined. You will discover with us things which others will surely not tell you about.
关键字：	opal  precious  opal  mines  Cervenica  Libanka  Simonka  Dubnik  Vorosvagas  Opalbanya  matrix  boulder  hydrophane

 

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