didier frediani est negociant en pierres precieuses, gemmologue. nos voyages nous permettent de trouver regulierement le plus belles gemmes pour repondre aux demandes de nos 1500 c ...
Bestcrystals.com is the online Rock Shop of hundreds of crystals, minerals, fossils from around the world, from $1 to grade 'A'specimens. Secure ordering and world-wide shipping. Q ...
The Spectrum Network is a website dedicated to Colored Gemstones, Gemological Information and is the home of the famous interactive Gem, Mineral and Jewelry Show Calendar. Our inte ...