1ere Conférence du LFG
La Révolution des Perles
LEAD GLASS TRAPICHE RUBIES
Since 2004, treating corundum (primarily rubies) by filling fractures with lead glass has continued to develop.
Dernières connaissances en matière de luminescence des gemmes
Gems & Gemology, Vol 47, n°2, Summer 2011
Pinctada Margaritifera Cultured Pearl with Baroque-Shaped Nucleus
G & G January 10, 2013 Volume 4, No. 4
SYNTHETIC CORUNDUM SCULPTED TO IMITATE NATURAL CORUNDUM
Those who frequently travel to gem deposits to buy rough stones quickly come to understand that a sword of Damocles hangs over them…