Recently, our reliable friends have sent us ten samples consisting of Indonesian Opal material before and after heavily treated. Normally,… Read more ALERT: New opal treatment; Dyed and colorless resin by Adam Harits, G.G (GRILab)

Recently, our reliable friends have sent us ten samples consisting of Indonesian Opal material before and after heavily treated. Normally,… Read more ALERT: New opal treatment; Dyed and colorless resin by Adam Harits, G.G (GRILab)