Why epoxy-filled emeralds must be accepted
Why epoxy-filled emeralds must be accepted. Published i […]
Glassy fillings: a loupe just isn’t enough
Glassy fillings: a loupe just isn’t enough. Publi […]
Filled emeralds: please face reality
Filled emeralds: please face reality. Published in ICA […]
New fracture-filling materials have replaced oil
New fracture-filling materials have replaced oil. Publi […]
Identifications des fissures traitées
Identifications des fissures traitées. Published in Rev […]
Identification of fissure-treated gemstones
Identification of fissure-treated gemstones. Published […]
Erkennung von Edelsteinen mit behandelten Rissen
Erkennung von Edelsteinen mit behandelten Rissen. Publi […]
Wenn es ein Ölfeld im Garten gibt
Wenn es ein Ölfeld im Garten gibt. Published in Schweiz […]
Lorsqu’il y a de l’huile dans le jardin
Lorsqu’il y a de l’huile dans le jardin. Pu […]
Origin of the cat’s eye effect in heat-treated zircons from Sri Lanka
Origin of the cat’s eye effect in heat-treated zi […]