A type IaB diamond showing a “tatami” strain pattern
A type IaB diamond showing a “tatami” strai […]
A natural yellow diamond with nickel-related optical centers
A natural yellow diamond with nickel-related optical ce […]
Star garnets and star garnet cat’s-eyes from Ambatondrazaka, Madagascar
Star garnets and star garnet cat’s-eyes from Amba […]
Rosa bis rosa-orangefarbene Malaya-Granate aus Bekily, Madagaskar
Rosa bis rosa-orangefarbene Malaya-Granate aus Bekily, […]
Orange topaz with synthetic hematite coating
Orange topaz with synthetic hematite coating. Published […]
Zuchtperlen vom Golf von Kalifornien, Mexiko
Zuchtperlen vom Golf von Kalifornien, Mexiko. Published […]
Russian synthetic moissanite
Russian synthetic moissanite. Published in Geologica, 2 […]
SSEF introduces type II diamond spotter
SSEF introduces type II diamond spotter. Published in R […]
Orange treated sapphire: towards finding a name for a new product
Orange treated sapphire: towards finding a name for a n […]
Eine neue Diffusionsbehandlung liefert orangefarbene und gelbe Saphire
Eine neue Diffusionsbehandlung liefert orangefarbene un […]