Winter 2008
Lab Notes
Fancy Dark Brown-Yellow Zoned type IIa/IIb DIAMOND
HPHT-Treated CVD SYNTHETIC DIAMOND Submitted for Dossier Grading
QUARTZ with Secondary Covellite Dendrites
Induced Copper Contamination of TOURMALINE
Current Issue
Fancy Dark Brown-Yellow Zoned type IIa/IIb DIAMOND
HPHT-Treated CVD SYNTHETIC DIAMOND Submitted for Dossier Grading
QUARTZ with Secondary Covellite Dendrites
Induced Copper Contamination of TOURMALINE
