Lab Notes Gems & Gemology, Spring 2005, Volume 41, No. 1

Spring 2005 G&G Lab Notes

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Diamond with Bodycolor Possibly Affected by the 3H Defect
HPHT-Treated Type IIa Yellow Diamond
Inhomogeneous Cape Diamond
Irradiated and Fracture-Filled Diamond
A Coated “Night Glowing Pearl”
Covellite in Quartz
Rock Crystal Quartz with Unusual Surface Texture
Sphene Cabochon with an Unusual Natural Surface
 
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