Lab Notes Gems & Gemology, Winter 1995, Volume 31, No. 4

Winter 1995 G&G Lab Notes

Fancy Black Diamond with Iron
Fracture-Filled Diamond with Unusual Material
Extremely Thin Jadeite Jade Carving
A Testing Precaution for Jadeite Jade
Impregnated Synthetic Opal
Green and Yellow Bicolor Synthetic Quartz
Rock Resembling Jadeite
Ruby with Atypically High R.I.'s
Two Rubies with Unusual Features
Sapphire with Zoned Transmission Luminescence
Synthetic Sapphire with Color Changed by UV Radiation
Magnetic Serpentine
Spinel with Hogbomite Inclusions (?)
A Topaz Assemblage
Zircon with Phantom Planes
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