Lab Notes Gems & Gemology, Summer 2004, Volume 40, No. 2

Summer 2004 G&G Lab Notes

Notable Cat’s-Eye Alexandrite
Fracture Filled Diamond: To Alter Color and Enhance Clarity
Moon-Like Surface on a Crystal
Cat’s-Eye Demantoid Garnets
High R.I. Glass Sold as Peridot
Dyed Jadeite Resembling Nephrite
Green Quartz with Brazil-Law Twinning
Synthetic Sapphire with Unusual Yellowish Green Bodycolor
Spinel with Interesting Etch Tubes
Natural Spinel Identified with Photoluminescence
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