Fall 2009
Lab Notes
DIAMOND
Fancy Red, Irradiated and Annealed
With Hydrogen Cloud and Etch Channels
Large Type Ib Yellow Diamond Colored by Isolated Nitrogen
Patterned Green Radiation Stains
Pumpellyite in QUARTZ
A Useful Technique to Identify Negative Crystals in RUBY
“Textbook” Columbite in TOPAZ
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