Winter 2007
Lab Notes
APATITE in spessartine
DIAMOND
- Atypical photoluminescence feature in a colorless type IIa diamond
- Inclusions fit a holiday season
- Diamond with large etch channels filled with iron sulfides
- Natural black diamond with oriented etch channel
- The pareidolia of diamonds
A notable EMERALD carving
Gold coated ONYX
SAPPHIRE with a double star
Impregnated glass imitation of TURQUOISE
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