Lab Notes Gems & Gemology, Winter 1998, Volume 34, No. 4

Winter 1998 G&G Lab Notes

Faded and Fading Maxixe Beryl
Brown Diamond with Green-to-Blue Color Zones
Raman Analysis of Inclusions in Diamond
Diamond with Triangular “Void” Inclusions
Synthetic Diamond Showing Change of Color
Cultured Pearls with a Faceted Surface
Non-Nacreous “Pearls”
Spinel with a Darker Core
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