Lab Notes Gems & Gemology, Fall 2004, Volume 40, No. 3

Fall 2004 G&G Lab Notes


Large Coral Bead Necklace
Four Blue Diamonds From A Historic Necklace
Irradiated Blue Diamond Crystal
Irradiated Type IIb Diamond
Unusual Cause Of Blue Color In A Diamond
Nephrite That Mimics Serpentine
Pink Opal
Rubies, Clarity Enhanced With A Lead Glass Filler
Unusual Synthetic Ruby Triplet Displaying Asterism
Copper-Bearing Color-Change Tourmaline From Mozambique

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