Lab Notes Gems & Gemology, Fall 2001, Volume 37, No. 3

Fall 2001 G&G Lab Notes

Baddeleyite as a Gemstone
Highly Unusual Necklace Layout of Conch “Pearls”
13 Ct Yellowish Green Datolite
Heat-Treated Black Diamond: Before and After
Update on Blue and Pink HPHT-Annealed Diamonds
Fracture-Filled “Bloodshot” Iolite
Maw-Sit-Sit Beads
Two Unusual Opals
Star Sapphire with Two Stars of Two Different Colors
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