Lab Notes Gems & Gemology, Spring 1998, Volume 34, No. 1

Spring 1998 G&G Lab Notes

Emerald: an Interesting “Daughter” Crystal
Rough and Fashioned Hemimorphite
Jadeite with Inclusions of Zircon
Mother-of-Pearl Doublet
Cat’s-Eye Opal
Ruby with Surface Evidence of Treatment
Internal Diffusion Revisited in Sapphire
Scapolite Showing Asterism
Natural-Color Green Topaz
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