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  • Winter 1996

Winter 1996

  • $15.00

The PDF version of this issue is available at no charge. Visit www.gia.edu

An Update on Imperial Topaz from the Cap„o Mine, Minas Gerais, Brazil
Daniel A. Sauer, Alice S. Keller, and Shane F. McClure

Trapiche Rubies
Karl Schmetzer, Henry A. H‰nni, Heinz-J¸rgen Bernhardt, and Dietmar Schwarz

Some Gemological Challenges in Identifying Black Opaque Gem Materials
Mary L. Johnson, Shane F. McClure, and Dino G. DeGhionno

Enstatite, Cordierite, Kornerupine, and Scapolite with Unusual Properties from Embilipitiya, Sri Lanka
Pieter C. Zwaan

Some Tanzanite Imitations
Lore Kiefert and Susanne Th. Schmidt
 
1996 Annual Index


Every issue also includes the most up-to-date reports from the GIA Laboratory (Lab Notes) and gemologists around the world (Gem News International).

GIA student and alumni save 10% on back issues! Enter coupon code GGALUM and a GIA Student Number at checkout.

SKU: 96w