Sale
  • Spring 1993

Spring 1993

  • $15.00

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

Queensland Boulder Opal
Richard W. Wise

Update on Diffusion-Treated Corundum: Red and Other Colors
Shane F. McClure, Robert C. Kammerling, and Emmanuel Fritsch

A New Gem Beryl Locality: Luum‰ki, Finland
Seppo I. Lahti and Kari A. Kinnunen

De Beers Near Colorless-to-Blue Experimental Gem-Quality Synthetic Diamonds
Marie-Line T. Rooney, C.M. Welbourn, James E. Shigley, Emmanuel Fritsch, and Ilene Reinitz


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.

Usually ships in 3-5 business days.

 

SKU: 93sp