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Winter 1991
Winter 1991

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Our Price: $15.00

Availability:: Usually Ships in 3 to 5 Business Days
Product Code: 91W

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The PDF version of this issue is available at no charge. Visit
Marine Mining of Diamonds Off the West Coast of Southern Africa
John J. Gurney, Alfred A. Levinson, and H. Stuart Smith

Sunstone Labradorite from the Ponderosa Mine, Oregon
Christopher L. Johnston, Mickey E. Gunter, and Charles R. Knowles

Curves and Optics in Nontraditional Gemstone Cutting
Arthur Lee Anderson

An Examination of Nontransparent "CZ" from Russia
Robert C. Kammerling, John I. Koivula, Robert E. Kane, Emmanuel Fritsch, Sam Muhlmeister, and Shane F. McClure
1991 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.

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