• Winter 1988

Winter 1988

  • $15.00

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

Gemstone Irradiation and Radioactivity
Charles E. Ashbaugh III

Amethyst Mining in Brazil
David Stanley Epstein

Opals from Opal Butte, Oregon
Kevin Lane Smith

A Gemological Look at Kyoceraís New Synthetic Star Ruby
John I. Koivula and Robert C. Kammerling
1988 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).

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SKU: 88w