Sale
  • Cover of Gems & Gemology Spring 1992 issue, featuring opals and opal held by intricate metal piece

Spring 1992

  • $15.00

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

Gem-Quality Green Zoisite
N.R. Barot and Edward W. Boehm

Kilbourne Hole Peridot
John R. Fuhrbach

Opal from Querétaro, Mexico: Fluid Inclusion Study
Ronald J. Spencer, Alfred A. Levinson, and John I. Koivula

Natural-Color Nonconductive Gray-to-Blue Diamonds
Emmanuel Fritsch and Kenneth Scarratt

Peridot as an Interplanetary Gemstone
John Sinkankas, John I. Koivula, and Gerhard Becker


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 students and alumni save 10% on back issues! Enter coupon code GGALUM at checkout.

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SKU: 92sp