• Cover of Gems & Gemology Summer 1998 issue, featuring stone with bands of bright color

Summer 1988

  • $15.00
The PDF version of this issue is available at no charge. Visit

The Diamond Deposits of Kalimantan, Borneo
L. K. Spencer, S. David Dikinis, Peter C. Keller, and Robert E. Kane

An Update on Color in Gems. Part 3: Colors Caused by Band Gaps and Physical Phenomena
Emmanuel Fritsch and George R. Rossman

Pastel Pyropes
Carol M. Stockton

Examination of Three-Phase Inclusions in Colorless, Yellow, and Blue Sapphires from Sri Lanka
Karl Schmetzer and Olaf Medenbach

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: 438803