FeatureGems & Gemology, Spring 1990, Vol. 26, No. 1

Gem Localities of the 1980s

James E. Shigley, Dona Mary Dirlam, Karl Schmetzer, E. Alan Jobbins

The 1980s saw major developments in new sources for diamonds and colored stones, as well as expanded production at many existing mines. This article identifies important new discoveries, as well as localities that were major gem producers, during the decade. Brief descriptions are provided for many of these, and their impact on the jewelry industry is reviewed. The article also provides an index to key recent publications on these occurrences.

こちらもご覧ください

YMAL GIA Ed
通学やオンラインでの教育について学ぶ
Learn About NextGem
GIA ネクストジェム(NextGem) ダイヤモンド研修 小売業向け
Explore GIA Laboratory Promotional Offers
GIAラボラトリーの特別オファーを見る
Shop the GIA Store
GIAストアで ショッピング