corundum, synthetic corundum.7, quality.10, gems

Sinkankas: Reminiscences of experiences with selling gemstones, fascinating as usual, and full of practical information for those in the trade. The appendices give brief accounts on lesser gemstones, a table of stones in the High Priest’s breastplate, a horoscopic square, and an alphabetical list of the 40 most important diamonds, “specially compiled by the author,” with their names, origins, weights, rough & cut, and where known, value. Also serialized in The Gems, vol 17, 198, 1948, p 4–7 to 18, 210, 1949, 21–22, altogether 13 articles, each ca 3–5 pp.