Four Treasures Reference Database
Record No. 16697
Heat Treatment of Gemstones
Unpublished Work
Waitz, R. (n.d.) Heat Treatment of Gemstones. 5 pp.; unpublished report.
Sinkankas/Born No.: NIS/NIB | RWHL
gems, corundum, treatments.6, ruby, sapphire
Short paper on heating corundum.