Four Treasures Reference Database
Record No. 6543

Detecting corundum fillers with the long-wave UV torch

Journal Article
Hughes, E.B. (2023) Detecting corundum fillers with the long-wave UV torch. Australian Gemmologist, Vol. 28, No. 3, January–June, pp. 146–153.
RWHL*
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gems, corundum, treatments.6, oiled ruby, oiling