Four Treasures Reference Database
Record No. 4421
Gem News International: Oiled spinel
Journal Article
Hughes, R.W. (2020) Gem News International: Oiled spinel. Gems & Gemology, Vol. 56, No. 3, Fall, pp. 443–444.
ISBN/ISSN: 0016626X | RWHL
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gems, spinel, Burma, treatments, oiled spinel
When a red spinel was submitted for testing, oil was found in the fissures. Removal of the oil resulted in a startling deterioration in clarity.