Four Treasures Reference Database
Record No. 2322
Glass infilling of cracks in ruby
Journal Article
Hughes, R.W. (1987) Glass infilling of cracks in ruby. ICA Laboratory Alert, No. 4, 1:00 PM.
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ruby, corundum, treatments.6, gems
A ruby appeared to have glass in fissures throughout. [in hindsight, this was probably exsolution of planes of boehmite or another mineral]