Four Treasures Reference Database
Record No. 593
Sapphires and rubies associated with volcanic provinces: Inclusions and surface features shed light on their origin
Journal Article
Coenraads, R.R. (1992) Sapphires and rubies associated with volcanic provinces: Inclusions and surface features shed light on their origin. Australian Gemmologist, Vol. 18, No. 3, pp. 70–78.
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corundum, ruby, sapphire, Australia.12, inclusions.5, gems