Gem corundum in alkali basalt: Origin and occurrence
Journal Article
Levinson, A.A. and Cook, F.A. (1994) Gem corundum in alkali basalt: Origin and occurrence. Gems & Gemology, Vol. 30, No. 4, Fall, pp. 253–262.
ISBN/ISSN: 0016626X | Sinkankas/Born No.: NIS / NIB | RWHL
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corundum, geology.11, gems