Minerals and Metals in Ancient India v2.c47.142
Minerals and Metals in Ancient India v2.c47.142
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v2.c47.142
*Ruby* : See Corundum Al₂O₃; for true or oriental Ruby colour red. Latin rubeus (red).
Minerals and Metals in Ancient India v2.c47.142
*Ruby* : See Corundum Al₂O₃; for true or oriental Ruby colour red. Latin rubeus (red).