Minerals and Metals in Ancient India v2.c47.88
Minerals and Metals in Ancient India v2.c47.88
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v2.c47.88
Lazurite 3Na₂Al₂Si₂O₈, 2Na₂S (Chief constituent)
Minerals and Metals in Ancient India v2.c47.88
Lazurite 3Na₂Al₂Si₂O₈, 2Na₂S (Chief constituent)