Minerals and Metals in Ancient India v2.c47.122
Minerals and Metals in Ancient India v2.c47.122
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v2.c47.122
*Plasma* : see Quartz, Greek word for things formed or molded, name used probably because the mineral was used for intaglios.
Minerals and Metals in Ancient India v2.c47.122
*Plasma* : see Quartz, Greek word for things formed or molded, name used probably because the mineral was used for intaglios.