Minerals and Metals in Ancient India v2.c45.s2.2

v2.c45.s2.2

Emerald was known as tārkṣya, garuḍodgāra, etc. Cat’s eye gem was called viduraka. Diamond was known as vajra as well as bhidura. Diamond was classified under three ‘genders’: masculine, feminine and neutral as well as under four conventional castes (RRS, 4.26-4.30).