An Encyclopaedia of Indian Archaeology v1.c21.s14.3
An Encyclopaedia of Indian Archaeology v1.c21.s14.3
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v1.c21.s14.3
The analyses of four Harappa objects, (1) Mohenjodaro statuette, (2) Harappa disc, (3) LOTHAL bead and (4) KALIBANGAN bead, are as follows per cent: SiO₂—(1) 57·23, (2) 57·99, (3) 61·46, (4) 62·60; Fe₂O₃+Al₂O₃—(1) 3·69, (2) 4·85, (3) 3·04, (4) 1·73; CaO—(1) 6·39, (2) 4·31, (3) 0·22, (4) 0·41; MgO—(1) 28·99, (2) 27·20, (3) 32·98, (4) 33·62; CuO–(1) 0·46, (2) 1·09, (3) and (4) nil; H₂O⁺—(1) 1·36, (2) 2·01, (3) 2·30 , (4) 0·84; Na O + K₂O (by difference)— (1) 1·88, (2) 3·54, (3) nil, (4) 0·80.