70. [ Sand not be treated as minor mineral when used for certain purposes [Inserted by G.S.R. 1446, dated 2.12.1961. ]
.-Sand shall not be treated as a minor mineral when used for any of the following purposes, namely:-(i)purposes of refractory and manufacture of ceramic;(ii)metallurgical purposes;(iii)optical purposes;(iv)purposes of stowing in coal mines;](v)[ for manufacture of silvicrete cement; [ Inserted by G.S.R. 1348, dated 9.9.1964.](vi)for manufacture of sodium silicate;(vii)for manufacture of pottery and glass.]
