Minerals and Metals in Ancient India v1.c24.s1.t3.2
Minerals and Metals in Ancient India v1.c24.s1.t3.2
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v1.c24.s1.t3.2
The most important sub-group having Si : O ratio 1 : 2 or 3-D structure is quartz and related minerals which has been discussed earlier. The other important sub-group is the feldspars.