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There could be several rocks used in the making of glass, but the main constituent material used in making glass is quartz. The rock which is used most for supplying the quartz used in glass making is sandstone.
Diamond is used to cut glass, since it is harder than glass.
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Maybe pieces of old,broken glass
Maybe pieces of old,broken glass
Usually sandstone is used to supply quartz for making glass.
Usually sandstone is used to supply quartz for making glass.
fibre glass.
this rock is used for smelting and making glass
is used for making windows/glass
Cerium Oxide is most commonly used for glass polishing. The Cerium Oxide makes the glass softer therefore making it much easier to polish. It is also used in catalytic converters.