Question

5. which is the softest mineral among the
followings?
O granite
O gypsum
O ilmenite
O feldspar
O corundum​

Answer 1

Rocks are made up of one or more minerals. According to the scale, Talc is the softest: it can be scratched by all other materials. ... There are ten minerals in Mohs scale, talc, gypsum, calcite, fluorite, apatite, feldspar, quartz, topaz, corundum, and for last and hardest, diamond.