Generally clays. Perhaps you've seen some makeup bottles labeled with something like "kaolin". "kaolin" is referring to kaolinite clay. I've also heard of montmorrilonite clays being used in makeup,...
Chalk is a sedimentary rock composed of the skeletal remains of tiny marine organisms and is composed mainly of the mineral calcite. As such, chalk is not a mineral.
It's composition can be Fe3 O4, or FeFe2 O4, depending if it's ferric or ferrous. There is no silicon in its composition, so it's a nonsilicate, mafic mineral also a diamond is the allotrope carbon...