What are Feldspar's uses?

Answer:
Feldspar is used in glassmaking, ceramics, and to some extent as a filler and extender in paint, plastics, and rubber.

It makes 60% of the worlds crust and Italy is its main exporter
First answer by Uggla6. Last edit by Uggla6. Contributor trust: 1 [recommend contributor recommended]. Question popularity: 1 [recommend question].