Natural Minerals

6. What is the hardest mineral on the Mohs scale?
A) Quartz
B) Feldspar
C) Calcite
D) Diamond

7. What mineral is commonly found in toothpaste?
A) Quartz
B) Feldspar
C) Calcite
D) Fluorite

8. What mineral is used to make cement?
A) Quartz
B) Feldspar
C) Calcite
D) Gypsum

9. What mineral is used to make plaster?
A) Quartz
B) Feldspar
C) Calcite
D) Gypsum

10. What mineral is used to make talcum powder?
A) Quartz
B) Feldspar
C) Calcite
D) Talc