On Moh's hardness scale, which of the following minerals is harder than quartz?

  1. Talc
  2. Apatite
  3.  Gypsum
  4. Diamond

Which of the following terms is NOT used to describe a mineral's luster?

1- Shiny

2- Glassy

3- Dull

4- Hexagonal

The color of the powder that a mineral leaves on a piece of white, unglazed 
1-Hardness
2- Luster
3- Streak
4- Scratch
 
According to the Mohs Hardness Scale, which of these minerals is the hardest?
1- Apatite
2 - Calcite
3 - Corundum
4 - Quartz
 
According to the Mohs Hardness Scale, which of the following statements is true?
1 - Only Corundum will scratch Diamond
2 - Quartz and Feldspar will scratch Apatite
3 - Calcite will scratch Fluorite
4 Talc will scratch all the other minerals on the scale