Which of the following are useful test to determine the identity of a mineral (you may select multiple answers)?
A. Ability to react with acid
B. Color
C. Hardness
D. Scratch Test
A. Ability to react with acid
C. Hardness
D. Scratch Test
A. Ability to react with acid
B. Color
C. Hardness
D. Scratch Test
C. Hardness
D. Scratch Test