Question

Mike is holding a dull rock in his hand. He can't scratch it with his fingernail or with a nail. The rock is a light pinkish-white color. Which kind of mineral from the table is the rock most likely made of?

A.
talc
B.
gypsum
C.
calcite
D.
feldspar

Answer 1

Answer: talc

Explanation: Because Mike's rock is dull, the only mineral in the table it can't be is mica. The next clues, that it can't be scratched by a fingernail or even a nail, and that it is pinkish in color, meaning that it is most likely feldspar.

Answer 2

A

Step-by-step explanation: