How could one test if calcite is the mineral that cements together loose grains of sandstone?
A) If it is extremely strong then it is calcite.
B) If it does not react with dilute acid, then it is calcite.
C) If it does react with dilute acid, then it is calcite.
D) If you lick it and it falls apart, then it is calcite.

Question

Quizplus · Accepted Answer

Calcite reacts with dilute acid, so if the cement in the sandstone does not react, it cannot be calcite. Options A and D do not provide any scientific explanation or test for identifying calcite. Option B is incorrect as calcite does react with dilute acid.

How Could One Test If Calcite Is the Mineral That