Two minerals are clearly different (based on hardness and cleave) but have the same color. What can be done to identify the minerals based on color?
A) Submerge the minerals.
B) Hit them with a hammer.
C) Conduct a streak test.
D) Weigh them.

Question

Quizplus · Accepted Answer

Conducting a streak test involves rubbing the minerals against a white, unglazed tile to see the color of the streak left behind. Even if the minerals have the same external color, their streaks may be different, allowing for identification.

Two Minerals Are Clearly Different (Based on Hardness and Cleave)