When identifying a mineral, scientists will often rub it accross a porcelain plate to determine color of the powder left behind. This is to determine the minerals-

Question

A. Color

B. Streak

C. Luster

D. Density

Answer 1

Well

Answer 2

What do you think it is?

Answer 3

The internet says that it's B. Search your question on google if you could and it says streak somewhere.