Respuesta :
Answer:
Geologists use the following tests to distinguish minerals and the rocks they make: hardness, color, streak, luster, cleavage and chemical reaction. A scratch test developed by a German mineralogist Friedrich Mohs in 1822 is used to determine mineral hardness.
Answer:
Streak and cleavage.
Explanation:
I had almost the same question so maybe this is right. Sorry if it's not.