Question

6. Randall wanted to do a few tests to analyze a mineral. He started by rubbing and

Scratching it to see what color dust the mineral left behind. What property of
minerals is Randall testing?
a) Cleavage
b) Streak
C) Luster
d) Hardness
I chose
because

Answer 1

Step-by-step explanation:

The test Randall did is called a Streak Test. By scratching a rock on unglazed porcelain, a small amount of dust or powdered mineral will be left behind on the plate. This small amount of powdered mineral is called a 'streak'.

ANSWER: The property being tested is B) Streak to identify the unknown mineral Randall has.