asked 221k views
0 votes
A mineral leaves a gray trail when scraped against an unglazed porcelain plate.

Which property of a mineral is being measured?

A.
luster

B.
streak

C.
color

D.
hardness

asked
User Wakandan
by
7.7k points

2 Answers

3 votes
It's D Hardness, Which is not a material luster,streak and color All are involved With each other in any rock
answered
User Bhaskar Kandiyal
by
7.7k points
6 votes
D. Hardness.

A measure of hardness is the property that a material scratches or be scratched.

The principle is that a harder material will scratch a softer one.
answered
User Teppic
by
7.9k points
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