An unknown mineral is scratched by a penny. It must _____. A:be talc B:have a Mohs hardness of 10 C:be softer than a diamond D:have perfect cleavage

asked Feb 20, 2019 122k views

4 votes

An unknown mineral is scratched by a penny. It must _____.

A:be talc
B:have a Mohs hardness of 10
C:be softer than a diamond
D:have perfect cleavage

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3 votes

Answer:

It would be softer than a diamond

Explanation:because i had it on my test

Lars Knickrehm answered Feb 21, 2019

8.7k points

4 votes

The answer is a I think

Wigberto answered Feb 24, 2019

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