Register
Jess scratches an unknown mineral with topaz, which has a Mohs hardness of 8. Topaz leaves a scratch on the unknown mineral. The unknown mineral _____.
113k views
5 votes
Jess scratches an unknown mineral with topaz, which has a Mohs hardness of 8. Topaz leaves a scratch on the unknown mineral. The unknown mineral _____.

User Anthony Pham
by
8.2k points

1 Answer

5 votes
The unknown mineral has to have a smaller hardness number (meaning it’s softer). It’s hardness can be between 1-7. Some minerals it could be (and their hardness) are:
quartz-7
orthoclase-6
apatite-5
fluorite-4
calcite-3
gypsum-2
talc-1
User Teflon Ted
by
8.2k points
← Prev Question Next Question →

Related questions

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Other Questions

What are three ways water erodes the surface of earth
How have computers changed mapmaking in recent years
How does weathering affect Plateaus?
what is the outlet of a river called
An example of a stateless nation in the middle east is provided by who?
Link Copied!