What is the hardness number of the mineral


Problem

A mineral can be scratched by a brass washer, but cannot be scratched by a copper coin.

1. Is this mineral hard or soft?

2. What is the hardness number of this mineral?

3. What mineral on Mohs Scale has this hardness?

Request for Solution File

Ask an Expert for Answer!!
Other Subject: What is the hardness number of the mineral
Reference No:- TGS03224847

Expected delivery within 24 Hours