Question: Science

Can you order these rocks, softest to hardest please?

Chalk, limestone, clay, sandstone, slate.

In Science | Asked by arwen46
Answers
chalk 3,limestone 3-4, slate 3-4, sandstone 6.5-7
moh scale of hardness for minerals
1. talc
2. gympsum
3. calcite
4. fluorite
5. apatite
6. feldspar
7. quartz
8. topaz
9. corundum
10. diamond
Dr. John Carmen | 615 days ago