Physical text On Stones

Building stones are to be tested for the following test: 

1. absorption test
2. smith's test
3. toughness test
4. moh's scale of hardness test 
5. acid test
6. crystallization test
7. attrition test
8. crushing test
9. freezing and thawing test
10. hardness test
11. impact test 
12. microscopic test