What is the hardness of limestone?

Related questions

1. Can you remove paint from limestone?
2. What are some characteristics of limestone?
3. What Colour is limestone?
4. Does salt water dissolve limestone?
5. Does limestone hold water?
6. Which is harder sandstone or limestone?
7. Is it good to eat limestone?
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Tags

1. #clastic
2. #cleavage
3. #scale
4. #abundant
5. #sediment
6. #halite
7. #limestone
8. #carbonate
9. #mineral
10. #hardness
11. #sedimentary
12. #produced
13. #perfect
14. #calcium
15. #rocks
16. #calcite