Why is limestone white?

Related questions

1. What are some characteristics of limestone?
2. What is an example of limestone?
3. Can you drink limestone water?
4. Is gold found in limestone?
5. What is limestone used for in everyday life?
6. Can you paint limestone?
7. What is the main use of limestone?
8. Does limestone clean water?
9. What type of rock is limestone?
10. Is limestone bad for?

Tags

1. #foraminifera
2. #chalk
3. #limestone
4. #probably
5. #stained
6. #variety
7. #precipitation
8. #chemical
9. #carbonate
10. #shells
11. #other
12. #impurities
13. #white
14. #crumbles
15. #calcium
16. #oxide
17. #accumulation
18. #porous
19. #formed
20. #easily