Bluestone is commonly known as limestone or sand stone. Its main component is calcium carbonate. Calcium carbonate is a chemical formula is CaCO3. CAS No. is 471-34-1. It is common substances on earth, which can be found in the rock. Basically, it does not dissolve in water. The colors is black, gray, white, yellow or brown.
A large number of lime and limestone used as building materials and it is also an
Specification
Testing standards: (GB/T32B6-1998)
sio2 (silica): 3.63%
cao (calcium oxide): 51.74%
MgO (magnesium oxide): 0.7%
Main purpose: construction, fire prevention materials