LIMESTONE PROPERTIESHardness: 8Composition: CaCO3 SiO2Special quality: white bigFunctional use: Limestone is a sedimentary rock, which can be used in cement (concrete), architecture, solid base of roads, glass making, added to paper, toothpaste, medicines,

LIMESTONE PROPERTIESHardness: 8Composition: CaCO3 SiO2Special quality: white bigFunctional use: Limestone is a sedimentary rock, which can be used in cement (concrete), architecture, solid base of roads, glass making, added to paper, toothpaste, medicines,