What are the causes of limestone and dolomite?
Produced from the sea of limestone from the physical change animal and plant debris, mud and calcareous skeletons in the water organic matter and other components. After the death of these organic compounds, carbonates dissolved in seawater and accumulated on the seafloor, forming calcium carbonate and shellfish. Usually, after the limestone has been cut, it is found that there are intact or damaged fossils in the stone.
Limestone is a composition containing calcite single rock, calcite components accounted for 95%, which contains a small amount of minerals and clay minerals, siderite, dolomite, quartz, feldspar, mica and can reflect the color of the stone. The limestone, which is pure in composition, is white. Limonite and siderite give limestone a tan pattern and color, such as blood red, sea green, chlorite green, asphalt ash, and black.
The limestone is also called calcite, calcium carbonate, its Mohs hardness value (MOH) 3