The distinction between marble and Bluestone
The main mineral composition of limestone with dolomite, magnesite, calcite and other carbonate minerals, mixed with other minerals, such as magnesite, quartz, chalcedony, opal, aluminum silicate, pyrite, pyrite, goethite water, glauconite etc.. In addition, individual types of limestone and coal, asphalt and other organic matter and gypsum, anhydrite, sulfate, and compounds of phosphorus and calcium, alkali metal compounds and strontium, barium, manganese, titanium and fluorine compounds, but the content is very low. The main chemical composition of limestone is CaCO3, which is easy to be dissolved. Therefore, limestone and karst caves are formed in limestone area, which is called Karst landform
Limestone (Limestone), referred to as limestone, carbonate and calcite as main component, sometimes contain dolomite, clay mineral and detrital minerals, sedimentary rocks, sedimentary rock is a kind of. The limestone is mainly formed in the shallow water environment, which belongs to the biological sedimentary formation, its main form is settlement of marine biological bodies, and from the land of animal and plant debris and sediment rot together in bed or on the seabed sediment compaction after forming geological changes.
The limestone structure is more complex, there are two kinds of clastic structure and grain structure, the structure of debris by particle, micrite and microspar cements matrix composition, grain structure is crystal particles by chemical and biological chemical deposition of.
