The stone is a solid mass, which consists of the same type or several types of minerals gathered by nature.Due to the composition of the crust is silicon compounds nadaioksai (SiO2), so the shell.Most of the world is a silicate mineral, a family. There is also a mineral carbonate because the atmosphere in the family.The former mainly carbon dioxide Rain water has dissolved carbon dioxide on the atmosphere down to accumulate on the floor.Earth and ocean creatures rely on carbon-generating nutrients and body. Some types 44,600 pond creation of silicaShell when the piles are precipitated death. Most of the stones on the crust so it contains various minerals that table 1.
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