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71-
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1, the formation of: granite magma from underground cooling crystallization and intrusion, and metamorphic rocks such as granite formation.
2 components: the main ingredient is silica granite, and its content of about 65% -85%.
3, the chemical properties: the chemical nature of granite was acid.
4, the structure: the structure of granite-like structure usually point, the more coarse particles (of silica), more regular distribution of surface patterns, high hardness.
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