Because of the complex components of granite formed under varied conditions, variety, be classified in many ways.
(1) by type of minerals
Divided into black granite, white granite and amphibolite granite, eryun granite;
(2) according to the structure
Can be divided into fine particles in granite, granite, coarse granite, porphyritic granite, porphyritic granite, Crystal hole granite and gneissic granite and so on;
(3) according to Deputy contained mineral