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Simple, cubic, Body-centered, cubic (BCC), Face-centered, cubic (FCC), Tetragonal: a =b# c, a = B = y = 90°, Simple, tetragonal, Body-centered, tetragonal (BCT), Orthorhombic: a + b+ c, a = B = y = 90°, Base-, Body-, centered, Simple, Face-, centered, centered, Monoclinic: a + b # c, a = y = 90° # ß, Simple, Base-centered, monoclinic, monoclinic, Rhombohedral, Hexagonal, a = b # c, a = B = 90° y = 120°, Triclinic, a = b = c, a = B =y = 90°, a +b#c, a # B#y # 90°