Respuesta :
Answers;
Angle
Number
Explanation;
- A crystal form refers to a set of planar faces which are geometrically equivalent and whose spatial positions are related to one another by a specified set of symmetry operations .
- Every crystal class can be classified into one of six crystal systems. These includes the isometric, hexagonal, tetragonal, orthorhombic, monoclinic, and triclinic systems.
