Part one of term paper
Most simple chemical compounds consist of crystals. If you were to examine a lump of crystalline material very closely, you would be able to see tiny individual crystals. All crystals have a definite geometric shape, determined by the way the atoms are linked together. Mineralogists recognize 32 different classes of crystal, which are groupe ...

Part two of term paper
... described as being isometric, but not all isometric crystals are plain cubes. If the corners of a cube are cut off, the result is a polyhedron with six octagonal faced and eight triangular ones. Aside from the isometric system, there is also; a tetragonal, orthorhombic, monoclinic, triclinic and hexagonal system. Crystals may form when a solution of a substance evaporates. Crystals may also form when a vapor or molten substance solidifies. Allotropes are different forms of the same element. For Ex ...