Minerals Crystal Collection (Set of 15)

Minerals Crystal Collection Crystal structure results from the orderly geometric spatial arrangement of atoms in the internal structure of a mineral. This crystal structure is based on regular internal atomic or ionic arrangement that is often expressed in the geometric form that the crystal takes. This Collection contains 15 Minerals having Isometric, Tetragonal, Orthorhombic, Hexagonal, Monoclinic and Triclinic Crystal Systems.