PURPOSE: Models of crystals.

DESCRIPTION: This set of 14 crystal models includes: triclinic, monoclinic primitive, monoclinic base-centered, orthorhombic primitive, orthorhombic base-centered, orthorhombic face-centered, orthorhombic body-centered, tetragonal primitive, tetragonal body-centered, rhombohedral, hexagonal unit cell, cubic primitive, cubic face-centered, and cubic body-centered.

SUGGESTIONS:

REFERENCES: (PIRA 1R50.20) Further information available in Demonstration Reference File.

EQUIPMENT: Crystal models.

SETUP TIME: None.