Cubic (crystal system)

From Academic Kids

In crystallography, the cubic crystal system is the most symmetric of the 7 crystal systems. The system is composed of the three Bravais lattices whose symmetry group is that of a cube.

The three Bravais lattices that form the cubic crystal system are:

simple cubic body-centered cubic face-centered cubic
Cubic, simple Cubic, body-centered Missing image
Cubic,_face-centered.png
Cubic, face-centered


BCC - Body-centered cubic.

FCC - Face-centered cubic.

The point groups that fall under this crystal system are listed below, followed by their representations in international notation and Schoenflies notation, and mineral examples.

name international Schoenflies example
hexoctahedral <math>\frac4m\overline{3}\frac2m<math> or <math>m3m<math> Oh galena
gyroidal 432 O cuprite
diploidal <math>\frac2m \overline{3}<math> or <math>m3<math> Th pyrite
tetrahedral <math>\overline{4}3m<math> Td sphalerite
tetartohedral 23 T

See also: close-packingde:Kubisches Kristallsystem

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