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FlG. I. Simple Cubic Space-Lattice.
FIG. 2. Arrangement of Points on the Surface of a Cubic Crystal. (Simple cubic lattice.)
FIG. 3. Vertical Sections Through the Structure (fig.j), showing:-
(a) Distance between cube planes.
(b) Distance between rhombic dodecahedron planes.
(c) Distance between octahedron planes.
FIG. 4. (a) Simple Cubic
Lattice.
(b) Centred Cubic Lattice.
(c) Face-centred Cubic Lattice.
FIG. 5. Laue X-ray Photograph Through the Basal Plane of Penninite.
FIG. 8. Stereogram of Laue Photograph of Anhydrite on the Face (oio).
FIG. 6. Reflection of X Rays
by Planes of Particles.
FIG. 7. Reflection of X Rays by Planes
of Particles: production of spots
in the Laue photographs.
Kic. g. Structure of Rock-
salt (sodium and chlorine
atoms i n simple cubic space-
lattice) : or of Galena
(PbS>.
FIG. 10. "Diamond Lat- tice "representing Diamond when the atoms are all of the same kind, or Zinc-blende when of two kinds.