stereonet, Wulff net
Miller indices
form
( ), [ ], { }
pedion, pinacoid, prism, pyramid, dipyramid, rhombohedron, trapezohedron, cube, octahedron, dodecahedron, tetrahedron, pyritohedron
zone
Law of Bravais
Law of Constancy of Interfacial Angles
goniometer
mono, di, tri, tetra, penta, hexa, octa, dodeca
 

What kinds of things can be shown on a stereonet, and why would you use one?