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Crystal Forms. cube, tetrahedron, octahedron, dodecahedron, pyritohedron rhombohedron prism pinacoid. Crystal Shape. Euhedral: well-shaped crystals Subhedral: some crystal faces Anhedral: no crystal faces. Cube. Cube of halite. Tetrahedron. Looking at two sides of a tetrahedron.
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Crystal Forms • cube, tetrahedron, octahedron, dodecahedron, pyritohedron • rhombohedron • prism • pinacoid
Crystal Shape • Euhedral: well-shaped crystals • Subhedral: some crystal faces • Anhedral: no crystal faces
Cube • Cube of halite
Tetrahedron • Looking at two sides of a tetrahedron
Octahedron • Cleaved fluorite
Dodecahedron • Garnet, almandine
Rhombohedron • Dolomite Crystals
Pyritohedron • example pyrite
hexagonal and square Dipyramids