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Crystal Forms

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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

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  1. Crystal Forms • cube, tetrahedron, octahedron, dodecahedron, pyritohedron • rhombohedron • prism • pinacoid

  2. Crystal Shape • Euhedral: well-shaped crystals • Subhedral: some crystal faces • Anhedral: no crystal faces

  3. Cube • Cube of halite

  4. Tetrahedron • Looking at two sides of a tetrahedron

  5. Octahedron • Cleaved fluorite

  6. Dodecahedron • Garnet, almandine

  7. Rhombohedron • Dolomite Crystals

  8. Prism and Pinacoid

  9. Pyritohedron • example pyrite

  10. hexagonal and square Dipyramids

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