Crystal Systems + extra
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7 Terms
What are the six crystal systems in order?
isometric, tetragonal, hexagonal, orthorhombic, monoclinic, triclinic
What is the lattice structure, angles, optical class, and mineral example of an isometric crystal system?
a=b=c, 90-90-90, isotropic, halite
What is the lattice structure, angles, optical class, and mineral example of an tetragonal crystal system?
a=b≠c, 90-90-90, uniaxial, rutile
What is the lattice structure, angles, optical class, and mineral example of an hexagonal crystal system?
a=b≠c, 90-120-90, uniaxial, quartz
What is the lattice structure, angles, optical class, and mineral example of an orthorhombic crystal system?
a≠b≠c, 90-90-90, biaxial, forsterite
What is the lattice structure, angles, optical class, and mineral example of an monoclinic crystal system?
a≠b≠c, 90-?-90, biaxial, orthoclase
What is the lattice structure, angles, optical class, and mineral example of an triclinic crystal system?
a≠b≠c, ?-?-?, biaxial, albite
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