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| − | Three unequal [[axes]], all at [[right angles]] to one another.
| + | #REDIRECT [[Orthorhombic system]] |
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| − | [[Crystals]] are generally short, stubby, with [[diamond-shaped]] or [[rectangular]] cross section; characteristics forms are four-sided [[prisms]], [[pyramids]], and [[pinacoids]] (open forms made up of two [[parallel]] faces). Chesterman, pp. 33-34
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| − | =Sources=
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| − | *Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987)
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