The '''triclinic''' [[crystal system]] has three [[axis|axes]], all of different length and none [[perpendicular]] to the others.
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#REDIRECT [[Triclinic system]]
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[[Crystals]] are usually [[flat]]tened, with sharp edges and sharp, thin cross section; no [[right angles]] on faces or edges; all forms are [[pinacoids]] (open forms made up of two [[parallel]] faces).
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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), ''pp. 33-34''