A '''fibrous''' [[Mineral Aggregates|mineral aggregate]] shows threadlike [[fibers]]. [[Serpentine]] is an example of a [[mineral]] exhibiting a fibrous form. Chesterman, p. 40
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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)