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| − | [[Mineral]] [[fracture]] that has a rough surface with small [[protuberance]]s, as on a piece of [[cast iron]].
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| − | Pellant, p. 250
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| − | =Sources=
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| − | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995)
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| − | [[category:geology]]
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