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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= |
| | + | *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) |
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| | + | [[category:geology]] |