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Line 1: − + − − Pellant, p. 250 − − =Sources= − *Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) + +
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Curved or shell-like [[fracture]] in many [[mineral]]s and some [[rock]]s.
Curved or shell-like [[fracture]] in many [[mineral]]s and some [[rock]]s.<ref>Pellant, Chris. ''The Complete Book of Rocks and Minerals'', Dorling Kindersley Inc.: New York (1995) page 250</ref>
=References=
{{Reflist}}
[[category:geology]]
[[category:geology]]