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A '''brittle''' mineral is easily broken into a powder by cutting or hammering. Chesterman, p. 32
A '''brittle''' [[mineral]] is easily broken into a [[powder]] by cutting or hammering. Chesterman, p. 32
=Sources=
=Sources=
*Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987)
*Chesterman, Charles W. ''The Audubon Society Field Guide to North American Rocks and Minerals'', Alfred A. Knopf: New York (1987)