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11-30-2010, 08:47 AM
Thread: charnley forest - arkansas stones
by Neil Miller- Replies
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Zib - I presume that they are composed of some of...
Zib - I presume that they are composed of some of the same minerals and a mix of other, different minerals that modify their appearance. Novaculites can vary from 7 - 7.5 on the MOHS hardness scale...
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