crazycami123 crazycami123
  • 10-03-2015
  • Health
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what can scratch fayalite but can't scratch orthoclase but not topaz

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Аноним Аноним
  • 17-03-2015
Fayalite has a hardness of 6.5-7 on the Mohs scale. Therefore it scratches orthoclase (hardness 6), but not topaz (hardness 8).HOPE THIS HELPS:]
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