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AM23 222 Kutnohrite
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by
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altermaven
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ALTERMAVEN                        2023-09-28 19:49
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KUTNOHRITE IS A RARE CALCIUM MANGANESE CARBONATE MINERAL WITH EXTRA MAGNESIUM AND IRON. IT IS PART OF THE DOLOMITE SUBGROUP. OFTEN SEEN AS BRIGHT RED OR PINKISH, THIS HAS A COMPARABLE REFRACTIVE INDEX SIMILAR TO SPINEL, YET DENSER THAN STANDARD DOLOMITE. HOWEVER, IT IS BRITTLE.  
  
THE MOHS HARDNESS OF KUTNOHRITE IS BETWEEN 3.5-4.