Chemistry:Adamantine spar

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Short description: Variety of corundum


Adamantine spar is a silky brown variety of corundum. It has a hardness of 9 on the Mohs scale.[1]

See also

References

  1. ↑ "Adamantine Spar". Archived from the original on 18 October 2007. https://web.archive.org/web/20071018072823/http://www.mindat.org/min-5135.html. Retrieved September 15, 2007. 




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