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
- ↑ "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.
Original source: https://en.wikipedia.org/wiki/Adamantine spar.
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