Adamantine spar

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This article is about the real mineral. For mythological and fictional substances of a similar name, see Adamant. For the type of mineral lustre, see Adamantine lustre.

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

See also

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References

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  1. ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).


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