Hauerite

from The Collaborative International Dictionary of English v.0.48
Hauerite \Hau"er*ite\ (h[add]"[~e]r*[imac]t), n. [Named after
   Von Hauer, of Vienna.] (Min.)
   Native sulphide of manganese, a reddish brown or brownish
   black mineral.
   [1913 Webster]
    

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