Accueil >  Term: asbolan
asbolan

A hexagonal mineral, (Co,Ni)1-y(MnO2)2-x(OH)2-2y+2x.nH2O ; a soft, black, earthy aggregate commonly classed as a variety of "wad," the cobalt content reaching as high as 32% (40% cobalt oxide).

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  • ed.young
  • (Milwaukee, United States)

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