The Collaborative International Dictionary of English v.0.48:

Linnaeite \Lin*n[ae]"ite\ (l[i^]n*n[=e]"[imac]t), n. [See
   Linn[ae]an.] (Min.)
   A mineral of pale steel-gray color and metallic luster,
   occurring in isometric crystals, and also massive. It is a
   sulphide of cobalt containing some nickel or copper.
   [1913 Webster]