What is "kerolite"

Kerolite \Ker"o*lite\, n. (Min.) Same as Cerolite.

n. (context mineralogy English) A metamorphic nickel-bearing phyllosilicate mineral similar to talc and serpentine.

Kerolite or Cerolite is a metamorphic nickel bearing phyllosilicate mineral variety of talc, can be seen as a mixture of serpentine and saponite as well. It has the formula: (Mg,Ni)SiO(OH)·HO. It is often considered as a talc variety and it was discredited 1979.