garnierite

Noun
  1. A green mineral consisting of hydrated nickel magnesium silicate;
    A source of nickel (synset 114700487)
    is a type of: mineral - solid homogeneous inorganic substances occurring in nature having a definite chemical composition
    substance holonym: atomic number 28, ni, nickel - a hard malleable ductile silvery metallic element that is resistant to corrosion; used in alloys; occurs in pentlandite and smaltite and garnierite and millerite

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