nephrite

Noun
  1. An amphibole mineral consisting of calcium magnesium silicate in monoclinic crystalline form;
    A source of jade that is less valuable than from jadeite;
    Once believed to cure kidney disorders (synset 114707756)
    is a type of: amphibole - a mineral or mineral variety belonging to the amphibole group
    belongs to: amphibole group - a group of minerals with similar crystal structures containing a silicate chain and combinations of chiefly sodium and calcium and magnesium and iron and aluminum

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