matière minérale

Definitions of matière minérale
  1. noun
    solid homogeneous inorganic substances occurring in nature having a definite chemical composition
    synonyms: minéral
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    amphibole
    a mineral or mineral variety belonging to the amphibole group
    bauxite
    a clay-like mineral; the chief ore of aluminum; composed of aluminum oxides and aluminum hydroxides; used as an abrasive and catalyst
    pigment
    a colored mineral used as a pigment
    opale
    a translucent mineral consisting of hydrated silica of variable color; some varieties are used as gemstones
    minerai
    a mineral that contains metal that is valuable enough to be mined
    quartz
    a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities
    cristal de roche
    a clear quartz used in making electronic and optical equipment
    asbeste
    a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer
    ocre
    any of various earths containing silica and alumina and ferric oxide; used as a pigment
    minerai de fer
    an ore from which iron can be extracted
    type of:
    matière
    the tangible substance that goes into the makeup of a physical object
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