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  1. Having unsymmetrical parts; not isometric; applied to crystals with three unequal axes. Webster 3rd
  2. Of or relating to a rock of granular texture but having mineral constituents of unequal size. Webster 3rd
  3. A textural term applied to granular rocks in which the grains are of different sizes. Obsolete. The term "seriate" expresses the same texture when the crystals vary gradually or in a continuous series. CF: isodiametric; isometric. Johannsen
    Source: Dictionary of Mining, Mineral, and Related Terms

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