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A crystalline form that is readily recognized by its planar faces. Euhedral minerals are recognize by their characteristic crystalline faces. In a rock where mos of the grains are euhedral, the fabric is said to be idomorphic granular.

Synonyms and Related Terms

automorphic; idiomorphic; euédrico (Port.); automórfico (Port.); idiomórfico (Port.)

Sources Checked for Data in Record

  • Walter C. McCrone, John Gustave Delly, The Particle Atlas, W. McCrone Associates, Chicago, IV, 1972
  • Submitted information Comment: José Delgado Rodrigues, LNEC, 2009.

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