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desmine

A former name for stilbite, a monoclinic and triclinic mineral, Na2Ca4(Al10Si26O72).34H2O ; zeolite group, with K replacing Na; forms sheaflike crystal aggregates and radiated masses in cavities in igneous rocks, as an alteration of plagioclase, or in hydrothermal veins.

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  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 分数
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