Accueil >  Term: neptunite
neptunite

A monoclinic mineral, KNa2Li(Fe,Mn)2Ti2Si8O24; forms red to black prismatic crystals; occurs in late stages of reduced, silica-deficient environments; e.g., alkaline igneous rocks and veins in serpentinite.

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Créateur

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 points
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