Accueil >  Term: novackite
novackite

A monoclinic mineral, (Cu,Ag)21As10; pseudotetragonal; forms steel-gray granular aggregates; at Cerny Dul, Czech Republic.

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Créateur

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 points
  • 100% positive feedback
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