구리(II)철(II)이황화물

구리(II)철(II)이황화물 화학적 특성, 용도, 생산

• 화학적 성질

  yellow brass colored crystal(s); tetr; hardness 3.5–4.0; chalcopyrite is an ore; can be synthesized by reacting KFeS with ammonia copper solution; used in semiconductor research [MER06]

• 물리적 성질

  Habit: rare tetrahedral disphenoidal crystals, botryoidal, striated, druse, usually zoned.
  Color: brass yellow or honey yellow.
  Luster: metallic.
  Diaphaneity: opaque.
  Streak: greenish black.
  Cleavage: {011}, {111}.
  Fracture: uneven, brittle.
  Twinning: {112}.
  Chemical: attacked by HNO3, corroded by a mixture of KOH + KMnO4.
  Occurrence: veins and disseminated in metamorphic and igneous rocks (e.g., gabbros, norites).
  Others: n-type semiconductor with ΔEg = 0.01 eV–0.03 eV. Electrical resistivity 150 to 9000 μΩ.cm., melting point 950°C.

• 용도

  The ore as source of copper. The synthetic material in semiconductor research.

• 정의

  ChEBI: A sulfide mineral with formula CuFeS2. Chalcopyrite is the most important copper ore

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