realgar

realgar 화학적 특성, 용도, 생산

• 물리적 성질

  Habit: prismatic, massive, granular, druse, earthy.
  Color: aurora red, orange yellow, or dark red.
  Diaphaneity: translucent to opaque.
  Luster: resinous, glassy, adamantine.
  Streak: orange red.
  Cleavage: [010], [001], and [100].
  Twinning: (100).
  Fracture: brittle, sectile.
  Chemical: dissolved by HNO3, evolved a garlic odor when calcinated and gives sublimated As2O3 deposit on cold wall.
  Electrical resistivity 1 to 150 mΩ.m.
  Occurrence: hydrothermal with orpiment. Marcasite, and stibine. Sedimentary rocks.

• 정의

  realgar: A red mineral form of arsenic(II) sulphide, As²S².

realgar 준비 용품 및 원자재