Bertrandite (Be4(OH)2O(SiO3)2)

Bertrandite (Be4(OH)2O(SiO3)2) 化学特性,用途語,生産方法

• 化学的特性

  Transparent, colorless to pale-yellow, beryllium silicate with orthorhombic crystals.

• 物理的性質

  Habit: well formed prismatic or tabullar hexagonal crystals, with pinacoidal {1010}, {0001}, or prism {1120} or pyramidal terminations.
  Luster: vitreous (i.e., glassy).
  Diaphaneity: translucent to transparent.
  Color: colorless or pale yellow.
  Streak: white.
  Cleavage: [001] perfect, [110] distinct, [101] distinct.
  Fracture: brittle.
  Occurrence: commonly found in Be-bearing pegmatites and may be derived from the alteration of beryl.

• 危険性

  Carcinogen.

• 工業用途

  Beryllia, and beryllium chemicals

• 安全性プロファイル

  Confirmed carcinogen. Whenheated to decomposition it emits very toxic fumes of BeO.

Bertrandite (Be4(OH)2O(SiO3)2) 生産企業

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