Bertrandit (Be4(OH)2O(SiO3)2) Chemische Eigenschaften,Einsatz,Produktion Methoden
Chemische Eigenschaften
Transparent, colorless to pale-yellow, beryllium silicate with orthorhombic crystals.
Physikalische Eigenschaften
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.
Hazard
Carcinogen.
Industrielle Verwendung
Beryllia, and beryllium chemicals
Sicherheitsprofil
Confirmed carcinogen. Whenheated to decomposition it emits very toxic fumes of BeO.
Bertrandit (Be4(OH)2O(SiO3)2) Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte