TOPAZ

Product Name
TOPAZ
Chemical Name
TOPAZ
Synonyms
TOPAZ;CITRINE;Tongs for crucible carrier;Topaz, naturally occuring mineral, grains, approximately 0.06-0.19in
CBNumber
CB2369709
Molecular Formula
Al2SiO4(F,OH)2approximate
Formula Weight
191.23
MOL File
Mol file
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Hazard and Precautionary Statements (GHS)

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TOPAZ Chemical Properties,Usage,Production

Definition

A hydrous aluminosilicate mineral containing some fluoride ions, used for making refractories, glasses, and glazes. A clear pale yellow or brown form is used as a gemstone.

Definition

topaz: A variably coloured aluminiumsilicate mineral,Al2(SiO4)(OH,F)2, that forms orthorhombiccrystals. It occurs chieflyin acid igneous rocks, such as granitesand pegmatites. Topaz is valuedas a gemstone because of its transparency,variety of colours (the wineyellowvariety being most highly prized), and great hardness (8 on theMohs’ scale). When heated, yellow orbrownish topaz often becomes arose-pink colour. The main sources oftopaz are Brazil, Russia, and the USA.

TOPAZ Preparation Products And Raw materials

Raw materials

Preparation Products

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TOPAZ Suppliers

United States 1 Global 1
Alfa Aesar
Tel
--
Fax
--
Email
tech@alfa.com
Country
United States
ProdList
6814
Advantage
81

TOPAZRelated Search:


  • TOPAZ
  • CITRINE
  • Topaz, naturally occuring mineral, grains, approximately 0.06-0.19in
  • Tongs for crucible carrier
  • Al2SiO4FOH2approximate