TOPAZ Chemische Eigenschaften,Einsatz,Produktion Methoden

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 Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte

TOPAZ Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Firmenname	Telefon	E-Mail	Land	Produktkatalog	Edge Rate
Absin Bioscience Inc.	--	chenjw@absin.cn	CHINA	6208	58
Alfa Aesar	--	tech@alfa.com	United States	6814	81

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