황수정

황수정 C화학적 특성, 용도, 생산

정의

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.

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황수정 공급 업체

공급자	전화	이메일	국가	제품 수	이점
Alfa Aesar	--	tech@alfa.com	United States	6823	81