what is topaz the gemstone made out of?

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what is topaz the gemstone made out of?

2007-01-17 03:17:54 · 3 answers · asked by Anonymous in Science & Mathematics ➔ Earth Sciences & Geology

3 answers

Topaz is a silicate of aluminium containing fluorine and hydroxyl( Al2*(SiO4)(OH,F)2). In the past topaz mainly referred to a gemstone, olivine, extracted on an island then known as Topazos or St. John, and is now called Zebirget in the Red Sea.

2007-01-17 03:31:05 · answer #1 · answered by K. C. 3 · 0⤊ 0⤋

Topaz is a mineral, a nesosilicate of aluminium and fluorine with the chemical formula Al2SiO4(F,OH)2. [apparently]
http://en.wikipedia.org/wiki/Topaz

2007-01-17 11:21:18 · answer #2 · answered by Anonymous · 0⤊ 0⤋

Topaz is a mineral, a nesosilicate of aluminium and fluorine with the chemical formula Al2SiO4(F,OH)2

See more with my link

2007-01-17 11:21:53 · answer #3 · answered by maussy 7 · 0⤊ 0⤋