Translate:
English
Chinese (S)
Chinese (T)
Croatian
Dutch
French
German
Hebrew
Italian
Japanese
Korean
Portuguese
Russian
Serbian
Spanish
Swedish
Turkish
Additional
topaz
English Wikipedia - The Free Encyclopedia
Download this dictionary
Topaz
Topaz
is a
silicate mineral
of
aluminium
and
fluorine
with the
chemical formula
Al
2
Si
O
4
(
F
,
OH
)
2
. Topaz crystallizes in the
orthorhombic
system, and its
crystals
are mostly prismatic terminated by pyramidal and other faces.
See more at Wikipedia.org...
© This article uses material from
Wikipedia
®
and is licensed under the
GNU Free Documentation License
and under the
Creative Commons Attribution-ShareAlike License