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Chrysoberyl BeAl

Beryllium aluminum silicate, just discussed, is not the only beryllium mineral to occur as precious stones. Chrysoberyl BeAl O with a small amount of iron is also used as a gem. It is usually yeUow, pale green or brown. A transparent variety of chrysoberyl is alexandrite, named after Alexander II, tsar of Russia. It has a green color in daylight but is red in artificial light. [Pg.348]

See other pages where Chrysoberyl BeAl is mentioned: [Pg.775]    [Pg.782]    [Pg.767]    [Pg.774]    [Pg.749]    [Pg.756]    [Pg.870]    [Pg.813]    [Pg.820]    [Pg.861]    [Pg.868]    [Pg.766]    [Pg.773]    [Pg.775]    [Pg.782]    [Pg.767]    [Pg.774]    [Pg.749]    [Pg.756]    [Pg.870]    [Pg.813]    [Pg.820]    [Pg.861]    [Pg.868]    [Pg.766]    [Pg.773]    [Pg.217]   
See also in sourсe #XX -- [ Pg.2 , Pg.4 , Pg.165 , Pg.167 ]



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Beale

Chrysoberyl

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