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TRAPEZOHEDRAL

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Originally appearing in Volume V07, Page 582 of the 1911 Encyclopedia Britannica.

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TRAPEZOHEDRAL CLASS (Trapezohedral-hemihedral) . Six dyad axes of two kinds are perpendicular to the hexad See also:

AXIS (Lat. for " axle ")

axis . The See also:

general See also:

FORM (Lat. forma)

form jhikl} is the hexagonal trapezohedron bounded by twelve trapezoidal faces . The other See also:

SIMPLE

simple forms are geometrically the same as in the See also:

HOLOSYMMETRIC

holosymmetric class . See also:

BARIUM (symbol Ba, atomic weight 137'37 [0=16])

Barium-See also:

ANTI, or CAMPA

anti monyldextro-tartrate+potassiumnitrate(Ba(SbO)2(C4H,06)2•KNO3) and the corresponding See also:

lead See also:

salt crystallize in this class .

End of Article: TRAPEZOHEDRAL

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TRAPEZOPHORON

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