Classify each of the following pigments or gemstones as idiochromatic or allochromatic: (a) Cobalt blue, CoAl 2

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Classify each of the following pigments or gemstones as idiochromatic or allochromatic:

(a) Cobalt blue, CoAl2O4,

(b) Emerald, Be3Al2(SiO3)6:Cr3+,

(c) Yellow ochre, FeOOH.

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Solid State Materials Chemistry

ISBN: 9780521873253

1st Edition

Authors: Patrick M. Woodward, Pavel Karen, John S. O. Evans, Thomas Vogt

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