Ellenbergerite Visible Spectra
(300 - 900 nm)
Ellenbergerite is Mg6(Mg,Ti,Zr)2Al6Si8O28(OH)10
Image of the ellenbergerite
absorption spectrum
- ellenbergerite
spectrum;
from the Dora Maira Massif, Western Alps, Italy. Replotted from the
original data in Chopin
& Langer (1988) Bulletin de Mineralogie 111, 17-27.
Plotted as 1.0 cm thick. The color of this material is reported to come
from intervalence charge transfer between face-sharing
Fe2+
- Ti4+
octahedra.
Link
to references to ellenbergerite color and spectra
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revised
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