| Facts and Figures |
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| name of sample |
feldspar |
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| origin |
crushed piece of Feldspar rock from Finland |
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| main constituents |
K-feldspar, plagioclase, quartz |
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| particle size |
distributions measured with laser
diffraction |
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reff=1.0
micrometer, veff =1.0 |
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| particle shape |
irregular (SEM image) |
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| refractive index |
estimated
to be in the range: |
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1.5-1.6 - i0.001-0.00001 |
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| color |
light pink to white powder |
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| scattering matrix |
from 5-173 degrees scattering angle |
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| wavelength |
441.6 nm (figure) |
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632.8 nm (figure) |
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632.8 nm |
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| article |
Scattering matrices of mineral
particles at 441.6 nm and 632.8 nm. |
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Volten H, Muņoz O, Rol E, de Haan
JF, Vassen W, Hovenier JW, Muinonen K, Nousiainen T. |
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Journal of Geophysical Research, 106,
17375-17401,2001 |
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