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FeAl2SiO5(OH)2
Monoclinic
Chloritoid, an iron aluminum silicate mineral, is rare at Franklin. It was described by Tony Nikischer in The Picking Table, 36, #2, p. 11 (1995), as grayish green to dark-green foliated radiating platy crystals, in a mass 2 cm wide with garnet, perhaps andradite, although almandine is very possible. It was found on the Buckwheat Dump. It was verified using X-ray diffraction and a microprobe analysis which showed Fe, Al, and Si as major elements.
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| Copyright © 1995 by Pete J. Dunn |
Website
by Herb Yeates
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Link
to homepage
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This
page created: January 11, 2001 |
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