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CaH(AsO4).2H2O
Monoclinic
Pharmacolite, a calcium arsenate hydrate mineral, occurs at Sterling Hill as minute, colorless, radiating crystals on red-fluorescent calcite, associated with picropharmacolite and calcite. Pharmacolite was verified by Dr. Eugene Foord of the U. S. Geological Survey, using X-ray and chemical analytical methods. It is fluorescent in shortwave ultraviolet with a weak violet response color. It is not known from Franklin and is rare locally.
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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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