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Name: Pharmacolite RRUFF ID: R070517 Ideal Chemistry: Ca(AsO3OH)·2H2O Locality: Getchell mine, Adam Peak, Potosi District, Humboldt County, Nevada, USA Source: James Shigley [view label] Owner: RRUFF Description: Spherical aggregates of white acicular crystals Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
Mineral Group: [ Gypsum (12) ] | ||
Quick search: [ All Pharmacolite samples (2) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R070517.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 6.020(7)Å b: 15.51(2)Å c: 6.337(6)Å alpha: 90° beta: 115.21(4)° gamma: 90° Volume: 535.1(9)Å3 Crystal System: monoclinic |
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REFERENCES for Pharmacolite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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Anthony J W, Bideaux R A, Bladh K W, and Nichols M C (1990) Handbook of Mineralogy, Mineral Data Publishing, Tucson Arizona, USA, by permission of the Mineralogical Society of America. [view file] |
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Karsten D L G (1800) Anmerkungen, in Mineralogische Tabellen Heinrich August Rottmann Berlin 75-75 [view file] |
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Klaproth M H (1801) Neueste analysen einiger fossilien. V. Chemische untersuchung der pharmacoliths, Allgemeines Journal der Chemie, 7, 67-71 [view file] |
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Klaproth M H (1804) Examination of pharmacolite, in Analytical Essays Towards Promoting the Chemical Knowledge of Mineral Substances. Volume 2 T. Cadell and W. Davies London 220-223 [view file] |
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Schrauf A (1880) Ueber Arsenate von Joachimsthal 1. Mixit, ein neues Kupferwismuthhydroarsenat, Zeitschrift für Kristallographie, 4, 277-285 [view file] |
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Church A H (1895) A chemical study of some native arsenates and phosphates, Mineralogical Magazine, 11, 1-12 [view file] |
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Harris D C (1966) Some observations on pharmacolite, The Canadian Mineralogist, 8, 530-531 [view file] |
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Ferraris G (1969) The crystal structure of pharmacolite, CaH(AsO4)·2H20, Acta Crystallographica, B25, 1544-1550 |
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Ferraris G, Jones D W, Yerkess J (1971) Determination of hydrogen atom positions in the crystal structure of pharmacolite, CaHAsO4(H2O)2, by neutron diffraction, Acta Crystallographica, B27, 349-354 |
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Catti M, Ferraris G (1973) Hydrogen bonding in the crystalline state. Crystal structure of CaHAsO4.3H2O, Acta Crystallographica, B29, 90-96 |
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Frost R L, Bahfenne S, Čejka J, Sejkora J, Plášil J, Palmer S J (2010) Raman spectroscopic study of the hydrogen-arsenate mineral pharmacolite Ca(AsO3OH)·2H2O - implications for aquifer and sediment remediation, Journal of Raman Spectroscopy, 41, 1348-1352 |
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