Pharmacolite R070517

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) ]
Sample Description: Unoriented sample

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RRUFF ID: R070517
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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
  File Type Information Close
Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Pharmacolite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Karsten D L G (1800) Anmerkungen, in Mineralogische Tabellen Heinrich August Rottmann Berlin 75-75   [view file]

Klaproth M H (1801) Neueste analysen einiger fossilien. V. Chemische untersuchung der pharmacoliths, Allgemeines Journal der Chemie, 7, 67-71   [view file]

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]

Schrauf A (1880) Ueber Arsenate von Joachimsthal 1. Mixit, ein neues Kupferwismuthhydroarsenat, Zeitschrift für Kristallographie, 4, 277-285   [view file]

Church A H (1895) A chemical study of some native arsenates and phosphates, Mineralogical Magazine, 11, 1-12   [view file]

Harris D C (1966) Some observations on pharmacolite, The Canadian Mineralogist, 8, 530-531   [view file]

Ferraris G (1969) The crystal structure of pharmacolite, CaH(AsO4)·2H20, Acta Crystallographica, B25, 1544-1550

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

Catti M, Ferraris G (1973) Hydrogen bonding in the crystalline state. Crystal structure of CaHAsO4.3H2O, Acta Crystallographica, B29, 90-96

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