Coquimbite R060638

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Record 891 of 4033  


Name: Coquimbite
RRUFF ID: R060638
Ideal Chemistry: Fe3+2(SO4)3·9H2O
Locality: Dexter no. 7 mine, Calf Mesa, San Rafael Swell, Emery County, Utah, USA
Source: University of Arizona Mineral Museum 15636
Owner: RRUFF
Description: Purple blocky crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Coquimbite (3) ]
Quick search: [ All Coquimbite samples (3) ]
CHEMISTRY 
RRUFF ID: R060638.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe3+1.43Al0.57)Σ=2(S1.00O4)3·9H2O; trace amounts of As; H2O estimated by difference
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060638
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060638.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.915(1)Å    b: 10.915(1)Å    c: 17.080(2)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1762.4(3)Å3    Crystal System: hexagonal
  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 Coquimbite

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]

Rose H (1833) Ueber einige in Südamerika vorkommende eisenoxydsalze, Annalen der Physik und Chemie, 27, 309-319   [view file]

Breithaupt J F A (1841) Coquimbites ferricus kürzer Coquimbit, in Vollständiges Handbuch der Mineralogie, Volume 2 Arnoldische Buchhandlung Dresden and Leipzig 100-100   [view file]

Cesbron F (1964) Contribution a la Mineralogie des sulphates de fer hydrates, Bulletin de la Société Française de Minéralogie et de Cristallographie, 87, 125-143   [view file]

Fang J H, Robinson P D (1970) Crystal structures and mineral chemistry of hydrated ferric sulfates. I. The crystal structure of coquimbite, American Mineralogist, 55, 1534-1540   [view file]

Fang J H, Robinson P D (1971) Crystal structures and mineral chemistry of hydrated ferric sulphates: II. The crystal structure of paracoquimbite, American Mineralogist, 56, 1567-1572   [view file]

Bailey S W (1977) Report of the I.M.A-I.U.Cr. Joint Committee on Nomenclature, American Mineralogist, 62, 411-415   [view file]

Bariand P, Cesbron F, Berthelon J-P (1977) Les sulfates de fer de Saghand près de Yazd (Iran), Mémoire Hors-Série de la Société Géologique de France, 8, 77-85   [view file]

Giester G, Miletich R (1995) Crystal structure and thermal decomposition of the coquimbite-type compound Fe2(SeO4)3·9H2O, Neues Jahrbuch für Mineralogie, Monatshefte, 1995, 211-223

Majzlan J, Navrotsky A, McCleskey R B, Alpers C N (2006) Thermodynamic properties and crystal structure refinement of ferricopiapite, coquimbite, rhomboclase, and Fe2(SO4)3(H2O)5, European Journal of Mineralogy, 18, 175-186

Lane M D (2007) Mid-infrared emission spectroscopy of sulfate and sulfate-bearing minerals, American Mineralogist, 92, 1-18   [view file]

Demartin F, Castellano C, Gramaccioli C M, Campostrini I (2010) Aluminum-for-iron substitution, hydrogen bonding, and a novel structure-type in coquimbite-like minerals, The Canadian Mineralogist, 48, 323-333   [view file]

Yang Z, Giester G (2018) Structure refinements of coquimbite and paracoquimbite from the Hongshan Cu-Au deposit, NW China, European Journal of Mineralogy, 30, 849-858