Ferricopiapite R060721

Name: Ferricopiapite
RRUFF ID: R060721
Ideal Chemistry: Fe3+0.67Fe3+4(SO4)6(OH)2·20H2O
Locality: Alcaparrosa mine, near Cerritos Bayos, El Loa Province, Chile
Source: University of Arizona Mineral Museum 8033 [view label]
Owner: RRUFF
Description: Yellow platy crystals associated with parabutlerite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Copiapite (4) ]
RRUFF ID: R060721.2
Sample Description: Microprobe Fragment
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R060721
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060721.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.388(6)Å    b: 18.40(1)Å    c: 7.349(5)Å
alpha: 93.71(2)°    beta: 102.14(2)°    gamma: 98.57(2)°   Volume: 961(4)Å3    Crystal System: triclinic
  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 Ferricopiapite

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]

Posnjak E, Merwin H E (1922) The system, Fe2O3-SO3-H2O, Journal of the American Chemical Society, 44, 1965-1994   [view file]

Berry L G (1939) Proceedings of annual meeting: composition and optics of copiapite, American Mineralogist, 24, 182-182   [view file]

Berry L G (1947) Composition and optics of copiapite, University of Toronto Studies: VI. Geological Series, 51, 21-34   [view file]

Fanfani L, Nunzi A, Zanazzi P F, Zanzari A R (1973) The copiapite problem: the crystal structure of a ferrian copiapite, American Mineralogist, 58, 314-322

Bayliss P, Atencio D (1985) X-ray powder-diffraction data and cell parameters for copiapite-group minerals, The Canadian Mineralogist, 23, 53-56   [view file]

Majzlan J, Kiefer B (2006) An X-ray and neutron-diffraction study of synthetic ferricopiapite, Fe14/3(SO4)6(OD,OH)2(D2O,H2O)20, and ab initio calculations on the structure of magnesiocopiapite, MgFe4(SO4)6(OH)2(H2O)20, The Canadian Mineralogist, 44, 1227-1237   [view file]

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]

Sabron P, Alpers C N (2013) Raman spectroscopy of efflorescent sulfate salts from Iron Mountain Mine Superfund Site, California, Astrobiology, 13, 270-278

Liu Y, Wang A (2015) Dehydration of Na-jarosite, ferricopiapite, and rhomboclase at temperatures of 50 and 95°C: implications for Martian ferric sulfates, Journal of Raman Spectroscopy, 46, 493-500