Magnesiocopiapite R060155

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Record 2387 of 4216  


Name: Magnesiocopiapite
RRUFF ID: R060155
Ideal Chemistry: MgFe3+4(SO4)6(OH)2·20H2O
Locality: Denver mine, Santa Cruz County, Arizona, USA
Source: University of Arizona Mineral Museum 12789 [view label]
Owner: RRUFF
Description: Yellow fine-grained efflorescence
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Copiapite (4) ]
CHEMISTRY 
RRUFF ID: R060155.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mg0.95Mn0.05)Σ=1(Fe3+3.56Al0.44)Σ=4(S1.00O4)6(OH)2·17H2O ; H not measured but 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: R060155
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R060155.1
Sample Description: Powder
Cell Refinement Output: a: 7.358(6)Å    b: 18.799(7)Å    c: 7.386(5)Å
alpha: 91.26(5)°    beta: 102.22(5)°    gamma: 98.83(3)°   Volume: 985.1(0)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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Magnesiocopiapite

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]

Berry L G (1938) Composition and optics of copiapite, American Mineralogist, 23, 3-3   [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]

Süsse P (1972) Crystal structure and hydrogen bonding of copiapite, Zeitschrift für Kristallographie, 135, 34-55

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, Michallik R (2007) The crystal structures, solid solutions and infrared spectra of copiapite-group minerals, Mineralogical Magazine, 71, 553-569   [view file]

Mauro D, Biagioni C, Pasero M, Skogby H (2019) Crystal-chemistry of sulfates From the Apuan Alps (Tuscany, Italy). III. Mg-rich sulfate assemblages from the Fornovolasco mining complex, Atti della Società Toscana di Scienze Naturali, Memorie, Serie A, 126, 33-44

Biagioni C, Mauro D, Pasero M (2020) Sulfates from the pyrite ore deposits of the Apuan Alps (Tuscany, Italy): A review, Minerals, 10, 1092   [view file]