Chalcophanite R050451

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Record 729 of 4043  


Name: Chalcophanite
RRUFF ID: R050451
Ideal Chemistry: ZnMn4+3O7·3H2O
Locality: Morenci mine, Morenci, Greenlee County, Arizona, USA
Source: University of Arizona Mineral Museum 12296 [view label]
Owner: RRUFF
Description: A mass of small black hexagonal plates, not homogeneous
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Chalcophanite samples (3) ]
CHEMISTRY 
RRUFF ID: R050451.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Zn0.60Fe2+0.20Cu0.12Fe3+0.08)Σ=1(Mn4+2.92Fe3+0.08)Σ=3O7·3H2O ; = bright phase. The gray phase is jacobsite (Mn0.65Zn0.25Cu0.09)Σ=1(Fe3+1.58Mn3+0.42)Σ=2O4; dark phase: K-feldspar
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: R050451
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050451.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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RRUFF ID: R050451.1
Sample Description: Powder
Instrument settings: PIKE GladiATR - Far-IR on a Nicolet Magna 860 FTIR
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POWDER DIFFRACTION 
RRUFF ID: R050451.1
Sample Description: Powder, cell parameters are from single crystal
Cell Refinement Output: a: 7.55(3)Å    b: 7.55(3)Å    c: 20.86(11)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 1029(1)Å3    Crystal System: hexagonal
  File Type Information Close
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 Chalcophanite

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]

Moore G E (1875) On chalcophanite, a new mineral species, The American Chemist, 6, 1-2   [view file]

Wadsley A D (1950) Synthesis of some hydrated manganese minerals, American Mineralogist, 35, 485-499   [view file]

Post J E, Appleman D E (1988) Chalcophanite, ZnMn3O7·3H2O: New crystal-structure determinations, American Mineralogist, 73, 1401-1404   [view file]

Jambor J L, Grew E S (1994) New mineral names, American Mineralogist, 79, 387-391   [view file]

Post J E, Heaney P J (2014) Time-resolved synchrotron X-ray diffraction study of the dehydration behavior of chalcophanite, American Mineralogist, 99, 1956-1961   [view file]