Mcgovernite R110030
Name: Mcgovernite
RRUFF ID: R110030
Ideal Chemistry: Mn19Zn3(AsO3)(AsO4)3(SiO4)3(OH)21
Locality: Sterling Hill mine, Odgensberg, Sussex County, New Jersey, USA
Source: William W Pinch [view label]
Owner: RRUFF
Description: Dark orange-brown micaceous crystals
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R110030
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R110030.9
Sample Description: Single crystal, powder profile is calculated. There is a strong subcell with 1/6 c (c ~ 33 A).
Cell Refinement Output: a: 8.191(2)Å    b: 8.191(2)Å    c: 201.65(9)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 11717(3)    Crystal System: hexagonal
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REFERENCES for Mcgovernite

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]

Palache C, Bauer L H (1927) McGovernite, a new mineral from Sterling Hill, New Jersey, American Mineralogist, 12, 373-374   [view file]

Moore P B, Araki T (1978) Hematolite: a complex dense-packed sheet structure, American Mineralogist, 63, 150-159   [view file]

Dunn P J, Nelen J A (1980) Kraisslite and mcgovernite: new chemical data, American Mineralogist, 65, 957-960   [view file]