Alleghanyite R070378

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Record 2 of 2  


Name: Alleghanyite
RRUFF ID: R070378
Ideal Chemistry: Mn2+5(SiO4)2(OH)2
Locality: Franklin, Sussex County, New Jersey, USA
Source: William W. Pinch [view label] [view label]
Owner: RRUFF
Description: Pinkish-brown massive, exposed by etching
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Quick search: [ All Alleghanyite samples (2) ]
CHEMISTRY 
RRUFF ID: R070378.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn2+4.43Mg0.57)Σ=5(Si1.00O4)2(OH)2; OH estimated by difference and charge balance
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: R070378
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 785nm @ 100% of 500mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070378.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 4.8577(6)Å    b: 10.673(1)Å    c: 8.207(1)Å
alpha: 108.524(5)°    beta: 90°    gamma: 90°   Volume: 403.4(1)    Crystal System: monoclinic
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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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Alleghanyite

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]

Ross C S, Kerr P F (1932) The manganese minerals of a vein near Bald Knob, North Carolina, American Mineralogist, 17, 1-18   [view file]

Rogers A F (1935) The chemical formula and crystal system of alleghanyite, American Mineralogist, 20, 25-35   [view file]

Rentzeperis P J (1970) The crystal structure of alleghanyite, Mn5[(OH)2|(SiO4)2], Zeitschrift für Kristallographie, 132, 1-18   [view file]