Johannsenite R140753

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Name: Johannsenite
RRUFF ID: R140753
Ideal Chemistry: CaMnSi2O6
Locality: Franklin, Franklin Mining District, Sussex County, New Jersey, USA
Source: Rock Currier [view label]
Owner: RRUFF
Description: Vitreous white small prismatic striated crystals on tips and edges of pink rhodochrosite crystals on beige fine granular matrix, associated with prismatic colorless willemite.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ pyroxene (81) ]
Quick search: [ All Johannsenite samples (2) ]
CHEMISTRY 
RRUFF ID: R140753.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca0.97Na0.02)(Mn2+0.86Mg0.11Fe0.04Zn0.02)(Si1.99Al0.01)O6
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R140753
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 10% of 150mW
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Raman Data (Processed)
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R140753.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.911(4)Å    b: 9.106(3)Å    c: 5.269(1)Å
alpha: 90°    beta: 105.02(2)°    gamma: 90°   Volume: 459.3(2)Å3    Crystal System: monoclinic
  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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Johannsenite

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]

Johannsenite, a new manganese pyroxene (1938) Schaller W T, American Mineralogist, 23, 575-582   [view file]

Hutton C O (1956) Manganpyrosmalite, bustamite, ferroan johannsenite from Broken Hill, New South Wales, Australia, American Mineralogist, 41, 581-591   [view file]

Cameron M, Papike J J (1981) Structural and chemical variations in pyroxenes, American Mineralogist, 66, 1-50   [view file]

Morimoto N (1988) Nomenclature of pyroxenes, Mineralogical Magazine, 52, 535-550   [view file]

Nakano T (1991) An antipathetic relation between the hedenbergite and johannsenite components in skarn clinopyroxene from the Kagata tungsten deposit, central Japan, The Canadian Mineralogist, 29, 427-434   [view file]

Makreski P, Jovanovski G, Gajović A, Biljan T, Angelovski D, Jaćimović R (2006) Minerals from Macedonia. XVI. Vibrational spectra of some common appearing pyroxenes and pyroxenoids, Journal of Molecular Structure, 788, 102-114

Nestola F, Boffa Ballaran T, Angel RJ, Zhao J, Ohashi H (2010) High-pressure behavior of Ca/Na clinopyroxenes: The effect of divalent and trivalent 3d-transition elements, American Mineralogist, 95, 832-838