Pyroxmangite R070212



Name: Pyroxmangite
RRUFF ID: R070212
Ideal Chemistry: Mn2+SiO3
Locality: Isanago mine, Ohro (Ōro; Ouro; Ooro), Naka-gun, Kyoto Prefecture, Kinki Region, Honshu Island, Japan
Source: Michael Scott S104978 [view label]
Owner: RRUFF
Description: Pale yellow to brown semitransparent massive associated with quartz
Status: The identification of this mineral has been confirmed only by chemical analysis
Quick search: [ All Pyroxmangite samples (4) ]
CHEMISTRY 
RRUFF ID: R070212.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn0.47Fe2+0.39Mg0.08Ca0.06)Σ=1Si1.00O3 ; veins: (Mn0.35Fe0.26Ca0.22Mg0.17)Σ=1CO3 (rhodochrosite)
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: R070212
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R070212.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R070212.1
Sample Description: Powder
Cell Refinement Output: a: 9.6626(9)Å    b: 10.4669(9)Å    c: 17.379(2)Å
alpha: 112.161(9)°    beta: 103.16(1)°    gamma: 82.763(7)°   Volume: 1583.5(2)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 Pyroxmangite

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]

Ford W E, Bradley W M (1913) Pyroxmangite, a new member of the pyroxene group and its alteration product, skemmatite, American Journal of Science, 186, 169-174   [view file]

Liebau F (1957) The crystal structures of rhodonite, CaMn4[Si5O15], and pyroxmangite, (Ca, Mg)(Mn, Fe)6[Si7O21], Acta Crystallographica, 10, 761-761

Yoshimura T, Shirozu H, Hirowatari F (1958) Bementite and pyroxmangite from the Ichinomata mine, Kumamoto Prefecture, Journal of the Mineralogical Society of Japan, 3, 457-467   [view file]

Manning P G (1968) Absorption spectra of the manganese-bearing chain silicates pyroxmangite, rhodonite, bustamite and serandite, The Canadian Mineralogist, 9, 348-357   [view file]

Pinckney L R, Burnham C W (1988) Effects of compositional variation on the crystal structures of pyroxmangite and rhodonite, American Mineralogist, 73, 798-808   [view file]

Zanazzi P F, Nestola F, Nazzareni S, Comodi P (2008) Pyroxmangite: A high pressure single-crystal study, American Mineralogist, 93, 1921-1928   [view file]