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Yoshimuraite R050266
Name: Yoshimuraite
RRUFF ID: R050266
Ideal Chemistry: Ba4Mn2+4Ti2(Si2O7)2(PO4)2O2(OH)2
Locality: Taguchi mine, Shidara, Kitashidara-Gun, Aichi Prefecture, Japan
Source: Marcus Origlieri
Owner: RRUFF
Description: Brown tabular crystals associated with katophorite, R050633.
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Epistolite (9) ]
CHEMISTRY 
RRUFF ID: R050266.2
Sample Description: Microprobe fragment
Measured Chemistry: (Ba1.82Sr0.18)Σ=2(Ti0.78Fe3+0.22)Σ=1(Mn2+1.62Fe2+0.38)Σ=2O(Si2.00O7)((P0.59S0.41)Σ=1O4)((OH)0.81O0.19)Σ=1; OH estimated by charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
DOWNLOADS:

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Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050266
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R050266.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.012(1)Å    b: 14.775(3)Å    c: 5.3979(9)Å
alpha: 93.63(1)°    beta: 89.86(1)°    gamma: 95.57(1)°   Volume: 555.5(1)Å3    Crystal System: triclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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 Yoshimuraite

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]

Fleischer M (1960) New mineral names, American Mineralogist, 45, 476-480   [view file]

Fleischer M (1961) New mineral names, American Mineralogist, 46, 1513-1520   [view file]

Watanabe T, Takéuchi Y, Ito J (1961) The minerals of the Noda-Tamagawa mine, Iwaté Prefecture, Japan. III. Yoshimuraite, a new barium-titanium-manganese silicate mineral, Mineralogical Journal, 3, 156-167   [view file]

International Mineralogical Association (1967) Commission on new minerals and mineral names, Mineralogical Magazine, 36, 131-136   [view file]

McDonald A M, Grice J D, Chao G Y (2000) The crystal structure of yoshimuraite, a layered Ba–Mn–Ti silicophosphate, with comments on five–coordinated Ti4+, The Canadian Mineralogist, 38, 649-656   [view file]

Jambor J L, Roberts A C (2001) New mineral names, American Mineralogist, 86, 197-200   [view file]

Sokolova E (2006) From structure topology to chemical composition. I. Structural hierarchy and stereochemistry in titanium disilicate minerals, The Canadian Mineralogist, 44, 1273-1330   [view file]

Sokolova E, Cámara F (2014) From structure topology to chemical composition. XVII. Fe3+ versus Ti4+: The topology of the HOH layer in ericssonite-2O, Ba2Fe3+2Mn4(Si2O7)2O2(OH)2, ferroericssonite, Ba2Fe3+2Fe2+4(Si2O7)2O2(OH)2, and yoshimuraite, Ba4Ti4+2Mn4(Si2O7)2(PO4)2O2(OH)2, The Canadian Mineralogist, 52, 569-576