Bixbyite R050395


Name: Bixbyite
RRUFF ID: R050395
Ideal Chemistry: Mn3+2O3
Locality: Thomas Range, Juab County, Utah, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Black cube modified with octahedral corners
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Bixbyite (2) ]
CHEMISTRY 
RRUFF ID: R050395.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe3+1.09Mn3+0.83Al0.04Ti0.03   0.01)Σ=2O3
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 785nm @ 100% of 500 mW
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INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050395.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050395.1
Sample Description: Powder
Cell Refinement Output: a: 9.4124(3)Å    b: 9.4124(3)Å    c: 9.4124(3)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 833.88(7)Å3    Crystal System: cubic
  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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Bixbyite

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]

Penfield S L, Foote H W (1897) On bixbyite, a new mineral, and notes on the associated topaz, American Journal of Science, 154, 105-108   [view file]

Dachs H (1956) Die kristallstruktur des bixbyits (Fe,Mn)2O3, Zeitschrift für Kristallographie, 107, 370-395   [view file]

Moore P B, Araki T (1976) Braunite: its structure and relationship to bixbyite, and some insights on the genealogy of fluorite derivative structures, American Mineralogist, 61, 1226-1240   [view file]

de Villiers J P R (1980) The crystal structure of braunite II and its relation to bixbyite and braunite, American Mineralogist, 65, 756-765   [view file]

Bevan D J M, Martin R L (2008) The role of the coordination defect: A new structural description of four fluorite-related sesquioxide minerals, bixbyite (Mn2O3), braunite (Mn7SiO12), braunite II (CaMn14SiO24), parwelite (Mn10Sb2As2Si2O24), and their structural relationships, Journal of Solid State Chemistry, 181, 2250-2259