Pyrolusite R050361

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Record 2 of 2  


Name: Pyrolusite
RRUFF ID: R050361
Ideal Chemistry: MnO2
Locality: Serra do Navio, Amapa, Brazil
Source: University of Arizona Mineral Museum 11514 [view label]
Owner: RRUFF
Description: Black prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Pyrolusite samples (2) ]
CHEMISTRY 
RRUFF ID: R050361.2
Sample Description: Microprobe Fragment
Measured Chemistry: Mn1.00O2
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Sample
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  orientation angle.
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050361
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
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050361.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
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POWDER DIFFRACTION 
RRUFF ID: R050361.1
Sample Description: powder
Cell Refinement Output: a: 4.4123(5)Å    b: 4.4123(5)Å    c: 2.8710(8)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 55.89(2)    Crystal System: tetragonal
  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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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Pyrolusite

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]

Haidinger W (1827) Description of pyrolusite, or prismatic manganese ore, The Edinburgh Journal of Science, 9, 304-309   [view file]

Turner E (1828) Chemical examination of the oxides of manganese. Part II. On the composition of the ores of manganese described by Mr. Haidinger, The Philosophical Magazine, 4, 96-104   [view file]

Fleischer M, Richmond W E, Evans H T (1962) Studies of the manganese oxides. V. Ramsdellite, MnO2, an orthorhombic dimorph of pyrolusite, American Mineralogist, 47, 47-58   [view file]

International Mineralogical Association (1982) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 46, 513-514   [view file]

Kohler T, Armbruster T, Libowitzky E (1997) Hydrogen bonding and Jahn-Teller distortion in groutite, α-MnOOH, and manganite, γ-MnOOH, and their relations to the manganese dioxides ramsdellite and pyrolusite, Journal of Solid State Chemistry, 133, 486-500