Pyrolusite R040153

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Record 10 of 23  

Name: Pyrolusite
RRUFF ID: R040153
Ideal Chemistry: MnO2
Locality: San Carlos mine, Mapimi, Durango, Mexico
Source: University of Arizona Mineral Museum 4047 [view label]
Owner: RRUFF
Description: Gray massive with small crystals in crevices
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Rutile (23) ]
Quick search: [ All Pyrolusite samples (3) ]
CHEMISTRY 
RRUFF ID: R040153.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn0.97Zn0.02Fe0.01)O2
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R040153
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R040153.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R040153.1
Sample Description: Powder
Cell Refinement Output: a: 4.404(1)Å    b: 4.404(1)Å    c: 2.870(2)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 55.70(3)Å3    Crystal System: tetragonal
  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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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

Curetti N, Merli M, Capella S, Benna P, Pavese A (2019) Low‑pressure ferroelastic phase transition in rutile‑type AX2 minerals: cassiterite (SnO2), pyrolusite (MnO2) and sellaite (MgF2), Physics and Chemistry of Minerals, 46, 987-1002

Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures, American Mineralogist, 105, 1175-1190