Groutite R070583



Name: Groutite
RRUFF ID: R070583
Ideal Chemistry: Mn3+O(OH)
Locality: Marble Canyon, Gunnison County, Colorado, USA
Source: James Shigley [view label]
Owner: RRUFF
Description: Black elongated prismatic
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Quick search: [ All Groutite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070583
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070583.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.682(3)Å    b: 2.8705(3)Å    c: 4.555(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 139.68(5)Å3    Crystal System: orthorhombic
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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Groutite

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]

Gruner J W (1947) Groutite, HMnO2, a new mineral of the diaspore-goethite group, American Mineralogist, 32, 654-659   [view file]

Fleischer M (1948) New mineral names, American Mineralogist, 33, 384-386   [view file]

Dent Glasser L S, Ingram L (1968) Refinement of the crystal structure of groutite, α-MnOOH, Acta Crystallographica, B24, 1233-1236

Majmundar H H (1969) Ramsdellite and groutite from Nova Scotia, The Canadian Mineralogist, 9, 718-720   [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