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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. |
Mineral Group: [ Diaspore (11) ] | ||
Quick search: [ All Groutite samples (2) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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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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REFERENCES for Groutite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Gruner J W (1947) Groutite, HMnO2, a new mineral of the diaspore-goethite group, American Mineralogist, 32, 654-659 [view file] |
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Fleischer M (1948) New mineral names, American Mineralogist, 33, 384-386 [view file] |
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Dent Glasser L S, Ingram L (1968) Refinement of the crystal structure of groutite, α-MnOOH, Acta Crystallographica, B24, 1233-1236 |
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Majmundar H H (1969) Ramsdellite and groutite from Nova Scotia, The Canadian Mineralogist, 9, 718-720 [view file] |
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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 |
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Post J E, McKeown D A, Heaney, P J (2020) Raman spectroscopy study of manganese oxides: Tunnel structures, American Mineralogist, 105, 1175-1190 [view file] |
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