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Name: Manganite RRUFF ID: R070269 Ideal Chemistry: Mn3+O(OH) Locality: Wessels mine, Hotazel, Kalahari manganese field, Northern Cape Province, South Africa Source: Michael Scott S102942 [view label] Owner: RRUFF Description: Divergent black acicular crystals (with dark brown lights) associated with gaudefroyite in gypsum cleavage plate Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Rutile (23) ] | ||
Quick search: [ All Manganite samples (3) ] |
CHEMISTRY | ||||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R070269.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 5.306(1)Å b: 5.258(2)Å c: 5.303(2)Å alpha: 90° beta: 114.13(2)° gamma: 90° Volume: 135.05(8)Å3 Crystal System: monoclinic |
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REFERENCES for Manganite | |
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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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Haidinger W (1826) On the crystalline forms and properties of the manganese ores, The Edinburgh Journal of Science, 4, 41-50 [view file] |
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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] |
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Larsen E S (1921) The microscopic determination of the nonopaque minerals, U.S. Geological Survey Bulletin, 671, 5-294 [view file] |
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Buerger M J (1936) The symmetry and crystal structure of manganite, Mn(OH)O, Zeitschrift für Kristallographie, 95, 163-174 [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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Suzuki A (2013) Compression behavior of manganite, Journal of Mineralogical and Petrological Sciences, 108, 295-299 |
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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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