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Name: Shigaite RRUFF ID: R080090 Ideal Chemistry: Mn6Al3(OH)18[Na(H2O)6](SO4)2·6H2O Locality: Ioi Mine, Shiga Prefecture, Kinki Region, Honshu Island, Japan Source: Michael Scott S103622 [view label] Owner: RRUFF Description: Semi-transparent, dull-yellow to pale yellow coating Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
| Mineral Groups: [ Woodwardite (5) ] [ Hydrotalcite (22) ] | ||
| RAMAN SPECTRUM | ||||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| RRUFF ID: | R080090.9 | ||||||
| Sample Description: | Single crystal, powder profile is calculated | ||||||
| Cell Refinement Output: |
a: 9.514(2)Å b: 9.514(2)Å c: 33.09(1)Å alpha: 90° beta: 90° gamma: 120° Volume: 2594(1)Å3 Crystal System: hexagonal |
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| REFERENCES for Shigaite | |
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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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Peacor D R, Dunn P J, Kato A, Wicks F J (1985) Shigaite, a new manganese aluminum sulfate mineral from the Loi mine, Shiga, Japan, Neues Jahrbuch für Mineralogie, Monatshefte, 1985, 453-457 |
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Hawthorne F C, Bladh K W, Burke E A J, Ercit S, Grew E S, Grice J D, Puziewicz J, Roberts A C, Schedler R A, Shigley J E (1986) New mineral names, American Mineralogist, 71, 1543-1548 [view file] |
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Cooper M A, Hawthorne F C (1996) The crystal structure of shigaite, [AlMn2+2(OH)6]3(SO4)2Na(H2O)6(H2O)6, a hydrotalcite-group mineral, The Canadian Mineralogist, 34, 91-97 [view file] |
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Jambor J L, Kovalenker V A, Puziewics J, Roberts A C (1996) New mineral names, American Mineralogist, 81, 1282-1286 [view file] |
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Mills S J, Christy A G, Génin J -M R, Kameda T, Colombo F (2012) Nomenclature of the hydrotalcite supergroup: natural layered double hydroxides, Mineralogical Magazine, 76, 1289-1336 [view file] |
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