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Name: Gedrite RRUFF ID: R050339 Ideal Chemistry: Mg2(Mg3Al2)(Si6Al2)O22(OH)2 Locality: Bamble, Telemark, Norway Source: California Institute of Technology W-203 Owner: RRUFF Description: Dark gray cleavage fragment Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis |
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| POWDER DIFFRACTION | ||||||||
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| RRUFF ID: | R050339.1 | |||||||
| Sample Description: | Powder | |||||||
| Cell Refinement Output: |
a: 18.5639(9)Å b: 17.8341(8)Å c: 5.2750(3)Å alpha: 90.° beta: 90.° gamma: 90.° Volume: 1746.4(1) Crystal System: orthorhombic |
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| REFERENCES for Gedrite | |
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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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Dufrénoy M (1836) Description de la gédrite, nouvelle espèce minérale, Annales des Mines, 10, 582-584 [view file] |
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Kamineni D C, Wong A S (1973) Gedrite from the Yellowknife-Beaulieu region, District of Mackenzie, N.W.T., The Canadian Mineralogist, 11, 1012-1015 [view file] |
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Leake B E (1978) Nomenclature of amphiboles, American Mineralogist, 63, 1023-1052 [view file] |
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Leake B E, Woolley A R, Arps C E S, Birch W D, Gilbert M C, Grice J D, Hawthorne F C, Kato A, Kisch H J, Krivovichev V G, Linthout K, Laird J, Mandarino J A, Maresch W V, Nickel E H, Rock N M S, Schumacher J C, Smith D C, Stephenson N C N, Ungaretti L, Whittaker E J W, Youzhi G (1997) Nomenclature of amphiboles: report of the Subcommittee on Amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names, The Canadian Mineralogist, 35, 219-246 [view file] |
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Peck W H, Valley J W (2000) Genesis of cordieritegedrite gneisses, Central Metasedimentary Belt boundary thrust zone, Grenville Province, Ontario, Canada, The Canadian Mineralogist, 38, 511-524 [view file] |
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Leake B E, Woolley A R, Birch W D, Burke E A J, Ferraris G, Grice J D, Hawthorne F C, Kisch H J, Krivovichev V G, Schumacher J C, Stephenson N C N, Whittaker E J W (2003) Nomenclature of amphiboles: additions and revisions to the International Mineralogical Associations 1997 recommendations, The Canadian Mineralogist, 41, 1355-1362 [view file] |
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Hinchey A M, Carr S D (2007) Protolith composition of cordieritegedrite basement rocks and garnet amphibolite of the Bearpaw Lake area of the ThorOdin dome, Monashee Complex, British Columbia, Canada, The Canadian Mineralogist, 45, 607-629 [view file] |
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