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Name: Akrochordite RRUFF ID: R100028 Ideal Chemistry: MnMn2Mn2(AsO4)2(OH)4(H2O)4 Locality: Langban, Filipstad, Varmland, Sweden Source: William W. Pinch [view label] Owner: RRUFF Description: Radiating groups of pale pink prismatic crystals associated with pale green co-type (Flink 32/22) eveite, R100048 Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction. |
Mineral Group: [ Akrochordite (2) ] |
RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R100028.9 | ||||||
Sample Description: | Single crystal, powder profile is calculated | ||||||
Cell Refinement Output: |
a: 5.675(1)Å b: 17.597(4)Å c: 6.814(1)Å alpha: 90° beta: 99.53(1)° gamma: 90° Volume: 671.0(2)Å3 Crystal System: monoclinic |
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REFERENCES for Akrochordite | |
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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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Flink G (1922) Akrochordit, ett nytt mineral från Långbans gruvor, Geologiska Föreningens i Stockholm Förhandlingar, 44, 773-776 [view file] |
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Shannon E V, Wherry E T (1923) New minerals: doubtful species, American Mineralogist, 8, 167-169 [view file] |
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Fleischer M (1968) New mineral names, American Mineralogist, 53, 1775-1780 [view file] |
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Welin E (1968) Notes on the mineralogy of Sweden 6. X-ray powder data for minerals from Långban and the related mineral deposits of Central Sweden, Arkiv för Mineralogi och Geologi, 4, 499-541 |
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Moore P B, Sen Gupta P K, Schlemper E O (1989) Akrochordite, (Mn, Mg)5(OH)4(H2O)4(AsO4)2: A sheet structure with amphibole walls, American Mineralogist, 74, 256-262 [view file] |
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Bosi F, Miyawaki R, Hatert F, Pasero M, Mills S J (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 71, Mineralogical Magazine, 87, 332-335 [view file] |
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Bosi F, Miyawaki R, Hatert F, Pasero M, Mills S J (2023) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) – Newsletter 71, European Journal of Mineralogy, 35, 75-79 [view file] |
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