Akrochordite R100028
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 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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RRUFF ID: R100028
Wavelength:
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 25% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
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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Calculated diffraction file.

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Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Akrochordite

American Mineralogist Crystal Structure Database Record: [view record]

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]

Flink G (1922) Akrochordit, ett nytt mineral från Långbans gruvor, Geologiska Föreningens i Stockholm Förhandlingar, 44, 773-776   [view file]

Shannon E V, Wherry E T (1923) New minerals: doubtful species, American Mineralogist, 8, 167-169   [view file]

Fleischer M (1968) New mineral names, American Mineralogist, 53, 1775-1780   [view file]

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

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]

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]

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]