Magnussonite R100027

Name: Magnussonite
RRUFF ID: R100027
Ideal Chemistry: Mn2+10As3+6O18(OH,Cl)2
Locality: Langban, Filipstad, Varmland, Sweden
Source: William W. Pinch [view label]
Owner: RRUFF
Description: Dark green massive, associated with brown armangite R100041, and white nadorite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Magnussonite (1) ]
RRUFF ID: R100027.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn9.10Fe0.26Cu0.26Ca0.10)As6.19O18(OH1.78Cl0.22)
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented Raman on the primary sample

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RRUFF ID: R100027
Sample Description: Unoriented Raman on the primary sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R100027.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 19.670(2)Å    b: 19.670(2)Å    c: 19.670(2)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 7609.9(3)Å3    Crystal System: cubic
  File Type Information Close
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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REFERENCES for Magnussonite

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]

Gabrielson O (1956) Magnussonite, a new arsenite mineral from the Långban mine in Sweden, Arkiv för Mineralogi och Geologi, 2, 133-135

Fleischer M (1957) New mineral names, American Mineralogist, 42, 580-586   [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

Fleischer M (1971) New mineral names, American Mineralogist, 56, 631-640   [view file]

Moore P B, Araki T (1979) Magnussonite, manganese arsenite, a fluorite derivative structure, American Mineralogist, 64, 390-401   [view file]

Dunn P J, Ramik R A (1984) Magnussonite, new chemical data, an occurrence at Sterling Hill, New Jersey, and new data on a related phase from the Brattfors mine, Sweden, American Mineralogist, 69, 800-802   [view file]

Hålenius U, Lindqvist B (1996) Chromophoric divalent iron in optically anisotropic magnussonite, European Journal of Mineralogy, 8, 25-34

Nysten P (2003) Yeatmanite and magnussonite from the Garpenberg Norra mine, Bergslagen ore province, Sweden, The Canadian Mineralogist, 41, 201-206   [view file]