Allactite R070175

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Record 76 of 4034  


Name: Allactite
RRUFF ID: R070175
Ideal Chemistry: Mn2+7(AsO4)2(OH)8
Locality: Langban, Filipstad, Varmland, Sweden
Source: Michael Scott S102971 [view label]
Owner: Michael Scott
Description: Brownish red vitreous massive
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Allactite (3) ]
Quick search: [ All Allactite samples (2) ]
CHEMISTRY 
RRUFF ID: R070175.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Mn6.85Mg0.10Ca0.05)Σ=7(As1.00O4)2(OH)8 ;to (Mn6.75Mg0.19Ca0.16)Σ=7(As1.00O4)2(OH)8
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070175
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R070175.1
Sample Description: Powder
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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POWDER DIFFRACTION 
RRUFF ID: R070175.1
Sample Description: Powder
Cell Refinement Output: a: 11.0319(7)Å    b: 12.2656(5)Å    c: 5.5155(3)Å
alpha: 90°    beta: 114.229(6)°    gamma: 90°   Volume: 680.57(5)Å3    Crystal System: monoclinic
  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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Allactite

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]

Sjögren A (1884) Kristallografiska studier: VII Allaktit från Nordmarken, Geologiska Föreningens i Stockholm Förhandlingar, 7, 220-236   [view file]

Sjögren H (1885) Ueber die Manganarseniate von Nordmarken in Wermland, Zeitschrift für Kristallographie, 10, 113-155   [view file]

Moore P B (1968) Crystal chemistry of the basic manganese arsenate minerals: II. The crystal structure of allacite, American Mineralogist, 53, 733-741   [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 (1973) New mineral names, American Mineralogist, 58, 560-562   [view file]

International Mineralogical Association (1980) International Mineralogical Association: Commission on new minerals and mineral names, Mineralogical Magazine, 43, 1053-1055   [view file]

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]

Gatta G D, Bosi F, Fernandez-Diaz M T, Hålenius U (2016) H-bonding scheme in allactite: a combined single-crystal X-ray and neutron diffraction, optical absorption spectroscopy, FTIR and EPMA-WDS study, Mineralogical Magazine, 80, 719-732