Allactite R070175



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
CHEMISTRY 
RRUFF ID: R070175.2
Sample Description: Microprobe Fragment
Measured Chemistry: cryptic zoned from: (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)    Crystal System: monoclinic
  File Type Information Close
Calculated diffraction file.

  File Type Information Close
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]

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, issue 30 499-541

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]