Brandtite R070170
Name: Brandtite
RRUFF ID: R070170
Ideal Chemistry: Ca2Mn2+(AsO4)2·2H2O
Locality: Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden
Source: Michael Scott S103207 [view label]
Owner: RRUFF
Description: Aggregate of colorless prismatic to platy crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
CHEMISTRY 
RRUFF ID: R070170.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca1.99Pb0.01)Σ=2(Mn2+0.99Mg0.01)Σ=1(As1.00O4)2·2.01H2O; H2O estimated by difference
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: R070170
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 785nm @ 100% of 500mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070170.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 5.878(1)Å    b: 12.956(5)Å    c: 5.678(2)Å
alpha: 90°    beta: 108.04(1)°    gamma: 90°   Volume: 411.1(7)    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 Brandtite

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]

Nordenskiöld A E (1888) Presentation at the Royal Academy of Sciences, Stockholm, 12 September, 1888, Öfversigt af Kongl. Vetenskaps-Akademiens Förhandlingar, 45, 417-419   [view file]

Dahlman B (1952) The crystal structures of kröhnkite, CuNa2(SO4)2·2H2O and brandtite, MnCa2(AsO4)2·2H2O, Arkiv för Mineralogi och Geologi, 1, 339-366

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

Hawthorne F C, Ferguson R B (1977) The crystal structure of roselite, The Canadian Mineralogist, 15, 36-42   [view file]

Fleck M, Kolitsch U, Hertweck B (2002) Natural and synthetic compounds with kröhnkite-type chains: review and classification, Zeitschrift für Kristallographie, 217, 435-443

Herwig S, Hawthorne F C (2006) The topology of hydrogen bonding in brandtite, collinsite and fairfieldite, The Canadian Mineralogist, 44, 1181-1196   [view file]