Finnemanite R140329

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Record 2 of 2  


Name: Finnemanite
RRUFF ID: R140329
Ideal Chemistry: Pb5(As3+O3)3Cl
Locality: Långban, Varmland, Sweden
Source: Benjamin N. Schumer [view label]
Owner: RRUFF
Description: Dark grey prismatic crystals, associated with hematite
Status: The identification of this mineral has been confirmed by single-crystal X-ray diffraction.
Mineral Group: [ Apatite (56) ]
Quick search: [ All Finnemanite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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RRUFF ID: R140329
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 65% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R140329.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 10.310(2)Å    b: 10.310(2)Å    c: 7.071(1)Å
alpha: 90°    beta: 90°    gamma: 120°   Volume: 650.86(7)Å3    Crystal System: hexagonal
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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 Finnemanite

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]

Aminoff G (1923) Finnemanit, ett nytt blyarsenit från Långban (Finnemanite, a new lead arsenite from Långban), Geologiska Föreningens i Stockholm Förhandlingar, 45, 160-163   [view file]

Wherry E T (1923) New minerals: new species, American Mineralogist, 8, 230-231   [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

Effenberger H, Pertlik F (1978) Die kristallstruktur des finnemanits, Pb5Cl(AsO3)3, mit einem vergleich zum strukturtyp des chlorapatits, Ca5Cl(PO4)3, Tschermaks Mineralogische und Petrographische Mitteilungen, 26, 95-107

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]

Baikie T, Ferraris C, Klooster W T, Madhavi S, Pramana S S, Pring A, Schmidt G, White T J (2008) Crystal chemistry of mimetite, Pb10(AsO4)6Cl1.48O0.26, and finnemanite, Pb10(AsO3)6Cl2, Acta Crystallographica, B64, 34-41   [view file]

Baikie R, Schreyer M, Wei F, Herrin J S, Ferraris C, Brink F, Topolska J, Piltz R O, Price J, White T J (2014) The influence of stereochemically active lone-pair electrons on crystal symmetry and twist angles in lead apatite-2H type structures, Mineralogical Magazine, 78, 325-345