Barbosalite R070358
Name: Barbosalite
RRUFF ID: R070358
Ideal Chemistry: Fe2+Fe3+2(PO4)2(OH)2
Locality: Bull Moose mine, Custer, Custer District, Custer County, South Dakota, USA
Source: Michael Scott S104945 [view label]
Owner: RRUFF
Description: Dark blue to black massive and with tabular crystals in vugs, associated with pyrite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Lazulite (6) ]
CHEMISTRY 
RRUFF ID: R070358.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe2+0.97Mn0.03)Σ=1Fe3+2.00(P1.00O4)2((OH)1.89F0.11)Σ=2 ; OH estimated by charge balance
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: R070358
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
POWDER DIFFRACTION 
RRUFF ID: R070358.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.297(1)Å    b: 7.476(1)Å    c: 7.389(1)Å
alpha: 90°    beta: 118.507(9)°    gamma: 90°   Volume: 354.3(1)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.

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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Barbosalite

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]

Fleischer M (1954) New mineral names, American Mineralogist, 39, 848-852   [view file]

Lindberg M L, Pecora W T (1954) Tavorite and barbosalite: two new phosphate minerals from Minas Gerais, Brazil, Science, 119, 739-739

Lindberg M L, Pecora W T (1955) Tavorite and barbosalite, two new phosphate minerals from Minas Gerias, Brazil, American Mineralogist, 40, 952-966   [view file]

Lindberg M L, Christ C L (1959) Crystal structures of the isostructural minerals lazulite, scorzalite and barbosalite, Acta Crystallographica, 12, 695-697

Rouzies D, Varloud J, Millet J M M M (1994) Thermal behaviour and physico-chemical characterization of synthetic and natural iron hydroxyphosphates, Journal of Chemical Society, Faraday Transactions, 90, 3335-3339   [view file]

Redhammer G J, Tippelt G, Roth G, Lottermoser W and Amthauer G (2000) Structure and Mössbauer spectroscopy of barbosalite Fe2+Fe3+2(PO4)2(OH)2 between 80 K and 300 K, Physics and Chemistry of Minerals, 27, 419-429

Dyar M D, Jawin E R, Breves E, Marchand G, Nelms M, Lane M D, Mertzman S A, Bish D L and Bishop J L (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data, American Mineralogist, 99, 914-942   [view file]