Frondelite R050622
Name: Frondelite
RRUFF ID: R050622
Ideal Chemistry: (Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5
Locality: Hagendorf, Bavaria, Germany
Source: University of Arizona Mineral Museum 2647 [view label]
Owner: RRUFF
Description: Black bladed crystals in divergent radial aggregates
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Rockbridgeite (3) ]
CHEMISTRY 
RRUFF ID: R050622.2
Sample Description: Microprobe fragment
Measured Chemistry: (Mn2+0.63Fe2+0.37)Σ=1Fe3+4.00(P1.00O4)3(OH)5
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050622
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
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Raman Data (RAW) View Graph
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INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050622.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
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POWDER DIFFRACTION 
RRUFF ID: R050622.1
Sample Description: Powder, cell parameters are from single crystal
Cell Refinement Output: a: 13.958(7)Å    b: 16.794(8)Å    c: 5.175(1)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1212.9(5)Å3    Crystal System: orthorhombic
  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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X-ray Data (XY - Processed)
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X-ray Data (XY - RAW) View Graph
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REFERENCES for Frondelite

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]

Lindberg M L (1949) Frondelite and the frondelite-rockbridgeite series, American Mineralogist, 34, 541-549   [view file]

Redhammer G J, Roth G, Tippelt G, Bernroider M, Lottermoser W, Amthauer G, Hochleitner R (2006) Manganoan rockbridgeite Fe4.32Mn0.62Zn0.06(PO4)3(OH)5: structure analysis and 57Fe Mössbauer spectroscopy, Acta Crystallographica, C62, i24-i28

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]

Grey I E, Williams T, Kampf A R, Cashion J D, Gozukara Y, MacRae C M, Keck E (2018) Non-stoichiometry and local order in minerals with the rockbridgeite structure, European Journal of Mineralogy, 30, 773-783

Hålenius U, Hatert F, Pasero M, Mills S J (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 41. New minerals and nomenclature modifications approved in 2017 and 2018, Mineralogical Magazine, 82, 229–233   [view file]

Grey I E, Kampf A R, Keck E, Cashion J D, MacRae C M, Gozukara Y, Peterson V K, Shanks F L (2019) The rockbridgeite group approved and a new member, ferrorockbridgeite, (Fe2+,Mn2+)2(Fe3+)3(PO4)3(OH)4(H2O), described from the Hagendorf Süd pegmatite, Oberpfalz, Bavaria, European Journal of Mineralogy, 31, 389-397   [view file]