Rockbridgeite R060858

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Name: Rockbridgeite
RRUFF ID: R060858
Ideal Chemistry: (Fe2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5
Locality: Tip Top mine, Custer County, South Dakota, USA
Source: Marcus Origlieri
Owner: RRUFF
Description: Dark reddish brown elongated prismatic crystals associated with jahnsite-(CaMnMg), R060213
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Rockbridgeite (3) ]
Quick search: [ All Rockbridgeite samples (2) ]
CHEMISTRY 
RRUFF ID: R060858.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe2+0.62Mn2+0.33Mg0.05)Σ=1Fe3+4.00(P1.00O4)3(OH)5; OH estimated by difference; Fe2+ and Fe3+ by charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented Raman on the primary sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R060858
Wavelength:
Sample Description: Unoriented Raman on the primary 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: R060858.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 13.975(2)Å    b: 16.814(2)Å    c: 5.1706(8)Å
alpha: 90°    beta: 90°    gamma: 90°   Volume: 1214.9(4)Å3    Crystal System: orthorhombic
  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.

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DIF File
X-ray Data (XY - Processed)
RRUFF File
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REFERENCES for Rockbridgeite

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]

Frondel C (1949) The dufrenite problem, American Mineralogist, 34, 513-540   [view file]

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, 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

Birch W D (2018) Minerals in the arrojadite, alluaudite and jahnsite-whiteite groups from the Mount Wills pegmatite field, Victoria, Australia, European Journal of Mineralogy, 30, 635-645

Grey I E, Kampf A R, Keck E, MacRae C M, Cashion J D, Gozukara Y (2018) Crystal chemistry of schoonerite-group minerals, European Journal of Mineralogy, 30, 621-634   [view file]

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]