Zwieselite R050279

Name: Zwieselite
RRUFF ID: R050279
Ideal Chemistry: Fe2+2(PO4)F
Locality: Cornelia mine, Hagendorf, Bavaria, Germany
Source: Marcus Origlieri
Owner: RRUFF
Description: Brown massive associated with bluish-gray triphylite R050366
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Triplite (7) ]
RRUFF ID: R050279.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe2+1.08Mn2+0.86Ca0.06)Σ=2(P1.00O4)F1.00
Sample Description: Unoriented sample

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RRUFF ID: R050279
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050279.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
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RRUFF ID: R050279.1
Sample Description: Powder
Cell Refinement Output: a: 12.071(2)Å    b: 10.004(2)Å    c: 6.4968(7)Å
alpha: 90°    beta: 90°    gamma: 106.98(2)°   Volume: 750.3(2)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.

  File Type Information Close
Output file from the Bruker D8 Advance instrument. Includes device headers and XY data.

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REFERENCES for Zwieselite

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]

Breithaupt J F A (1841) Phyletites ferrosus oder Zwiselit, in Vollständige Charakteristik des Mineral-Systems 2nd Edition Arnoldische Buchhandlung Dresden and Leipzig 299-300   [view file]

Yakubovich O V, Simonov M A, Matvienko E N, Belov N V (1978) The crystal structure of the synthetic finite Fe-term of the series triplite - zwieselite Fe2(PO4)F, Doklady Akademii Nauk SSSR, 238, 576-579   [view file]

Roda-Robles E, Pesquera A, García de Madinabeitia S , Gil Ibarguchi J, Nizamoff J, Simmons W, Falster A, Galliski M A (2014) On the geochemical character of primary Fe-Mn phosphates belonging to the triphylite-lithiophilite, graftonite-beusite, and triplite-zwieselite series: first results and implications for pegmatite petrogenesis, The Canadian Mineralogist, 52, 321-335   [view file]

Miyawaki R, Hatert F, Pasero M, Mills S J (2019) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 50. New minerals and nomenclature modifications approved in 2019, Mineralogical Magazine, 83, 615-620   [view file]