Beraunite R060696

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Record 433 of 4084  

Name: Beraunite
RRUFF ID: R060696
Ideal Chemistry: Fe2+Fe3+5(PO4)4(OH)5·6H2O
Locality: Three Oak Gap, Shady, Polk County, Arkansas, USA
Source: Bob Jenkins [view label]
Owner: RRUFF
Description: Reddish brown bladed crystals in radial aggregates
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ Beraunite (2) ]
Quick search: [ All Beraunite samples (2) ]
RRUFF ID: R060696.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Fe2+0.98Mn0.02)Σ=1Fe3+5.00(P1.00O4)4(OH)5·6H2O
Microprobe Data File: [ Download Excel File ]
Sample Description: Unoriented sample.

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RRUFF ID: R060696
Sample Description: Unoriented sample.
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
RRUFF ID: R060696.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 20.676(6)Å    b: 5.133(3)Å    c: 19.199(8)Å
alpha: 90°    beta: 93.55(2)°    gamma: 90°   Volume: 2033.6(7)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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REFERENCES for Beraunite

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 A (1840) Beraunit, ein neues Glied der Phyllit - Ordung, Journal für Praktische Chemie, 20, 66-67   [view file]

Breithaupt J F A (1841) Beraunit, 2, in Vollständige Charakteristik des Mineral-Systems Arnoldische Buchhandlung Dresden and Leipzig 136-136   [view file]

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

Fanfani L, Zanazzi P F (1967) The crystal structure of beraunite, Acta Crystallographica, 22, 173-181

Cossato Y M F, Orlandi P, Pasero M (1989) Manganese–bearing beraunite from Mangualde, Portugal: mineral data and structure refinement, The Canadian Mineralogist, 27, 441-446   [view file]

Moore P B, Kampf A R (1992) Beraunite: Refinement, comparative crystal chemistry, and selected bond valences, Zeitschrift für Kristallographie, 201, 263-281   [view file]