Scorodite R050465

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Record 2 of 2  


Name: Scorodite
RRUFF ID: R050465
Ideal Chemistry: Fe3+(AsO4)·2H2O
Locality: Minas Gerais, Brazil
Source: University of Arizona Mineral Museum 2449 [view label]
Owner: RRUFF
Description: Group of blue prismatic to tabular crystals displaying many modifying forms
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Quick search: [ All Scorodite samples (2) ]
CHEMISTRY 
RRUFF ID: R050465.2
Sample Description: Microprobe Fragment
Measured Chemistry: Fe3+1.00As1.00O4·2H2O
Reference File: [ View PDF ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050465
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (Processed)
RRUFF File
Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050465.1
Sample Description: Powder
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: R050465.1
Sample Description: Powder
Cell Refinement Output: a: 10.3227(3)Å    b: 8.9510(4)Å    c: 10.0356(5)Å
alpha: 90.°    beta: 90.°    gamma: 90.°   Volume: 927.29(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.

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

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Cell Refinement Data
Cell Refinement Output Data
DIF File
X-ray Data (XY - Processed)
RRUFF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Scorodite

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 (1818) Gattung M. Skorodit., in Handbuch der Mineralogie von C. A. S. Hoffmann, Volume 4 Craz und Gerlach Freiberg 182-185   [view file]

Kiahama K, Kiriyama R, Baba Y (1975) Refinement of the crystal structure of scorodite, Acta Crystallographica, B31, 322-324   [link]

Hawthorne F C (1976) The hydrogen positions in scorodite, Acta Crystallographica, B32, 2891-2892

Flemming R L, Salzsauler K A, Sherriff B L, Sidenko N V (2005) Identification of scorodite in fine-grained, high-sulfide, arsenopyrite mine-waste using micro X-ray diffraction (µXRD), The Canadian Mineralogist, 43, 1243-1254   [view file]

Xu Y, Zhou G P, Zheng X F (2007) Redetermination of iron(III) arsenate dihydrate, Acta Crystallographica, E63, i67-i69

Paktunc D (2015) Phase transformations in the system Fe-AsO4-SO4 and the structure of amorphous ferric arsenate: Implications for arsenic stabilization in mine drainage and industrial effluents, The Canadian Mineralogist, 53, 921-936

Markl G, Keim M F, Bayerl R (2019) Unusual mineral diversity in hydrothermal vein-type deposit: The Clara mine, SW Germany, as a type example, The Canadian Mineralogist, 57, 427-456

Krivovichev S V (2022) Hydrogen bonding in parascorodite and relative stabllity of the Fe(AsO4)·2H2O polymorphs, Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 151, 102-111   [view file]

Ma X, Qi F, Gomez M A, Su R, Yan Z, Yao S, Wang S, Jia Y (2022) Spectroscopic study on the local structure of sulfate (SO42–) incorporated in scorodite (FeAsO4·2H2O) lattice: Implications for understanding the Fe(III)-As(V)-SO42–-bearing minerals formation, American Mineralogist, 107, 1840-1849