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Gormanite R080075

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Name: Gormanite
RRUFF ID: R080075
Ideal Chemistry: Fe2+3Al4(PO4)4(OH)6·2H2O
Locality: Linopolis, Minas Gerais, Brazil
Source: Michael Scott S100786 [view label]
Owner: RRUFF
Description: Parallel aggregates of dark green acicular crystals associated with dark-brown prismatic childrenite (R140428), light-brown needle greifensteinite (R060588), and white fine-grained leucophosphite
Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction.
Mineral Group: [ Souzalite (2) ]
Quick search: [ All Gormanite samples (2) ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R080075
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
POWDER DIFFRACTION 
RRUFF ID: R080075.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 7.277(6)Å    b: 11.812(9)Å    c: 5.142(4)Å
alpha: 90.23(4)°    beta: 110.19(4)°    gamma: 81.32(3)°   Volume: 409.5(2)Å3    Crystal System: triclinic
  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
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RRUFF File
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REFERENCES for Gormanite

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]

Sturman B D, Mandarino J A, Mrose M E, Dunn P J (1981) Gormanite, Fe2+3Al4(PO4)4(OH6)·2H2O, the ferrous analogue of souzalite, and new data for souzalite, The Canadian Mineralogist, 19, 381-387   [view file]

Fleischer M, Cabri L J, Chao G Y, Mandarino J A, Pabst A (1982) New mineral names, American Mineralogist, 67, 621-624   [view file]

Le Bail A, Stephens P W, Hubert F (2003) A crystal structure for the souzalite/gormanite series from synchrotron powder diffraction data, European Journal of Mineralogy, 15, 719-723

Jambor J L, Roberts A C (2004) New mineral names, American Mineralogist, 89, 467-471   [view file]

Frost R L, Erickson K L (2005) Near-infrared spectroscopic study of selected hydrated hydroxylated phosphates, Spectrochimica Acta Part A-Molecular and Biomolecular Spectroscopy, 61, 45-50   [link]

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]