Ilvaite R050040

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Record 1 of 2  

Name: Ilvaite
RRUFF ID: R050040
Ideal Chemistry: CaFe3+Fe2+2O(Si2O7)(OH)
Locality: Capo Calamita, Isle of Elba, Italy
Source: University of Arizona Mineral Museum 2949 [view label]
Owner: RRUFF
Description: Brown fragment
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Group: [ Ilvaite (3) ]
Quick search: [ All Ilvaite samples (2) ]
CHEMISTRY 
RRUFF ID: R050040.2
Sample Description: Microprobe Fragment
Measured Chemistry: Ca1.00(Fe2+1.89Mn0.10Mg0.01)Σ=2Fe3+1.00OSi2.00O7(OH); trace amounts of Al; OH estimated by charge balance
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: M00410
Orientation: Laser parallel to  b*  (0 1 0).     Fiducial mark perpendicular to laser is parallel to  c   [0 0 1].
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050040
Wavelength:
Sample Description: Unknown orientation
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050040.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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POWDER DIFFRACTION 
RRUFF ID: R050040.1
Sample Description: Powder
Cell Refinement Output: a: 12.998(1)Å    b: 8.7860(7)Å    c: 5.8409(4)Å
alpha: 90.°    beta: 90.407(3)°    gamma: 90.°   Volume: 667.04(5)Å3    Crystal System: monoclinic
  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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REFERENCES for Ilvaite

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]

Steffens H (1811) Ilvait, in Vollständiges Handbuch der Oryktognosie Erster Theil Halle, Germany 356-358   [view file]

Beran A, Bittner H (1972) Verfeinerung der kristallstruktur von ilvait und messung der protonenresonanz, Neues Jahrbuch für Mineralogie, Monatshefte, 1972, 551-553

Beran A, Bittner H (1974) Untersuchungen zur kristallchemie des ilvaits, Tschermaks Mineralogische und Petrographische Mitteilungen, 21, 11-29

Dunn P J, Cabri L J, Clark A M, Fleischer M (1983) New mineral names, American Mineralogist, 68, 849-852   [view file]

Takéuchi Y, Haga N, Bunno M (1983) X-ray study on polymorphism of ilvaite, HCa(Fe2+)2 Fe3+O2(Si2O7), Zeitschrift für Kristallographie, 163, 267-283   [view file]

Carrozzini B (1994) Crystal structure refinements of ilvaite: new relationships between chemical composition and crystallographic parameters, European Journal of Mineralogy, 6, 465-479

Fehr K T, Schneider J, Hochleitner R, Schmidbauer E (2005) Structure and physical property relations of Mn ilvaite. Part 1: Compositional, structural and Mössbauer data, Physics and Chemistry of Minerals, 32, 388-399

Koch-Müller M, Mrosko M, Gottschalk M, Schade U (2012) Pressure-induced phase transitions in ilvaite studied by in situ micro-FTIR spectroscopy, European Journal of Mineralogy, 24, 831-838