Epidote R050064

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Record 10 of 31  


Name: Epidote
RRUFF ID: R050064
Ideal Chemistry: Ca2(Al2Fe3+)[Si2O7][SiO4]O(OH)
Locality: East Xichang City, Meigu County, Sichuan Province, China
Source: Rock Currier
Owner: RRUFF
Description: Green prismatic crystals
Status: The identification of this mineral has been confirmed by X-ray diffraction and chemical analysis
Mineral Groups: [ epidote (31) ] [ clinozoisite (16) ]
Quick search: [ All Epidote samples (13) ]
CHEMISTRY 
RRUFF ID: R050064.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Ca1.99Mn0.01)Σ=2Fe3+1.00Al2.00(Si2.00O7)(Si1.00O4)O(OH);
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Sample is oriented, mounted onto a pin and polished
Pin ID: L00552
Orientation: Laser parallel to  a*  (1 0 0).     Fiducial mark perpendicular to laser is parallel to  -b   [0 -1 0].
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  orientation angle.
Direction of polarization of laser relative to fiducial mark:
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R050064
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
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Raman Data (RAW) View Graph
RRUFF File
INFRARED SPECTRUM (Attenuated Total Reflectance) 
RRUFF ID: R050064.1
Instrument settings: SensIR Durascope on a Nicolet Magna 860 FTIR
Resolution:
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Infrared Data (Processed)
RRUFF File
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POWDER DIFFRACTION 
RRUFF ID: R050064.1
Sample Description: Powder
Cell Refinement Output: a: 8.901(1)Å    b: 5.6460(5)Å    c: 10.167(2)Å
alpha: 90.°    beta: 115.32(1)°    gamma: 90.°   Volume: 461.88(6)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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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 Epidote

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]

Haüy R J (1801) Epidote, Traité de Minéralogie, 3, 102-113   [view file]

Weinschenk E (1896) Ueber Epidot und Zoisit, Zeitschrift für Kristallographie, 26, 156-177   [view file]

Ito T (1947) The structure of epidote (HCa2(Al,Fe)Al2Si3O13), American Mineralogist, 32, 309-321   [view file]

Hutton C O (1950) Studies of heavy detrital minerals, Bulletin of the Geological Society of America, 61, 635-710   [view file]

Ito T, Morimoto N, Sadanaga R (1954) On the structure of epidote, Acta Crystallographica, 7, 53-59

Burns R G, Strens R G J (1967) Structurel interpretation of polarized absorption spectra of the Al-Fe-Mn-Cr epidotes, Mineralogical Magazine, 36, 204-226   [view file]

Gabe E J, Portheine J C, Whitlow S H (1973) A reinvestigation of the epidote structure: confirmation of the iron location, American Mineralogist, 58, 218-223   [view file]

LeAnderson P J (1981) Calculation of temperature and X(CO2) values for tremolite—K–feldspar—diopside—epidote assemblages, The Canadian Mineralogist, 19, 619-630   [view file]

Spear F S (1982) Phase equilibria of amphibolites from the post pond volcanics, Mt. cube quadrangle, Vermont, Journal of Petrology, 23, 383-426

de Lummen G V M (1986) Tin-bearing epidote from skarn in the Land's End aureole, Cornwall, England, The Canadian Mineralogist, 24, 411-415   [view file]

Farrow C E G, Barr S M (1992) Petrology of high-Al-hornblende- and magmatic-epidote-bearing plutons in the southeastern Cape Breton Highlands, Nova Scotia, The Canadian Mineralogist, 30, 377-392   [view file]

Bonazzi P, Menchetti S (1994) Structural variations induced by heat treatment in allanite and REE-bearing piemontite, American Mineralogist, 79, 1176-1184   [view file]

Artioli G, Quartieri S, Deriu A (1995) Spectroscopic data on coexisting prehnite-pumpellyite and epidote-pumpellyite, The Canadian Mineralogist, 33, 67-75   [view file]

Menchetti S, Bonazzi P (1995) Monoclinic members of the epidote group: effects of the Al⇔Fe3+⇔Fe2+ substitution and of the entry of REE3+, Mineralogy and Petrology, 53, 133-153

Shannon R D, Shannon R C, Medenbach O, Fischer R X (2002) Refractive index and dispersion of fluorides and oxides, Journal of Physical and Chemical Reference Data, 31, 931-970   [view file]

Liebscher A (2004) Spectroscopy of epidote minerals, Reviews in Mineralogy and Geochemistry, 56, Mineralogical Society of America 125-170

Armbruster T, Bonazzi P, Akasaka M, Bermanec V, Chopin C, Giere R, Huess-Assbichler S, Liebscher A, Menchetti S, Pan Y, Pasero M (2006) Recommended nomeclature of epidote-group minerals, European Journal of Mineralogy, 18, 551-567   [view file]

Ercit T S, Piilonen P C, Rowe R (2007) New mineral names, American Mineralogist, 92, 1539-1542   [view file]

Nagashima M, Akasaka M (2010) X-ray Rietveld and 57Fe Mössbauer studies of epidote and piemontite on the join Ca2Al2Fe3+Si3O12(OH) - Ca2Al2Mn3+Si3O12(OH) formed by hydrothermal synthesis, American Mineralogist, 95, 1237-1246   [view file]

Nagashima M (2011) Pumpellyite-, sursassite-, and epidote-type structures: common principles-individual features, Journal of Mineralogical and Petrological Sciences, 106, 211-222

MacDonald R, Bagiński B, Kartashov P M, Zozulya D, Dzierżanowski (2015) Interaction of rare-metal minerals with hydrothermal fluids: Evidence from quartz-epidote metasomatites of the Haldzan Buragtag Massif, Mongolian Altai, The Canadian Mineralogist, 53, 1015-1034