Ferri-pedrizite R070344

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Record 1378 of 4216  


Name: Ferri-pedrizite
RRUFF ID: R070344
Ideal Chemistry: NaLi2(Mg2Fe3+2Li)Si8O22(OH)2
Locality: east Pedriza Massif, Sierra de Guadarrama, Spain
Source: Michael Scott S105090 [view label]
Owner: RRUFF
Description: Black bladed crystals
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Groups: [ amphibole (107) ] [ amphiboles Na-Ca-Mg-Fe-Mn-Li (1) ]
CHEMISTRY 
RRUFF ID: R070344.2
Sample Description: Microprobe Fragment
Measured Chemistry: (Na0.780.10Ca0.06K0.06)Σ=1Li2.00[Fe3+2.52Mg0.99Fe2+0.20Al0.16Mn0.07Ti0.03Cr0.03Li1.00]Si8.00O22((OH)1.27F0.73)Σ=2; H2O from stoichiometry after deducting F; Li2O by difference
Microprobe Data File: [ Download Excel File ]
RAMAN SPECTRUM 
RRUFF ID:
Sample Description: Unoriented sample
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BROAD SCAN WITH SPECTRAL ARTIFACTS
RRUFF ID: R070344
Wavelength:
Sample Description: Unoriented sample
Instrument settings: Thermo Almega XR 532nm @ 100% of 150mW
POWDER DIFFRACTION 
RRUFF ID: R070344.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.663(6)Å    b: 17.84(1)Å    c: 5.279(4)Å
alpha: 90°    beta: 103.40(3)°    gamma: 90°   Volume: 885.4(7)Å3    Crystal System: monoclinic
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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 Ferri-pedrizite

American Mineralogist Crystal Structure Database Record: [view record]

Caballero J M, Oberti R, Ottolini L (2002) Ferripedrizite, a new monoclinic BLi amphibole end-member from the Eastern Pedriza Massif, Sierra de Guadarrama, Spain, and a restatement of the nomenclature of Mg-Fe-Mn-Li amphiboles, American Mineralogist, 87, 976-982   [view file]

Leake B E, Woolley A R, Birch W D, Burke E A J, Ferraris G, Grice J D, Hawthorne F C, Kisch H J, Krivovichev V G, Schumacher J C, Stephenson N C N, Whittaker E J W (2003) Nomenclature of amphiboles: additions and revisions to the International Mineralogical Association’s 1997 recommendations, The Canadian Mineralogist, 41, 1355-1362   [view file]

Hawthorne F C, Oberti R, Harlow G E, Maresch W V, Martin R F, Schumacher J C, Welch M D (2012) Nomenclature of the amphibole supergroup, American Mineralogist, 97, 2031-2048   [view file]