Ferri-winchite R060038
Name: Ferri-winchite
RRUFF ID: R060038
Ideal Chemistry: ◻(NaCa)(Mg4Fe3+)Si8O22(OH)2
Locality: Imerina, Madagascar
Source: University of Arizona Mineral Museum 17021 [view label]
Owner: RRUFF
Description: Deep black-blue bladed single crystals embedded in dolomite
Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis.
Mineral Group: [ amphibole (107) ]
Quick search: [ All Ferri-winchite samples (2) ]
CHEMISTRY 
RRUFF ID: R060038.2
Sample Description: Microprobe Fragment
Measured Chemistry: (◻0.70Na0.21K0.09)Σ=1(Na1.40Ca0.60)Σ=2(Mg3.56Fe3+1.06Fe2+0.28Al0.08Ti0.01)Σ=5(Si7.96Al0.04)Σ=8.00O22((OH)1.85F0.15)Σ=2
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: R060038
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
POWDER DIFFRACTION 
RRUFF ID: R060038.9
Sample Description: Single crystal, powder profile is calculated
Cell Refinement Output: a: 9.767(2)Å    b: 17.955(3)Å    c: 5.285(1)Å
alpha: 90°    beta: 104.15(1)°    gamma: 90°   Volume: 898.7(6)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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DIF File
X-ray Data (XY - RAW) View Graph
RRUFF File
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REFERENCES for Ferri-winchite

Leake B E (1978) Nomenclature of amphiboles, American Mineralogist, 63, 1023-1052   [view file]

Sokolova E V, Hawthorne F C, Gorbatova V, McCammon C, Schneider J (2001) Ferrian winchite from the Ilmen mountains, southern Urals, Russia and some problems with the current scheme for amphibole nomenclature, The Canadian Mineralogist, 39, 171-177   [view file]

Burke E A J, Leake B E (2004) "Named amphiboles": a new category of amphiboles recognized by the International Mineralogical Association (IMA), and the proper order of prefixes to be used in amphibole names, The Canadian Mineralogist, 42, 1881-1883   [view file]

Bazhenov A G, Mironov A B, Mufiakhov V A, Khvorov P V (2005) Ferriwinchite NaCaMg4Fe3+[Si8O22](OH,F)2 — a new mineral of the amphibole group (Ilmenogorsky alkaline complex, the South Urals), Zapiski Rossiiskogo Mineralogicheskogo Obshchetstva, 134, issue 3 74-77   [view file]

Ercit T S, Piilonen P C, Locock A J, Kolitsch U, Rowe R (2006) New mineral names, American Mineralogist, 91, 1201-1209   [view file]

Pekov I V (2007) New minerals from former Soviet Union countries, 1998-2006: new minerals approved by the IMA commission on new minerals and mineral names, Mineralogical Almanac, 11, 9-51   [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]