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|   |   | 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 | ||||||||||
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| BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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| POWDER DIFFRACTION | |||||||
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| 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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| REFERENCES for Ferri-winchite | |
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| 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] | |
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