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Name: Hercynite RRUFF ID: R170039 Ideal Chemistry: Fe2+Al2O4 Locality: Baldissero, Torino, Piemonte Source: Rock Currier [view label] Owner: UAMM Description: Massive dark green crystals, associated with ferrosilite Status: The identification of this mineral has been confirmed only by single crystal X-ray diffraction. |
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| Mineral Group: [ Spinel (66) ] | ||
| Quick search: [ All Hercynite samples (3) ] | ||
| POWDER DIFFRACTION | |||||
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| RRUFF ID: | R170039.9 | ||||
| Sample Description: | Single crystal, powder profile is calculated | ||||
| Cell Refinement Output: |
a: 8.1256(25)Å b: 8.1256(25)Å c: 8.1256(25)Å alpha: 90° beta: 90° gamma: 90° Volume: 536.49(5)Å3 Crystal System: cubic |
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| REFERENCES for Hercynite | |
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American Mineralogist Crystal Structure Database Record: [view record] |
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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] |
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Zippe F X M (1839) Ueber den Hercinit, eine bisher unbekannt gebliebene Spezies des Mineralreiches, Verhandlungen der Gesellschaft des Vaterländischen Museums in Böhmen, 1839, 19-27 [view file] |
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Verwey E J W, Heilmann E L (1947) Physical properties and cation arrangement of oxides with spinel structures, Journal of Chemical Physics, 15, 174-180 |
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Bernier L R (1990) Vanadiferous zincian-chromian hercynite in a metamorphosed basalt-hosted alternation zone, Atik Lake, Manitoba, The Canadian Mineralogist, 28, 37-50 [view file] |
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Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mössbauer spectroscopy, European Journal of Mineralogy, 6, 39-51 |
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Harrison R J, Redfern S A T, O'Neil H St. C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements, American Mineralogist, 83, 1092-1099 [view file] |
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Lavina B, Cesare B, Álvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4, American Mineralogist, 94, 657-665 [view file] |
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Bromiley G D, Gatta G D, Stokes T (2015) Manganese incorporation in synthetic hercynite, Mineralogical Magazine, 79, 635-647 |
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Nestola F, Periotto B, Anzolini C, Andreozzi G B, Woodland A B, Lenaz D, Alvaro M, Princivalle F (2015) Equation of state of hercynite, FeAl2O4, and high-pressure systematics of Mg-Fe-Cr-Al spinels, Mineralogical Magazine, 79, 285-294 |
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Jastrzębska I, Szczerba J, Błachowski A, Stoch P (2017) Structure and microstructure evolution of hercynite spinel (Fe2+Al2O4) after annealing treatment, European Journal of Mineralogy, 29, 63-72 |
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Bosi F, Biagioni C, Pasero M (2019) Nomenclature and classification of the spinel supergroup, European Journal of Mineralogy, 31, 183-192 [view file] |
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