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The RRUFF Project is being updated to improve its interface and content. The beta version of the update is accessible to the public at RRUFF.net. New data is only being added to the beta site. Please note that it is in development, and some components are not functional. Existing RRUFF.info links will resolve to the new site after RRUFF.net is officially released.
We are grateful to NASA for the funding of this effort.
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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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