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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.
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Name: Frondelite RRUFF ID: R050622 Ideal Chemistry: (Mn2+0.5Fe3+0.5)2Fe3+3(PO4)3(OH)5 Locality: Hagendorf, Bavaria, Germany Source: University of Arizona Mineral Museum 2647 [view label] Owner: RRUFF Description: Black bladed crystals in divergent radial aggregates Status: The identification of this mineral is confirmed by single-crystal X-ray diffraction and chemical analysis. |
Mineral Group: [ Rockbridgeite (3) ] |
CHEMISTRY | ||||||||
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RAMAN SPECTRUM | ||||||||||||
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BROAD SCAN WITH SPECTRAL ARTIFACTS | ||||||||||||
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INFRARED SPECTRUM (Attenuated Total Reflectance) | |||||||||||||
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POWDER DIFFRACTION | |||||||
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RRUFF ID: | R050622.1 | ||||||
Sample Description: | Powder, cell parameters are from single crystal | ||||||
Cell Refinement Output: |
a: 13.958(7)Å b: 16.794(8)Å c: 5.175(1)Å alpha: 90° beta: 90° gamma: 90° Volume: 1212.9(5)Å3 Crystal System: orthorhombic |
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REFERENCES for Frondelite | |
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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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Lindberg M L (1949) Frondelite and the frondelite-rockbridgeite series, American Mineralogist, 34, 541-549 [view file] |
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Redhammer G J, Roth G, Tippelt G, Bernroider M, Lottermoser W, Amthauer G, Hochleitner R (2006) Manganoan rockbridgeite Fe4.32Mn0.62Zn0.06(PO4)3(OH)5: structure analysis and 57Fe Mössbauer spectroscopy, Acta Crystallographica, C62, i24-i28 |
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Dyar M D, Jawin E R, Breves E, Marchand G, Nelms M, Lane M D, Mertzman S A, Bish D L and Bishop J L (2014) Mössbauer parameters of iron in phosphate minerals: Implications for interpretation of martian data, American Mineralogist, 99, 914-942 [view file] |
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Grey I E, Williams T, Kampf A R, Cashion J D, Gozukara Y, MacRae C M, Keck E (2018) Non-stoichiometry and local order in minerals with the rockbridgeite structure, European Journal of Mineralogy, 30, 773-783 |
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Hålenius U, Hatert F, Pasero M, Mills S J (2018) IMA Commission on New Minerals, Nomenclature and Classification (CNMNC) Newsletter 41. New minerals and nomenclature modifications approved in 2017 and 2018, Mineralogical Magazine, 82, 229–233 [view file] |
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Grey I E, Kampf A R, Keck E, Cashion J D, MacRae C M, Gozukara Y, Peterson V K, Shanks F L (2019) The rockbridgeite group approved and a new member, ferrorockbridgeite, (Fe2+,Mn2+)2(Fe3+)3(PO4)3(OH)4(H2O), described from the Hagendorf Süd pegmatite, Oberpfalz, Bavaria, European Journal of Mineralogy, 31, 389-397 [view file] |
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