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Jahnsite

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Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 167–172.
...Anthony R. Kampf; Pedro Alves; Anatoly Kasatkin; Radek Škoda Jahnsite-(MnMnZn) (IMA2017-113), Mn 2 2 + Zn 2 Fe 2 3 + ( PO 4 ) 4 ( OH ) 2 ∙ 8 H 2 O , is a new member of the jahnsite group from the Herdade dos Pendões mine, Beja district, southwest Portugal. It formed in a highly altered gossan...
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Journal Article
Published: 28 December 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (6): 1163–1173.
...Peter Elliott; Anthony R. Kampf Abstract Jahnsite-(NaMnMn), NaMn 2+ (Mn 2+ Fe 3+ ) 2 Fe 3+ 2 (PO 4 ) 4 (OH) 2 ·8H 2 O, is a new mineral from the Wiperaminga Hill West Quarry, Boolcoomatta Reserve, Olary Province, South Australia, Australia. The mineral occurs in seams in a matrix comprising...
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Journal Article
Published: 18 October 2021
Mineralogical Magazine (2021) 85 (6): 862–867.
...Ian E. Grey; Jason B. Smith; Anthony R. Kampf; W. Gus Mumme; Colin M. MacRae; Alan Riboldi-Tunnicliffe; Stephanie Boer; Alexander M. Glenn; Robert W. Gable Abstract Whiteite-(MnMnMn), Mn 2+ Mn 2+ Mn 2+ 2 Al 2 (PO 4 ) 4 (OH) 2 ⋅8H 2 O, is a new whiteite-subgroup member of the jahnsite group from...
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Journal Article
Published: 08 May 2020
Mineralogical Magazine (2020) 84 (4): 547–553.
...Ian E. Grey; Erich Keck; Anthony R. Kampf; Colin M. MacRae; John D. Cashion; A. Matt Glenn Abstract Jahnsite-(CaMnZn), CaMn 2+ Zn 2 Fe 3+ 2 (PO 4 ) 4 (OH) 2 ⋅8H 2 O, is a new jahnsite-group mineral associated with alteration of phosphophyllite at the Hagendorf-Süd pegmatite, Bavaria. It forms...
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Journal Article
Published: 01 November 2018
The Canadian Mineralogist (2018) 56 (6): 871–882.
...Anthony R. Kampf; Peter Elliott; Barbara P. Nash; Luigi Chiappino; Sergio Varvello Abstract Jahnsite-(NaMnMg), (Na,Ca)(Mn 2+ ,Fe 3+ )(Mg,Fe 3+ ,Mn 3+ ) 2 Fe 3+ 2 (PO 4 ) 4 (OH) 2 (H 2 O) 8 , is a new mineral from the Sapucaia pegmatite, Conselheiro Pena pegmatite district, Minas Gerais, Brazil...
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Journal Article
Published: 01 September 2022
American Mineralogist (2022) 107 (9): 1807–1817.
...Christophe Drouet; Matteo Loche; Sébastien Fabre; Pierre-Yves Meslin Abstract Jahnsites/whiteites are a large family of phosphate hydrate minerals of relevance to terrestrial and martian mineralogy. It was recently hypothesized as being present in Gale Crater sediments from XRD analyses performed...
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Journal Article
Published: 16 May 2019
The Canadian Mineralogist (2019) 57 (3): 363–370.
...Pietro Vignola; Frédéric Hatert; Maxime Baijot; Nicola Rotiroti; Andrea Risplendente; Sergio Varvello Abstract Jahnsite-(MnMnMg), Mn 2+ Mn 2+ Mg 2+ 2 Fe 3+ 2 (PO 4 ) 4 (OH) 2 ·8H 2 O, is a new phosphate mineral belonging to the jahnsite subgroup contained in the jahnsite group of minerals...
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Journal Article
Published: 01 May 2019
European Journal of Mineralogy (2019) 31 (3): 465–471.
... = 0.048 for 2082 unique reflections and all H atoms were located during the refinement. Cell parameters are a = 14.7772(2) Å, b = 18.7079(2) Å, c = 7.2424(1) Å, space group Pbca . The H-bonding scheme is described and compared to that for the combinatorial polymorph, jahnsite. The crystal structures...
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Journal Article
Published: 01 March 2019
The Canadian Mineralogist (2019) 57 (2): 215–223.
...Peter Elliott; Anthony C. Willis Abstract Whiteite-(MnMnMg), is a new jahnsite-group mineral found at the Iron Monarch Quarry, Iron Knob, South Australia, Australia, where it occurs associated with triploidite, rhodochrosite, and an unidentified Ca,Mn phosphate carbonate mineral. The new mineral...
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Journal Article
Published: 01 March 2019
The Canadian Mineralogist (2019) 57 (2): 225–233.
...Pietro Vignola; Frédéric Hatert; Nicola Rotiroti; Fabrizio Nestola; Andrea Risplendente; Francesco Vanini Abstract Jahnsite-(MnMnFe), Mn 2+ Mn 2+ Fe 2+ 2 Fe 3+ 2 (PO 4 ) 4 (OH) 2 ·8H 2 O (IMA 2018-096), is a new phosphate belonging to the jahnsite subgroup of the jahnsite group of minerals...
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Journal Article
Published: 01 May 2018
European Journal of Mineralogy (2018) 30 (3): 635–645.
... Mount Wills Granite. The phosphates include members of the arrojadite, alluaudite and jahnsite–whiteite groups, most commonly forming fine-grained intergrowths that have replaced primary phases such as triplite, wolfeite and presumed triphylite. Electron microprobe analysis has enabled...
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Journal Article
Published: 01 December 2016
European Journal of Mineralogy (2016) 28 (5): 991–996.
...Peter Elliott Abstract Jahnsite-(CaFeMg) is a new member of the whiteite–jahnsite group from Tom’s Quarry, Kapunda, South Australia, Australia where it occurs as a low-temperature secondary mineral. Jahnsite-(CaFeMg) forms brownish orange prismatic crystals to 0.2 mm in length. Crystals...
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Journal Article
Published: 01 November 2016
The Canadian Mineralogist (2016) 54 (6): 1513–1523.
...), 2.849(45) , and 2.805(100)(022). The structure ( R 1 = 4.36% for 1401 reflections with F o > 4σ F ) is the same as that of other jahnsite-group minerals. whiteite-(CaMgMg) new mineral jahnsite group crystal structure Raman spectroscopy infrared spectroscopy electron microprobe analysis...
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Journal Article
Published: 01 October 2012
Mineralogical Magazine (2012) 76 (5): 1165–1174.
...I. E. Grey; C. M. Macrae; E. Keck; W. D. Birch Abstract Aluminium-bearing strunzite, [Mn 0.65 Fe 0.26 Zn 0.08 Mg 0.01 ] 2+ [Fe 1.50 Al 0.50 ] 3+ (PO 4 ) 2 (OH) 2 ·6H 2 O, occurs as fibrous aggregates in a crystallographically oriented association with jahnsite on altered zwieselite samples from...
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Journal Article
Published: 01 December 2010
Mineralogical Magazine (2010) 74 (6): 969–978.
.... Nordgauite nodules enclose crystals of the jahnsite–whiteite group of minerals, showing pronounced compositional zoning, spanning the full range of Fe/Al ratios between jahnsite and whiteite. The whiteite-rich members are F-bearing, whereas the jahnsite-rich members contain no F. Associated minerals include...
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Journal Article
Published: 01 December 2010
The Canadian Mineralogist (2010) 48 (6): 1445–1453.
...Rupert Hochleitner; Karl Thomas Fehr Abstract On considère que la keckite fait partie du groupe de la jahnsite, quoique la formule qui lui a été attribuée à l’origine ne se conforme pas à la formule générale de ce groupe. Nous avons entrepris une étude d’échantillons provenant de divers...
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Journal Article
Published: 01 May 2008
American Mineralogist (2008) 93 (5-6): 940–945.
...Anthony R. Kampf; Ian M. Steele; Thomas A. Loomis Abstract Jahnsite-(NaFeMg), NaFe 3+ Mg 2 Fe 2 3+ (PO 4 ) 4 (OH) 2 ·8H 2 O, space group P 2/ a , a = 15.0811(16), b = 7.1403(8), c = 9.8299(11) Å, β = 110.445(1)°, V = 991.8(2) Å 3 , and Z = 2, is a new mineral from the Tip Top mine, Custer County...
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Journal Article
Published: 01 April 1990
American Mineralogist (1990) 75 (3-4): 401–404.
...Joel D. Grice; Pete J. Dunn; Robert A. Ramik Abstract Jahnsite-(CaMnMn), a new mineral species from Mangualde, Beira, Portugal, occurs as equant, brownish yellow crystals to 0.5 mm, associated with phosphosiderite, zodacite, varulite, and microcline. The mineral is transparent and has a vitreous...
Journal Article
Published: 01 August 1977
American Mineralogist (1977) 62 (7-8): 692–702.
...(1) A, orthorhombic, space group Pbca , are related in a combinatorial way to jahnsite, [Mg(H 2 O) 4 ] 2 [ C a M n 2 + F e 2 3 + ( O H ) 2 ( P O 4 ) 4 ] , Z = 2, a = 14.94(2), b = 7.14(1), c = 9.93(1) A, β = 110.16(8)°, monoclinic, space group P2/a. R = 0.090 for 19l5 reffections (overite) and 0.236...
Journal Article
Published: 01 October 1974
American Mineralogist (1974) 59 (9-10): 964–973.
...Paul Brian Moore; Takaharu Araki Abstract Jahnsite, CaMn 2+ Mg 2 (H 2 O) 8 Fe 3+ 2 (OH) 2 [PO 4 ] 4 , a 14.94(2)Å, b 7.14(1)Å, c 9.93(1) Å,β110.16(8)°, P 2/ a , Z =2, is one of the 7 Åoctahedral comer-linked chain structures allied to laueite, pseudolaueite, childrenite, etc . R ( hkl )–0.09...