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phosphophyllite

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Journal Article

Secondary Zn-bearing phosphate minerals associated with alteration of phosphophyllite at Hagendorf-Süd, Bavaria Available to Purchase

Ian E. Grey, Erich Keck, Colin M. MacRae, A. Matt Glenn, W. Gus Mumme, Anthony R. Kampf, John D. Cashion
Published: 01 September 2018
European Journal of Mineralogy (2018) 30 (5): 1007–1020.
DOI: https://doi.org/10.1127/ejm/2018/0030-2763
...Ian E. Grey; Erich Keck; Colin M. MacRae; A. Matt Glenn; W. Gus Mumme; Anthony R. Kampf; John D. Cashion At the Hagendorf-Süd pegmatite, Bavaria, phosphophyllite plays an important paragenetic role in the formation of numerous Zn-bearing secondary phosphate minerals. We report the results...
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View PDF for article title, Secondary Zn-bearing phosphate minerals associated with alteration of <span class="search-highlight">phosphophyllite</span> at Hagendorf-Süd, Bavaria
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Journal Article

Steinmetzite, Zn 2 Fe 3+ (PO 4 ) 2 (OH)·3H 2 O, a new mineral formed from alteration of phosphophyllite at the Hagendorf Süd pegmatite, Bavaria Available to Purchase

I. E. Grey, E. Keck, A. R. Kampf, W. G. Mumme, C. M. Macrae, R. W. Gable, A. M. Glenn, C. J. Davidson
Published: 01 April 2017
Mineralogical Magazine (2017) 81 (2): 329–338.
DOI: https://doi.org/10.1180/minmag.2016.080.100
... oxidized zone of the Cornelia mine at Hagendorf-Süd. It has formed by alteration of phosphophyllite, involving oxidation of the iron and some replacement of Zn by Fe. Steinmetzite lamellae co-exist with an amorphous Fe-rich phosphate in pseudomorphed phosphophyllite crystals. The lamellae are only a few μm...
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View PDF for article title, Steinmetzite, Zn 2 Fe 3+ (PO 4 ) 2 (OH)·3H 2 O, a new mineral formed from alteration of <span class="search-highlight">phosphophyllite</span> at the Hagendorf Süd pegmatite, Bavaria
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Journal Article

The crystal structure of phosphophyllite Available to Purchase

R. J. Hill
Published: 01 August 1977
American Mineralogist (1977) 62 (7-8): 812–817.
...R. J. Hill Abstract Phosphophyllite from Potosi, Bolivia, Zn 2 Fe(PO 4 ) 2 · 4H 2 O, is monoclinic and crystallizes in space group P 2 1 / c , with a = 10.378(3), b = 5.084(1), с = 10.553(3) A, β = 121.14(2)°, and Z = 2. The structure has been solved by Patterson and Fourier methods from 1999 Zr...
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Journal Article

Phosphophyllite, variation in composition Available to Purchase

P. J. Dunn, J. Norberg
Published: 01 August 1977
American Mineralogist (1977) 62 (7-8): 818.
...P. J. Dunn; J. Norberg Abstract Fourteen analyses of phosphophyllite from Hagendorf, Germany, and Potosi, Bolivia, indicate that manganese substitutes for iron only up to a 1:1 ratio. The manganese analog was not found. Copyright © 1977 by the Mineralogical Society of America 1977 ...
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Journal Article

The crystal structure of metastrengite and its relationship to strengite and phosphophyllite Available to Purchase

Paul B. Moore
Published: 01 February 1966
American Mineralogist (1966) 51 (1-2): 168–176.
...” of the tetrahedra. It is further noted that metastrengite-like subcells in the phosphophyllite structure confirm Strunz's suggestion of structural similarities between metastrengite and phosphophyllite. 14 3 1965 20 5 1965 Copyright © 1966 by the Mineralogical Society of America 1966...
View PDF for article title, The crystal structure of metastrengite and its relationship to strengite and <span class="search-highlight">phosphophyllite</span>
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Journal Article

Crystallographic notes 1. Phosphophyllite; 2. Hematite; 3. Willemite; 4. Hedyphane Available to Purchase

Charles Palache, Harry Berman
Published: 01 April 1927
American Mineralogist (1927) 12 (4): 180–187.
...Charles Palache; Harry Berman Abstract C rystallography . The mineral phosphophyllite was described by Laubmann and Steinmetz 1 in 1920. It is a complex hydrous phosphate and sulphate of iron, magnesium and potassium showing no clear chemical relationship to the previously known groups...
View PDF for article title, Crystallographic notes 1. <span class="search-highlight">Phosphophyllite</span>; 2. Hematite; 3. Willemite; 4. Hedyphane
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Comparison of powder XRD patterns (CuKα) for (a) fresh phosphophyllite and (b) altered phosphophyllite, for which all the Bragg peaks correspond to steinmetzite. The peaks for phosphophyllite have been scaled so that the strongest peaks in the two minerals have the same intensity.

Comparison of powder XRD patterns (CuKα) for ( a ) fresh phosphophyllite an... Available to Purchase

Published: 01 April 2017
Fig. 1. Comparison of powder XRD patterns (CuKα) for ( a ) fresh phosphophyllite and ( b ) altered phosphophyllite, for which all the Bragg peaks correspond to steinmetzite. The peaks for phosphophyllite have been scaled so that the strongest peaks in the two minerals have the same intensity.
Image
Rietveld observed (red points) and calculated (black line) PXRD pattern for phases in the yellow crust removed from altered phosphophyllite. Short bars show the positions of Bragg reflections for two jahnsite phases (blue and red) and minor phosphophyllite (green).

Rietveld observed (red points) and calculated (black line) PXRD pattern for... Available to Purchase

Published: 08 May 2020
Fig. 7. Rietveld observed (red points) and calculated (black line) PXRD pattern for phases in the yellow crust removed from altered phosphophyllite. Short bars show the positions of Bragg reflections for two jahnsite phases (blue and red) and minor phosphophyllite (green).
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Structural basis for epitaxy of jahnsite on phosphophyllite (a) (1 0 0) layer of phosphophyllite; (b) (0 0 1) layer of jahnsite. Intralayer cell structure-metrics are shown. In jahnsite, the pink circles are X, brown octahedra are M1, yellow octahedra are M3 (Online version in colour).

Structural basis for epitaxy of jahnsite on phosphophyllite (a) (1 0 0) lay... Available to Purchase

Published: 01 September 2018
Fig. 7 Structural basis for epitaxy of jahnsite on phosphophyllite (a) (1 0 0) layer of phosphophyllite; (b) (0 0 1) layer of jahnsite. Intralayer cell structure-metrics are shown. In jahnsite, the pink circles are X , brown octahedra are M 1, yellow octahedra are M 3 (Online version in colour).
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The crystal structures of phosphophyllite, veszelyite and kipushite: (a) phosphophyllite showing (PO4) and (Znϕ4) tetrahedra at the vertices of a 4.82 net; (b) phosphophyllite projected onto (010); (Znϕ4) tetrahedra are shadow-shaded, (Znϕ6) octahedra are 44-net-shaded; (c) veszelyite projected onto (001); tetrahedra are arranged at the vertices of a 4.82 net; (d) veszelyite projected onto (100); (Cu2+ϕ6) octahedra are line-shaded; (e) the sheet of corner-linked (PO4) and (ZnO4) tetrahedra in kipushite projected onto (100); (f) the structure of kipushite projected onto (001); (Znϕ4) tetrahedra are shadow-shaded.

The crystal structures of phosphophyllite, veszelyite and kipushite: (a) ph... Available to Purchase

Published: 01 January 2002
Figure 12. The crystal structures of phosphophyllite, veszelyite and kipushite: (a) phosphophyllite showing (PO 4 ) and (Znϕ 4 ) tetrahedra at the vertices of a 4.8 2 net; (b) phosphophyllite projected onto (010); (Znϕ 4 ) tetrahedra are shadow-shaded, (Znϕ 6 ) octahedra are 4 4 -net-shaded; (c
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Leached phosphophyllite crystals from the 67-m nodule. Extensive leaching has left shells of yellow rind. Residual white phosphophyllite in twinned crystal. The surrounding red mineral is the schoonerite-group mineral schmidite. Field of view (FOV) ∼10 mm. Photo V. Betz (Online version in colour).

Leached phosphophyllite crystals from the 67-m nodule. Extensive leaching h... Available to Purchase

Published: 01 September 2018
Fig. 2 Leached phosphophyllite crystals from the 67-m nodule. Extensive leaching has left shells of yellow rind. Residual white phosphophyllite in twinned crystal. The surrounding red mineral is the schoonerite-group mineral schmidite. Field of view (FOV) ∼10 mm. Photo V. Betz (Online version
Journal Article

Jahnsite-(CaMnZn) from the Hagendorf-Süd pegmatite, Oberpfalz, Bavaria, and structural flexibility of jahnsite-group minerals Available to Purchase

Ian E. Grey, Erich Keck, Anthony R. Kampf, Colin M. MacRae, John D. Cashion, A. Matt Glenn
Published: 08 May 2020
Mineralogical Magazine (2020) 84 (4): 547–553.
DOI: https://doi.org/10.1180/mgm.2020.40
...Fig. 7. Rietveld observed (red points) and calculated (black line) PXRD pattern for phases in the yellow crust removed from altered phosphophyllite. Short bars show the positions of Bragg reflections for two jahnsite phases (blue and red) and minor phosphophyllite (green). ...
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Journal Article

Classification of minerals of the type A 3 (XO4)2· n H 2 O (Concluded) Available to Purchase

C. W. Wolfe
Published: 01 December 1940
American Mineralogist (1940) 25 (12): 787–809.
...C. W. Wolfe Abstract This family is composed of the triclinic group—parahopeite and anapaite; the monoclinic member—phosphophyllite; and the orthorhombic member—hopeite. The relations between the unit cells of phosphophyllite and hopeite are simple and are given in the description of the former...
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[001] projections for (a) steinmetzite and (b) phosphophyllite, showing different locations of interlayer octahedra.

[001] projections for ( a ) steinmetzite and ( b ) phosphophyllite, showing... Available to Purchase

Published: 01 April 2017
Fig. 7. [001] projections for ( a ) steinmetzite and ( b ) phosphophyllite, showing different locations of interlayer octahedra.
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Back-scattered electron image of steinmetzite (S) and amorphous Fe-rich phosphate (A) in pseudomorphed phosphophyllite.

Back-scattered electron image of steinmetzite (S) and amorphous Fe-rich pho... Available to Purchase

Published: 01 April 2017
Fig. 4. Back-scattered electron image of steinmetzite (S) and amorphous Fe-rich phosphate (A) in pseudomorphed phosphophyllite.
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Back-scattered electron (BSE) image of epitactic jahnsite crystals on the underside of yellow rind on altered phosphophyllite.

Back-scattered electron (BSE) image of epitactic jahnsite crystals on the u... Available to Purchase

Published: 01 September 2018
Fig. 5 Back-scattered electron (BSE) image of epitactic jahnsite crystals on the underside of yellow rind on altered phosphophyllite.
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Radiating sprays of wilhelmgümbelite crystals associated with laths of altered phosphophyllite, showing typical cracked weathering rinds.

Radiating sprays of wilhelmgümbelite crystals associated with laths of alte... Available to Purchase

Published: 01 April 2017
Fig. 2. Radiating sprays of wilhelmgümbelite crystals associated with laths of altered phosphophyllite, showing typical cracked weathering rinds.
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Large 3-cm crystal of phosphophyllite with associated minerals including manganflurlite. The field of view is 3 cm across.

Large 3-cm crystal of phosphophyllite with associated minerals including ma... Available to Purchase

Published: 01 January 2019
Fig. 1 Large 3-cm crystal of phosphophyllite with associated minerals including manganflurlite. The field of view is 3 cm across.
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Schoonerite-group mineral inclusions in phosphophyllite. FOV = 4 mm. Photo V. Betz (Online version in colour).

Schoonerite-group mineral inclusions in phosphophyllite. FOV = 4 mm. Photo ... Available to Purchase

Published: 01 September 2018
Fig. 11 Schoonerite-group mineral inclusions in phosphophyllite. FOV = 4 mm. Photo V. Betz (Online version in colour).
Image
Thin rectangular laths of wilhelmgümbelite (orange-red), associated with large laths of altered phosphophyllite (off-white). The field of view is 2.5 mm × 3 mm.

Thin rectangular laths of wilhelmgümbelite (orange-red), associated with la... Available to Purchase

Published: 01 April 2017
Fig. 1. Thin rectangular laths of wilhelmgümbelite (orange-red), associated with large laths of altered phosphophyllite (off-white). The field of view is 2.5 mm × 3 mm.