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tinticite

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Journal Article

Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate tinticite Available to Purchase

Uwe Kolitsch, Christian L. Lengauer, Gerald Giester
Published: 01 March 2016
European Journal of Mineralogy (2016) 28 (1): 71–81.
DOI: https://doi.org/10.1127/ejm/2015/0027-2485
...Uwe Kolitsch; Christian L. Lengauer; Gerald Giester Abstract The crystal structures of the secondary ferric iron minerals kamarizaite, Fe 3 3+ (AsO 4 ) 2 (OH) 3 · 3H 2 O, and tinticite, Fe 3 3+ (PO 4 ) 2 (OH) 3 · 3H 2 O, for which highly contradictory data on crystal symmetry were reported, were...
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View PDF for article title, Crystal structures and isotypism of the iron(III) arsenate kamarizaite and the iron(III) phosphate <span class="search-highlight">tinticite</span>
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Journal Article

Structure solution from powder data of the phosphate hydrate tinticite Available to Purchase

Jordi RIUS, Daniel LOUËR, Michèle LOUËR, Salvador GALÍ, Joan Carles MELGAREJO
Published: 01 May 2000
European Journal of Mineralogy (2000) 12 (3): 581–588.
DOI: https://doi.org/10.1127/0935-1221/2000/0012-0581
...Jordi RIUS; Daniel LOUËR; Michèle LOUËR; Salvador GALÍ; Joan Carles MELGAREJO Abstract The crystal structure of the mineral tinticite has been solved by direct methods from integrated intensities of X-ray powder diffraction data and subsequently refined with the Rietveld technique. The sample...
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View PDF for article title, Structure solution from powder data of the phosphate hydrate <span class="search-highlight">tinticite</span>
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Journal Article

Validity of tinticite Available to Purchase

Bronson Stringham
Published: 01 October 1962
American Mineralogist (1962) 47 (9-10): 1187–1189.
...Bronson Stringham Abstract Hugo Strunz in his Mineralogische Tabellen, Akademische Verlagsgesellschaft, 3 Aufiage, Leipzig 1957, on page 246 says, “Eleonont ist mit Beraunit identisch, vielleicht auch Tinticit (Stringham 1946), thus casting doubt on the validity of tinticite. In the original paper...
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Journal Article

Tinticite, a New Mineral from Utah Available to Purchase

Bronson Stringham
Published: 01 August 1946
American Mineralogist (1946) 31 (7-8): 395–400.
... and is here named tinticite. Its composition is 2FePO 4 ·Fe(OH) 3 · 3 1 2 H 2 O, with an index between 1.74 and 1.75; hardness 2.5, and specific gravity 2.82. Stereo electron-micrographs show the crystals to average about one micron in greatest dimension and that they perhaps crystallize in the orthorhombic...
View PDF for article title, <span class="search-highlight">Tinticite</span>, a New Mineral from Utah
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Eh-pH diagrams showing the stability of tinticite (green shading) relative to strengite and ferrihydrite in the Fe–S–H2O system for 10 ppm Fe, 100 ppm S, and 1 ppm P. Panel A was constructed using the recommended free energy value of −3766 kJ/mol for tinticite (Nriagu &amp; Dell 1974). The smaller panels show how the tinticite stability field changes if its free energy value is decreased (panel B) or increased (panel C) by 20 kJ/mol.

Eh-pH diagrams showing the stability of tinticite (green shading) relative ... Available to Purchase

Published: 21 February 2023
Fig. 8. Eh-pH diagrams showing the stability of tinticite (green shading) relative to strengite and ferrihydrite in the Fe–S–H 2 O system for 10 ppm Fe, 100 ppm S, and 1 ppm P. Panel A was constructed using the recommended free energy value of −3766 kJ/mol for tinticite ( Nriagu & Dell 1974
Journal Article

Supergene Turquoise and Associated Phosphate Minerals of the Porphyry-Lode System at Butte, Montana, USA Available to Purchase

Kyle A. Eastman, Christopher H. Gammons, Karsten Goemann, Amanda Griffith
Published: 21 February 2023
The Canadian Mineralogist (2022) 60 (6): 1013–1026.
DOI: https://doi.org/10.3749/canmin.2100068
...Fig. 8. Eh-pH diagrams showing the stability of tinticite (green shading) relative to strengite and ferrihydrite in the Fe–S–H 2 O system for 10 ppm Fe, 100 ppm S, and 1 ppm P. Panel A was constructed using the recommended free energy value of −3766 kJ/mol for tinticite ( Nriagu & Dell 1974...
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View PDF for article title, Supergene Turquoise and Associated Phosphate Minerals of the Porphyry-Lode System at Butte, Montana, USA
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(a) Image of tinticite along [001] computed from powder data at 2.3 Å resolution phased with the S-TF (Rius, 1993). Only the dominant scatterers Fe3+ and the phosphate tetrahedra are visible. The smaller peaks F (F’) and G correspond to disordered tetrahedra (approx. 50% occupation). (b) Perspective view of tinticite with same orientation as in (a) showing the Fe3+ octahedra concentrated at y = 0 and 1/2 and interconnected by PO4 tetrahedra.

(a) Image of tinticite along [001] computed from powder data at 2.3 Å reso... Available to Purchase

Published: 01 May 2000
Fig. 1. (a) Image of tinticite along [001] computed from powder data at 2.3 Å resolution phased with the S-TF ( Rius, 1993 ). Only the dominant scatterers Fe 3+ and the phosphate tetrahedra are visible. The smaller peaks F (F’) and G correspond to disordered tetrahedra (approx. 50% occupation
Journal Article

NEVADAITE, (Cu 2+ , □, Al, V 3+ )6 [Al 8 (PO 4 ) 8 F 8 ] (OH) 2 (H 2 O) 22 , A NEW PHOSPHATE MINERAL SPECIES FROM THE GOLD QUARRY MINE, CARLIN, EUREKA COUNTY, NEVADA: DESCRIPTION AND CRYSTAL STRUCTURE Available to Purchase

Mark A. Cooper, Frank C. Hawthorne, Andrew C. Roberts, Eugene E. Foord, Richard C. Erd, Howard T. Evans, Jr., Martin C. Jensen
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 741–752.
DOI: https://doi.org/10.2113/gscanmin.42.3.741
... with colorless to purple-black fluellite, colorless wavellite, strengite–variscite, acicular maroon-to-red hewettite, and rare anatase, kazakhstanite, tinticite, leucophosphite, torbernite and tyuyamunite. Nevadaite is pale green to turquoise blue with a pale powder-blue streak and a vitreous luster; it does...
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View PDF for article title, NEVADAITE, (Cu 2+ , □, Al, V 3+ )6 [Al 8 (PO 4 ) 8 F 8 ] (OH) 2 (H 2 O) 22 , A NEW PHOSPHATE MINERAL SPECIES FROM THE GOLD QUARRY MINE, CARLIN, EUREKA COUNTY, NEVADA: DESCRIPTION AND CRYSTAL STRUCTURE
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X-ray powder diffraction data for tinticite from Bruguers, Barcelona, Spain... Available to Purchase

Published: 01 May 2000
Table 1. X-ray powder diffraction data for tinticite from Bruguers, Barcelona, Spain.
Image
Conventional Rietveld plot for cotype tinticite (NMNH 105407). The refined jarosite impurity content is 0.49(5) wt%. (online version in colour)

Conventional Rietveld plot for cotype tinticite (NMNH 105407). The refined ... Available to Purchase

Published: 01 March 2016
Fig. 2 Conventional Rietveld plot for cotype tinticite (NMNH 105407). The refined jarosite impurity content is 0.49(5) wt%. (online version in colour)
Image

Final refined atomic parameters for tinticite with e.s.d's. given in parent... Available to Purchase

Published: 01 May 2000
Table 3. Final refined atomic parameters for tinticite with e.s.d's. given in parentheses. (B overall = 1.2(1) Å 2 ).
Image
Final Rietveld plot for tinticite. The calculated pattern is represented by a solid line and the observed data by circles. The lower trace is the difference between observed and calculated patterns. The vertical markers show positions calculated for Bragg reflections. The intensity is given in arbitrary units.

Final Rietveld plot for tinticite. The calculated pattern is represented by... Available to Purchase

Published: 01 May 2000
Fig. 2. Final Rietveld plot for tinticite. The calculated pattern is represented by a solid line and the observed data by circles. The lower trace is the difference between observed and calculated patterns. The vertical markers show positions calculated for Bragg reflections. The intensity
Image
Parts of the tinticite structure (a) at y = 0: Dreier single chains of Fe3+ octahedra linked to each other by the ordered phosphate P(1) only, to give a well defined layer. The repeat unit along the chain is formed by the dimer of edge-sharing octahedra, Fe(1) and Fe(1’), followed by the bridging corner-sharing octahedron Fe(3); (b) at y = 1/2: trimers of octahedra with the inner octahedron Fe(4) disordered (46%) i.e. showing two orientations. These trimers are connected through the PO4 tetrahedra P(1), P(2a) and P(2b) and H-bonds to the rest of the structure. (For clarity, only the numbering for the O atoms is given. Filled circles: P atoms; only those immediately above and below each octahedron are represented).

Parts of the tinticite structure (a) at y = 0: Dreier single chains of ... Available to Purchase

Published: 01 May 2000
Fig. 3. Parts of the tinticite structure (a) at y = 0: Dreier single chains of Fe 3+ octahedra linked to each other by the ordered phosphate P(1) only, to give a well defined layer. The repeat unit along the chain is formed by the dimer of edge-sharing octahedra, Fe(1) and Fe(1’), followed
Journal Article

Crystal chemistry of the basic iron phosphates Available to Purchase

Paul B. Moore
Published: 01 February 1970
American Mineralogist (1970) 55 (1-2): 135–169.
... also involve the three-cluster include azovskite, cacoxenite, richellite, mitridatite, egueite, tinticite, borickyite, and foucherite. All basic ferrous-ferric phosphates which possess the three-cluster are strongly pleo-chroic and greenish-black in color. Their completely oxidized equivalents...
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(a) Sample of turquoise + kaolinite (bottom) reacting to Fe-rich turquoise + jarosite (top), from the Continental Pit, D-North pushback, 6000′ bench. (b) Sample of Fe-rich turquoise (spot 1) reacting to form tinticite (spot 2), Continental Pit, D-East pushback, 6360′ bench (see supplementary materials for SEM, EPMA, and XRD analyses).

(a) Sample of turquoise + kaolinite (bottom) reacting to Fe-rich turquoise ... Available to Purchase

Published: 21 February 2023
Fig. 7. (a) Sample of turquoise + kaolinite (bottom) reacting to Fe-rich turquoise + jarosite (top), from the Continental Pit, D-North pushback, 6000′ bench. (b) Sample of Fe-rich turquoise (spot 1) reacting to form tinticite (spot 2), Continental Pit, D-East pushback, 6360′ bench (see
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Schematic diagram showing the weathering profile at pushbacks D-North and D-East of the Continental Pit. Exhumation of the hypogene porphyry Cu protore causes progressive lowering of the water table through the profile, first forming blue endmember turquoise in fractures and within existing veins alongside chalcocite, kaolinite, and halloysite in the enrichment blanket (cementation zone). Continuing uplift exposes the enrichment blanket to oxidizing conditions and alters turquoise to green Fe-bearing turquoise, tinticite, and jarosite in the leach cap.

Schematic diagram showing the weathering profile at pushbacks D-North and D... Available to Purchase

Published: 21 February 2023
existing veins alongside chalcocite, kaolinite, and halloysite in the enrichment blanket (cementation zone). Continuing uplift exposes the enrichment blanket to oxidizing conditions and alters turquoise to green Fe-bearing turquoise, tinticite, and jarosite in the leach cap.
Image
Photomicrographs of El Laco destinezite. (a) Massive fine-grained destinezite (de-1) crisscrossed by multiple fractures rimmed by coarse-grained destinezite (de-2); hematite crystals (hm) usually occur near these microfractures. (b) Large coarse-grained subhedral destinezite crystals (de-2) overgrowing primary massive aggregates close to the micro-veins; lighter edges and dark core sectors (brown colors) in some crystals indicate incipient transformation to supergene Fe-phosphate products (tinticite?). (c) Porous incrustations of supergene Sr-rich jarosite (Sr-jar) associated with spherulitic cacoxenite (radiate fibrous growth) that occasionally occur coating some destinezite lumps. Images taken in transmitted light microscopy mode with crossed polarizers. (Color online.)

Photomicrographs of El Laco destinezite. ( a ) Massive fine-grained destine... Available to Purchase

Published: 01 June 2020
crystals (de-2) overgrowing primary massive aggregates close to the micro-veins; lighter edges and dark core sectors (brown colors) in some crystals indicate incipient transformation to supergene Fe-phosphate products (tinticite?). ( c ) Porous incrustations of supergene Sr-rich jarosite (Sr-jar
Journal Article

The relationship of destinezite to the acid sulfate alteration at the El Laco magnetite deposit, Chile Available to Purchase

Francisco Velasco, Noelia de la Pinta, Fernando Tornos, Thomas Briezewski, Aitor Larrañaga
Published: 01 June 2020
American Mineralogist (2020) 105 (6): 860–872.
DOI: https://doi.org/10.2138/am-2020-7122
... crystals (de-2) overgrowing primary massive aggregates close to the micro-veins; lighter edges and dark core sectors (brown colors) in some crystals indicate incipient transformation to supergene Fe-phosphate products (tinticite?). ( c ) Porous incrustations of supergene Sr-rich jarosite (Sr-jar...
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View PDF for article title, The relationship of destinezite to the acid sulfate alteration at the El Laco magnetite deposit, Chile
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Journal Article

NEW MINERAL NAMES Available to Purchase

John L. Jambor, Vladimir A. Kovalenker, Andrew C. Roberts
Published: 01 March 2001
American Mineralogist (2001) 86 (3): 376–379.
... from 0.86 to 1.02, but was 0.50 for a synthetic crystal. J.L.J. J. Rius, D. Louër, M. Louër, S. Galí, J.C. Melgarejo (2000) Structure solution from powder data of the phosphate hydrate tinticite. Eur. J. Mineral., 12, 581–588. Rietveld refinement ( R wp = 0.131) of X-ray powder data...
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A model for the structure of the hydrated aluminum phosphate, kingite determined by ab initio powder diffraction methods Available to Purchase

Kia S. Wallwork, Allan Pring, Max R. Taylor, Brett A. Hunter
Published: 01 January 2003
American Mineralogist (2003) 88 (1): 235–239.
DOI: https://doi.org/10.2138/am-2003-0127
... of the structure of microcrystalline inorganic compounds, for example, Ga 2 (HPO 3 ) 3 , ( Morris et al. 1992 ), β-Ba 3 AlF 9 , ( Le Bail 1993 ), Bi(H 2 O) 4 (OSO 2 CF 3 ) 3 , ( Louër et al. 1997 ), (UO 2 ) 3 (HO 3 PC 6 H 5 ) 2 ·H 2 O, ( Poojary et al. 1996 ), and recently the mineral tinticite, Fe 6 (PO 4 ) 4...
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View PDF for article title, A model for the structure of the hydrated aluminum phosphate, kingite determined by ab initio powder diffraction methods
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