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![First thumbnail for: The basic copper arsenate minerals olivenite, <spa...]()
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![Infrared emission spectra of the hydroxyl-stretching region of cornubite from 150 to 600 °C at 50 °C intervals.]()
![Infrared emission spectra of the low wavenumber region of cornubite from 150 to 600 °C at 50 °C intervals.]()
![(a) Dark green cornwallite completely replacing pre-existing euchroite crystals from the Ľubietová–Svätodušná deposit (photograph P. Škácha). (b) Complex pseudomorph of cornwallite (Corw), cornubite (Corn), and olivenite (Olv) after crystalline aggregate of euchroite from the Ľubietová–Svätodušná deposit (photograph P. Škácha). (c) Back-scattered electron image of the relationship between strashimirite (Sts), cornwallite (Corw), and euchroite (Euc) at the Poniky–Farbište deposit: younger euchroite overgrows older cornubite and strashimirite (photograph J. Sejkora).]()
![First thumbnail for: TURANITE, Cu 2+ 5 (V 5+ O 4 ) 2 (OH) 4 , FROM THE ...]()
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![Photomicrographs of experimental-paste backfill material, Sappes gold project, Greece. (A) Typical backfill composition with tailings particles cemented in lime and flyash (taken from Bowell 2014). Essentially sulfides and gangue phases remain unchanged. 1 = fly ash, 2 = enargite, 3 = pyrite, 4 = fragments of tailing encapsulated in cement. (B) Sulfide oxidation in backfill leads to decomposition of lime and formation of gypsum, clinoclase, cornubite, and arseniosiderite in the alteration crust indicating limited arsenic mobilization (Bowell 2014). Within the altered gypsum zone, a non-crystalline Ca-Al-hydrated silicate forms that appears to act as a barrier to further reaction of the sulfide particles. 5 = cornubite, clinoclase, arseniosiderite alteration crust, 6 = residual enargite after partial oxidation, 7 = gypsum.]()
![Raman spectra of the hydroxyl-stretching region of (a) olivenite (b) cornubite (c) cornwallite (d) clinoclase]()
![Raman spectra of the 700 to 1200 cm−1 region of (a) olivenite (b) cornubite (c) cornwallite (d) clinoclase.]()
![The structures of the arsenates with infinite frameworks of tetrahedra and MφN polyhedra: (a) rollandite, (b) euchroite, (c) cornwallite, (d) cornubite, (e) flinkite, (f) retzian.]()
![Interrupted sheets of octahedra decorated by tetrahedra in (a) simonkolleite, (b) cianciulliite, (c) gordaite, (d) cornubite, and (e) ramsbeckite; (M2+ϕ6) octahedra are yellow, tetrahedra are green.]()
![First thumbnail for: Thermodynamics, stability, crystal structure, and ...]()
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![First thumbnail for: Thermodynamic Properties and Phase Equilibria of t...]()
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![First thumbnail for: Lapeyreite, Cu 3 O[AsO 3 (OH)] 2 ·0.75H 2 O, a new...]()
![Second thumbnail for: Lapeyreite, Cu 3 O[AsO 3 (OH)] 2 ·0.75H 2 O, a new...]()
![Third thumbnail for: Lapeyreite, Cu 3 O[AsO 3 (OH)] 2 ·0.75H 2 O, a new...]()
![First thumbnail for: Rollandite, Cu 3 (AsO 4 ) 2 -4H 2 O, a new mineral...]()
![Second thumbnail for: Rollandite, Cu 3 (AsO 4 ) 2 -4H 2 O, a new mineral...]()
![Third thumbnail for: Rollandite, Cu 3 (AsO 4 ) 2 -4H 2 O, a new mineral...]()
![Examples of samples from Miedzianka investigated in this study: (a) a crust of chrysocolla (Ccl) overgrown by pseudomalachite (Pm) and malachite (Mal) in sample M1; (b) radial aggregates of kipushite–philipsburgite (Phb) crystals with pronounced banding, sample M2; (c) highly weathered amphibolite altered to Fe-oxides and hydroxides (Fe-ox) with chrysocolla (Ccl), whitish pseudomalachite (Pm), and cornubite (Crn), Qtz – quartz, sample M3; (d) chain of malachite spheroidal aggregates (Mal) on chrysocolla in a highly weathered amphibolite, sample M4. (online version in colour)]()
![(a) Scanning electron microscope (SEM) image of a cellular silica-rich crust overgrown by pseudomalachite (Pm) and malachite (Mal), sample M5; (b) BSE image of a cross section through botryoidal pseudomalachite (Pm) overgrown by radial aggregates of kipushite–philipsburgite (Phb), sample M2; (c) SEM image of a cluster of tabular pseudomalachite crystals, sample M1; (d) BSE image showing the paragenetic sequence: chrysocolla (Ccl) – cornubite (Crn) – pseudomalachite (Pm); note the mottled contrast in pseudomalachite due to variations in P/As ratio; fractures in chrysocolla most probably originated from dehydration; sample M3.]()
![First thumbnail for: Pseudomalachite–cornwallite and kipushite–philipsb...]()
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![Stability relations in the Cu-Pb-arsenate system to explain assemblages such as the ones shown in Figure 5. LogaPb2+-pH phase predominance diagram for mimetesite, duftite, bayldonite, olivenite, cornubite, and clinoclase calculated with arsenate as the main species. Input parameters: T = 25 °C; logaH2ASO4– = –6; logaCu2+= –2.5; logaCl– = –3. Light blue lines show the calculated reaction path for “fluid A” (see text) reacting in 15 steps with 80 mmol of covellite followed by reaction with 0.1 mmol galena. Prior to the fluid path calculations, “fluid A” was equilibrated with 0.1 mmol arsenopyrite and covellite. This reaction simulates the reaction of a fluid with “fahlore” (arsenopyrite + covellite). The progressive saturation indices during the 15 reaction steps are shown in the lower part of the figure.]()
![First thumbnail for: Bariopharmacoalumite, a new mineral species from C...]()
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![First thumbnail for: Characterization of conichalcite by SEM, FTIR, Ram...]()
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Journal Article
The basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase: An infrared emission and Raman spectroscopic study Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 April 2003
American Mineralogist (2003) 88 (4): 501–508.
...Wayde N. Martens; Ray L. Frost; J. Theo Kloprogge; Peter A. Williams Abstract Molecular structures of the basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase were studied using a combination of infrared emission spectroscopy and Raman spectroscopy. Infrared emission...
FIGURES
Image
Infrared emission spectra of the hydroxyl-stretching region of cornubite fr... Available to Purchase
in The basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase: An infrared emission and Raman spectroscopic study
> American Mineralogist
Published: 01 April 2003
F igure 3. Infrared emission spectra of the hydroxyl-stretching region of cornubite from 150 to 600 °C at 50 °C intervals.
Image
Infrared emission spectra of the low wavenumber region of cornubite from 15... Available to Purchase
in The basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase: An infrared emission and Raman spectroscopic study
> American Mineralogist
Published: 01 April 2003
F igure 8. Infrared emission spectra of the low wavenumber region of cornubite from 150 to 600 °C at 50 °C intervals.
Image
(a) Dark green cornwallite completely replacing pre-existing euchroite crys... Available to Purchase
in Thermodynamics, stability, crystal structure, and phase relations among euchroite, Cu 2 (AsO 4 )(OH)·3H 2 O, and related minerals
> European Journal of Mineralogy
Published: 01 March 2017
Fig. 4 (a) Dark green cornwallite completely replacing pre-existing euchroite crystals from the Ľubietová–Svätodušná deposit (photograph P. Škácha). (b) Complex pseudomorph of cornwallite (Corw), cornubite (Corn), and olivenite (Olv) after crystalline aggregate of euchroite from the Ľubietová
Journal Article
TURANITE, Cu 2+ 5 (V 5+ O 4 ) 2 (OH) 4 , FROM THE TYUYA–MUYUN RADIUM–URANIUM DEPOSIT, OSH DISTRICT, KYRGYZSTAN: A NEW STRUCTURE FOR AN OLD MINERAL Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 June 2004
The Canadian Mineralogist (2004) 42 (3): 731–739.
... of one sheet to O anions of adjacent sheets. Turanite can be considered as a framework structure with interrupted sheets of (Cuϕ 6 ) octahedral decorated by (VO 4 ) tetrahedra, and is related to the structures of cornubite, cianciulliite, gordaite, bechererite, chalcophyllite, ramsbeckite...
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Photomicrographs of experimental-paste backfill material, Sappes gold proje... Available to Purchase
Published: 01 January 2014
= pyrite, 4 = fragments of tailing encapsulated in cement. (B) Sulfide oxidation in backfill leads to decomposition of lime and formation of gypsum, clinoclase, cornubite, and arseniosiderite in the alteration crust indicating limited arsenic mobilization ( Bowell 2014 ). Within the altered gypsum zone
Image
Raman spectra of the hydroxyl-stretching region of ( a ) olivenite ( b ) co... Available to Purchase
in The basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase: An infrared emission and Raman spectroscopic study
> American Mineralogist
Published: 01 April 2003
F igure 6. Raman spectra of the hydroxyl-stretching region of ( a ) olivenite ( b ) cornubite ( c ) cornwallite ( d ) clinoclase
Image
Raman spectra of the 700 to 1200 cm −1 region of ( a ) olivenite ( b ) cor... Available to Purchase
in The basic copper arsenate minerals olivenite, cornubite, cornwallite, and clinoclase: An infrared emission and Raman spectroscopic study
> American Mineralogist
Published: 01 April 2003
F igure 11. Raman spectra of the 700 to 1200 cm −1 region of ( a ) olivenite ( b ) cornubite ( c ) cornwallite ( d ) clinoclase.
Image
The structures of the arsenates with infinite frameworks of tetrahedra and ... Available to Purchase
Published: 01 January 2014
Figure 46 The structures of the arsenates with infinite frameworks of tetrahedra and Mφ N polyhedra: (a) rollandite, (b) euchroite, (c) cornwallite, (d) cornubite, (e) flinkite, (f) retzian.
Image
Interrupted sheets of octahedra decorated by tetrahedra in (a) simonkolleit... Available to Purchase
in TURANITE, Cu 2+ 5 (V 5+ O 4 ) 2 (OH) 4 , FROM THE TYUYA–MUYUN RADIUM–URANIUM DEPOSIT, OSH DISTRICT, KYRGYZSTAN: A NEW STRUCTURE FOR AN OLD MINERAL
> The Canadian Mineralogist
Published: 01 June 2004
F ig . 6. Interrupted sheets of octahedra decorated by tetrahedra in (a) simonkolleite, (b) cianciulliite, (c) gordaite, (d) cornubite, and (e) ramsbeckite; ( M 2+ ϕ 6 ) octahedra are yellow, tetrahedra are green.
Journal Article
Thermodynamics, stability, crystal structure, and phase relations among euchroite, Cu 2 (AsO 4 )(OH)·3H 2 O, and related minerals Available to Purchase
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 March 2017
European Journal of Mineralogy (2017) 29 (1): 5–16.
...Fig. 4 (a) Dark green cornwallite completely replacing pre-existing euchroite crystals from the Ľubietová–Svätodušná deposit (photograph P. Škácha). (b) Complex pseudomorph of cornwallite (Corw), cornubite (Corn), and olivenite (Olv) after crystalline aggregate of euchroite from the Ľubietová...
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Includes: Supplemental Content
Journal Article
Thermodynamic Properties and Phase Equilibria of the Secondary Copper Minerals Libethenite, Olivenite, Pseudomalachite, KrÖhnkite, Cyanochroite, and Devilline Available to Purchase
Journal: The Canadian Mineralogist
Publisher: Mineralogical Association of Canada
Published: 01 September 2015
The Canadian Mineralogist (2015) 53 (5): 937–960.
... (cornubite, clinoclase, euchroite) that has a stability field at T = 298.15 K and P = 1 bar. Chemical data from natural solid-solutions between libethenite–olivenite and pseudomalachite–cornwallite suggest that both solid solutions deviate slightly from ideality. The arsenic-rich members of these solutions...
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Journal Article
Lapeyreite, Cu 3 O[AsO 3 (OH)] 2 ·0.75H 2 O, a new mineral: Its description and crystal structure Available to Purchase
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 January 2010
American Mineralogist (2010) 95 (1): 171–176.
... are olivenite, malachite, gilmarite, cornubite, connellite, theoparacelsite, brochantite, cuprite, native copper, algodonite, and domeykite. Lapeyreite occurs in geodes of cuprite (0.5 mm diameter) as aggregates formed by perfect elongate rectangular crystals (up to 0.2 × 0.05 × 0.01 mm in size), acicular...
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![First thumbnail for: Lapeyreite, Cu 3 O[AsO 3 (OH)] 2 ·0.75H 2 O, a new...](https://gsw.silverchair-cdn.com/gsw/Content_public/Journal/ammin/95/1/10.2138_am.2010.3225/4/s_0171f1.jpeg?Expires=1755599064&Signature=S3nqtbA4nbm2eyskrPjxwjGxvkNqjyookjxMIE7XH-lPOfjRJjHibNQ518C5HS9vTgE-WXL7LztluD9BTYBHg9EQfH0OAEwFHi1YJsUUWbJpuIYKotmjNmmcPgPlCbIP0nqPEgpblc43ckPG0-nmjB7E0gVnp-RzUF4hlyPDnPwXE6aGVazKXhhYTND6NjKEDI5QVJmHgJiqYP7j7C393gouau3RyIa1-5n2YpIiTQSl7GxdEgvK8GZwfMQ0Ll3fwWheXGGkfh68Ind2WIcqt5qFhgBS24jBd6c5vEWLoylmMNOCjANAEnnagY3BTgJcCPHO~zH5pTLzmhXSQlrdqg__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
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Includes: Supplemental Content
Journal Article
Rollandite, Cu 3 (AsO 4 ) 2 -4H 2 O, a new mineral : its description and crystal structure Available to Purchase
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 September 2000
European Journal of Mineralogy (2000) 12 (5): 1045–1050.
...Halil SARP; Radovan ČERNÝ Abstract Rollandite, Cu 3 (AsO 4 ) 2 -4H 2 O, was found in the old copper mines of Roua (Alpes-Maritimes, France), associated with olivenite, conichalcite, clinotyrolite, cornubite, kolfanite, pharmacosiderite, gerhardtite, atacamite, gilmarite, wallkilldellite-Fe...
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Examples of samples from Miedzianka investigated in this study: (a) a crust... Available to Purchase
in Pseudomalachite–cornwallite and kipushite–philipsburgite solid solutions: chemical composition and Raman spectroscopy
> European Journal of Mineralogy
Published: 01 June 2016
amphibolite altered to Fe-oxides and hydroxides (Fe-ox) with chrysocolla (Ccl), whitish pseudomalachite (Pm), and cornubite (Crn), Qtz – quartz, sample M3; (d) chain of malachite spheroidal aggregates (Mal) on chrysocolla in a highly weathered amphibolite, sample M4. (online version in colour)
Image
(a) Scanning electron microscope (SEM) image of a cellular silica-rich crus... Available to Purchase
in Pseudomalachite–cornwallite and kipushite–philipsburgite solid solutions: chemical composition and Raman spectroscopy
> European Journal of Mineralogy
Published: 01 June 2016
M2; (c) SEM image of a cluster of tabular pseudomalachite crystals, sample M1; (d) BSE image showing the paragenetic sequence: chrysocolla (Ccl) – cornubite (Crn) – pseudomalachite (Pm); note the mottled contrast in pseudomalachite due to variations in P/As ratio; fractures in chrysocolla most
Journal Article
Pseudomalachite–cornwallite and kipushite–philipsburgite solid solutions: chemical composition and Raman spectroscopy Available to Purchase
Journal: European Journal of Mineralogy
Publisher: GeoScienceWorld Journals
Published: 01 June 2016
European Journal of Mineralogy (2016) 28 (3): 555–569.
... amphibolite altered to Fe-oxides and hydroxides (Fe-ox) with chrysocolla (Ccl), whitish pseudomalachite (Pm), and cornubite (Crn), Qtz – quartz, sample M3; (d) chain of malachite spheroidal aggregates (Mal) on chrysocolla in a highly weathered amphibolite, sample M4. (online version in colour) ...
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Stability relations in the Cu-Pb-arsenate system to explain assemblages suc... Available to Purchase
in Unusual Mineral Diversity in a Hydrothermal Vein-type Deposit: the Clara Mine, SW Germany, as a Type Example
> The Canadian Mineralogist
Published: 15 July 2019
Fig. 11. Stability relations in the Cu-Pb-arsenate system to explain assemblages such as the ones shown in Figure 5 . Log a Pb2+ -pH phase predominance diagram for mimetesite, duftite, bayldonite, olivenite, cornubite, and clinoclase calculated with arsenate as the main species. Input
Journal Article
Bariopharmacoalumite, a new mineral species from Cap Garonne, France and Mina Grande, Chile Available to Purchase
Journal: Mineralogical Magazine
Published: 01 February 2011
Mineralogical Magazine (2011) 75 (1): 135–144.
... 0.5 Al 4 (AsO 4 ) 3 (OH) 5 ·5H 2 O, and associated minerals including weilerite, mansfieldite, zeunerite, metazeunerite, cornubite, parnauite and olivenite. The crystals are colourless and pseudocubic, with a maximum dimension of 0.3 mm across. The crystal system was reported as tetragonal...
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Journal Article
Characterization of conichalcite by SEM, FTIR, Raman and electronic reflectance spectroscopy Available to Purchase
Journal: Mineralogical Magazine
Published: 01 April 2005
Mineralogical Magazine (2005) 69 (2): 155–167.
... Science , 204 , 227 – 236 . Frost , R.L. , Martens , W.N. and Williams , P.A. ( 2002 ) Raman spectroscopy of the phase-related basic copper arsenate minerals olivenite, cornwallite, cornubite and clinoclase . Journal of Raman Spectroscopy , 33 , 475 – 484 . Frost , R.L...
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