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yukonite

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Journal Article

Yukonite-like alteration products (Ca–Fe arsenate and As-rich Fe-oxyhydroxide) formed by in situ weathering in granodiorite, Bi'r Tawilah gold prospect, Saudi Arabia

Adel A. Surour, Ahmed H. Ahmed, Hesham M. Harbi
Published: 01 November 2012
European Journal of Mineralogy (2013) 25 (1): 61–70.
DOI: https://doi.org/10.1127/0935-1221/2013/0025-2246
...Adel A. Surour; Ahmed H. Ahmed; Hesham M. Harbi Abstract Samples from drilling of the Bi'r Tawilah gold prospect in Saudi Arabia reveal the occurrence of a Ca–Fe arsenate phase, which is similar in appearance and chemistry to yukonite. Upon weathering of a granodiorite host, oxidation...
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YUKONITE FROM THE GROTTA DELLA MONACA CAVE, SANT’AGATA DI ESARO, ITALY: CHARACTERIZATION AND COMPARISON WITH COTYPE MATERIAL FROM THE DAULTON MINE, YUKON, CANADA

Anna Garavelli, Daniela Pinto, Filippo Vurro, Marcello Mellini, Cecilia Viti, Tonci Balić-Žunić, Giancarlo Della Ventura
Published: 01 February 2009
The Canadian Mineralogist (2009) 47 (1): 39–51.
DOI: https://doi.org/10.3749/canmin.47.1.39
...Anna Garavelli; Daniela Pinto; Filippo Vurro; Marcello Mellini; Cecilia Viti; Tonci Balić-Žunić; Giancarlo Della Ventura Abstract We report the first Italian occurrence of yukonite, a rare hydrated arsenate of calcium and ferric iron, from Grotta della Monaca cave, S. Agata di Esaro, Cosenza...
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Crystal symmetry and chemical composition of yukonite: TEM study of specimens collected from Nalychevskie hot springs, Kamchatka, Russia and from Venus Mine, Yukon Territory, Canada

O. Nishikawa, V. Okrugin, N. Belkova, I. Saji, K. Shiraki, K. Tazaki
Published: 01 February 2006
Mineralogical Magazine (2006) 70 (1): 73–81.
DOI: https://doi.org/10.1180/0026461067010314
...O. Nishikawa; V. Okrugin; N. Belkova; I. Saji; K. Shiraki; K. Tazaki Abstract Yukonite, a rare arsenic-bearing hydrous mineral, the crystal symmetry and variety in chemical composition of which have so far been insufficiently studied, has been found in the modern deposit of Nalychevskie hot springs...
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Yukonite, a rare Ca-Fe arsenate, from Redziny (Sudetes, Poland)

Adam Pieczka, Bozena Golebiowska, Wojciecyh Franus
Published: 01 December 1998
European Journal of Mineralogy (1998) 10 (6): 1367–1370.
...Adam Pieczka; Bozena Golebiowska; Wojciecyh Franus Abstract Yukonite, a rare hydrated Ca-Fe arsenate, occurs at Redziny (Sudetes, Poland) in a zone of weathering of a polymetallic mineralization in dolomitic marbles. Brittle, very fine-grained, gel-like aggregates of the -mineral are dark brownish...
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Ca– Fe arsenates. ( Left to right) Nearly amorphous yukonite-like grain ( G...

Published: 01 June 2009
F ig . 4. Ca– Fe arsenates. ( Left to right) Nearly amorphous yukonite-like grain ( GD05), Mn-bearing yukonite ( MG03, left), mixed pharmacosiderite– yukonite grain ( MG03, right). Note: spots and spotty rings pertain to muscovite and pharmacosiderite, whereas faint broad rings pertain
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( a ) [001] incident HRTEM image of yukonite from the Nalychevskie hot spri...

Published: 01 February 2006
F ig . 4. ( a ) [001] incident HRTEM image of yukonite from the Nalychevskie hot springs. Note the {200} (5.7 Å) and {420}(3.3 Å) lattice fringes. ( b ) Crosscut of the plate of a yukonite grain from Nalychevskie hot springs. 11.2 Å lattice fringes can be seen. ( c ) HRTEM image of yukonite
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TG curves of analysed samples: ( a ) Yukonite aggregates from Venus Mine; (...

Published: 01 February 2006
F ig . 6. TG curves of analysed samples: ( a ) Yukonite aggregates from Venus Mine; ( b ) Yukonite from Nalychevskie hot springs.
Journal Article

Synthesis, characterization, and thermodynamics of arsenates forming in the Ca-Fe(III)-As(V)-NO 3 system: Implications for the stability of Ca-Fe arsenates

Dogan Paktunc, Juraj Majzlan, Artis Huang, Yves Thibault, Michel B. Johnson, Mary Anne White
Published: 01 August 2015
American Mineralogist (2015) 100 (8-9): 1803–1820.
DOI: https://doi.org/10.2138/am-2015-5199
...Dogan Paktunc; Juraj Majzlan; Artis Huang; Yves Thibault; Michel B. Johnson; Mary Anne White Abstract Arseniosiderite and yukonite are among the important arsenate minerals occurring as secondary alteration products in relation to the oxidation of arsenopyrite and arsenian pyrite and as discrete...
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Saturation indices of arseniosiderite and yukonite, calculated from thermod...

Published: 01 August 2015
Figure 17 Saturation indices of arseniosiderite and yukonite, calculated from thermodynamic simulations performed with the PHREEQC software ( Parkhurst and Appelo 1999 ). An aqueous solution with a predetermined pH was allowed to equilibrate with atmospheric O 2 and these two minerals: (1
Journal Article

ARSENIC MINERALOGY OF NEAR-SURFACE TAILINGS AND SOILS: INFLUENCES ON ARSENIC MOBILITY AND BIOACCESSIBILITY IN THE NOVA SCOTIA GOLD MINING DISTRICTS

Stephen R. Walker, Michael B. Parsons, Heather E. Jamieson, Antonio Lanzirotti
Published: 01 June 2009
The Canadian Mineralogist (2009) 47 (3): 533–556.
DOI: https://doi.org/10.3749/canmin.47.3.533
...F ig . 4. Ca– Fe arsenates. ( Left to right) Nearly amorphous yukonite-like grain ( GD05), Mn-bearing yukonite ( MG03, left), mixed pharmacosiderite– yukonite grain ( MG03, right). Note: spots and spotty rings pertain to muscovite and pharmacosiderite, whereas faint broad rings pertain...
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Diagram showing the correlation between Si and As in yukonite.

Published: 01 February 2006
F ig . 5. Diagram showing the correlation between Si and As in yukonite.
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Mass loss curves for arseniosiderite (solid curve) and yukonite (dashed cur...

Published: 01 August 2015
Figure 10 Mass loss curves for arseniosiderite (solid curve) and yukonite (dashed curve).
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XPS spectrum of yukonite from Grotta della Monaca.

Published: 01 February 2009
F ig . 7. XPS spectrum of yukonite from Grotta della Monaca.
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TG–DTA curves of the yukonite from Grotta della Monaca.

Published: 01 February 2009
F ig . 5. TG–DTA curves of the yukonite from Grotta della Monaca.
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COMBINED MICRO-XRD AND EPMA ANALYSES AT COINCIDENT TARGETS OF YUKONITE-LIKE...

Published: 01 June 2009
TABLE 3. COMBINED MICRO-XRD AND EPMA ANALYSES AT COINCIDENT TARGETS OF YUKONITE-LIKE GRAINS
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CHEMICAL COMPOSITION OF YUKONITE FROM GROTTA DELLA MONACA CAVE AND DAULTON ...

Published: 01 February 2009
TABLE 1. CHEMICAL COMPOSITION OF YUKONITE FROM GROTTA DELLA MONACA CAVE AND DAULTON MINE
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Plots of As 2 O 5 vs. CaO data from EMPA of hydrous iron oxide and arsenat...

Published: 01 January 2014
Figure 12 Plots of As 2 O 5 vs. CaO data from EMPA of hydrous iron oxide and arsenate weathering products of sulfide oxidation. (a) data from Empire Mine SHP ( Burlak 2012 ), (b) data from Ketza River mine, Canada ( Paktunc et al. 2004 ). Yukonite has several proposed formulas ( Garavelli et al
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TEM-EDS CHEMICAL COMPOSITIONS OF YUKONITE FROM GROTTA DELLA MONACA CAVE AND...

Published: 01 February 2009
TABLE 2. TEM-EDS CHEMICAL COMPOSITIONS OF YUKONITE FROM GROTTA DELLA MONACA CAVE AND DAULTON MINE
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X-RAY POWDER-DIFFRACTION DATA FOR THE YUKONITE AGGREGATE FROM GROTTA DELIA ...

Published: 01 February 2009
TABLE 3. X-RAY POWDER-DIFFRACTION DATA FOR THE YUKONITE AGGREGATE FROM GROTTA DELIA MONACA CAVE
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TEM image of a yukonite grain and an amorphous spherule from the deposit at...

Published: 01 February 2006
F ig . 2. TEM image of a yukonite grain and an amorphous spherule from the deposit at Nalychevskie hot springs.