1-20 OF 148 RESULTS FOR

thiospinel

Results shown limited to content with bounding coordinates.
Follow your search
Access your saved searches in your account

Would you like to receive an alert when new items match your search?
Close Modal
Sort by
Journal Article
Published: 01 May 2014
American Mineralogist (2014) 99 (5-6): 908–913.
...Matteo Alvaro; Fabrizio Nestola; Nancy Ross; M. Chiara Domeneghetti; Leonid Reznitsky Abstract This study reports for the first time the lattice parameters and the complete crystal structure evolution with increasing pressure for a thiospinel with composition CuCr 1.7 V 0.3 S 4 (space group Fd 3̄ m...
FIGURES | View All (6)
Journal Article
Published: 01 April 1990
American Mineralogist (1990) 75 (3-4): 247–255.
...J. Charnock; C. D. Garner; R. A. D. Pattrick; D. J. Vaughan Abstract The technique of extended X-ray absorption fine structure ( exafs ) spectroscopy has been employed to study certain thiospinel minerals. The exafs spectra (and associated Fourier transforms of the spectra) of Cu and Co in end...
Journal Article
Published: 01 December 1981
American Mineralogist (1981) 66 (11-12): 1250–1253.
...David J. Vaughan; John A. Tossell Abstract Molecular orbital calculations employing the SCF-X α scattered-wave cluster method have been used to model the electronic structures of the thiospinel minerals linnaeite (Co 3 S 4 ), carrollite (CuCo 2 S 4 ) and greigite (Fe 3 S 4 ). The results, which...
Journal Article
Journal: Economic Geology
Published: 01 May 1977
Economic Geology (1977) 72 (3): 480–486.
...J. R. Craig; A. B. Carpenter Abstract Fletcherite, Cu(Ni, Co) 2 S 4 , a new thiospinel mineral, occurs in copper-rich pods in the Fletcher mine of the Viburnum Trend (New Lead Belt) of southeast Missouri. Fletcherite occurs as euhedral to subhedral crystals 5 to 200 mu m in diameter, disseminated...
Journal Article
Published: 01 April 2004
The Canadian Mineralogist (2004) 42 (2): 499–514.
...Andrei Y. Barkov; Michael E. Fleet; Robert F. Martin; Tapio A.A. Halkoaho Abstract A potentially new konderite-like sulfide of Fe, Pb, Cu, Rh, Pd, and Ir [hereafter: “Pb–(Fe)+Pd Kdr”] occurs in an intimate association with platinum-group element (PGE) thiospinel ( i.e. , cuprorhodsite...
FIGURES | View All (16)
Journal Article
Published: 01 September 2018
The Canadian Mineralogist (2018) 56 (5): 705–722.
...Christopher Edward Beckett-Brown; Andrew M. McDonald; William Zhe Abstract The rare thiospinel siegenite (CoNi 2 S 4 ) has been found in drill-core samples of quartz-norite as primary oriented intergrowths in millerite from the Morokweng impact site, South Africa. The mineral occurs as elongate...
FIGURES | View All (11)
Journal Article
Published: 01 May 2000
American Mineralogist (2000) 85 (5-6): 694–697.
...Andrei Y. Barkov; Robert F. Martin; Tapio A.A. Halkoaho; Glenn Poirier Abstract Thiospinels of Cu-(Fe) and platinum-group elements (PGE) are relatively abundant in the Kirakkajuppura PGE deposit of the Penikat layered complex, Finland. In actinolite-clinochlore rock that is nearly base-metal...
FIGURES
Image
Compositions of PGE <b>thiospinels</b>. 1) PGE <b>thiospinel</b> of Konder massif accordi...
Published: 01 April 2005
F ig . 4. Compositions of PGE thiospinels. 1) PGE thiospinel of Konder massif according to our data ( Table 5 ); 2) fields of PGE thiospinel compositions (after Rudashevsky et al. 1985 ).
Image
This ternary diagram shows the dominant <b>thiospinel</b> endmembers for the Co–Ni...
Published: 01 September 2018
Fig. 5. This ternary diagram shows the dominant thiospinel endmembers for the Co–Ni–Fe system (molar%); Cu-bearing thiospinels are not included in this diagram. The red square denotes the sensu stricto siegenite chemistry.
Image
Crystals of <b>thiospinel</b> CuRh 2 S 4  in a matrix consisting of the fibrous ph...
Published: 01 December 2007
F ig . 2. Crystals of thiospinel CuRh 2 S 4 in a matrix consisting of the fibrous phase inter-grown with minor amounts of Cu 2– x S. Quenched from 900°C. Scale bar: 10 μ m.
Image
Composition of <b>thiospinel</b> group minerals.
Published: 01 March 2007
Fig. 4. Composition of thiospinel group minerals.
Image
Photomicrographs in reflected light of <b>thiospinel</b>-bearing samples of massiv...
Published: 01 August 2006
F ig . 3. Photomicrographs in reflected light of thiospinel-bearing samples of massive oxide–sulfide veins of the carbonatitic breccia. (a) Late-stage sulfide vein, composed of chalcopyrite (cp), magnetite (mt) and millerite (mil), millerite being partially replaced by fletcherite (fl). Sample
Image
Compositional representations of <b>thiospinel</b> phases in the pseudoquaternary ...
Published: 01 August 2006
F ig . 6. Compositional representations of thiospinel phases in the pseudoquaternary system Cu 3 S 4 –Fe 3 S 4 –Co 3 S 4 –Ni 3 S 4 . Fletcherite and polydymite–violarite from Swartbooisdrif (filled symbols) are compared with various compositions of thiospinel (open squares) from the literature
Image
A, B. Large grains of PGE <b>thiospinel</b> (tsp); abundant micro-inclusions of zv...
Published: 01 October 2005
F ig . 7. A, B. Large grains of PGE thiospinel (tsp); abundant micro-inclusions of zvyagint-sevite are white (B), and the host material (epoxy) is black. C, D. Unusual micro-aggregates of PGE thiospinels (tsp), in “area 1” (C) and “area 2” (D), which are enclosed within hydrous silicates (sil
Image
COMPOSITION OF PGE-RICH <b>THIOSPINEL</b> (CUPRORHODSITE – FERRORHODSITE – CUPROIR...
Published: 01 April 2004
TABLE 5. COMPOSITION OF PGE-RICH THIOSPINEL (CUPRORHODSITE – FERRORHODSITE – CUPROIRIDSITE SERIES) ASSOCIATED WITH THE KONDERITE-LIKE SULFIDE
Image
ATOMIC PROPORTIONS OF THE PGE-RICH <b>THIOSPINEL</b> ASSOCIATED WITH THE KONDERITE...
Published: 01 April 2004
TABLE 6. ATOMIC PROPORTIONS OF THE PGE-RICH THIOSPINEL ASSOCIATED WITH THE KONDERITE-LIKE SULFIDE, PENIKAT COMPLEX
Image
A subhedral grain of <b>thiospinel</b> Cu[Rh(Pt,Ir)]S 4  (tsp), a member of the cu...
Published: 01 May 2000
F igure 1. A subhedral grain of thiospinel Cu[Rh(Pt,Ir)]S 4 (tsp), a member of the cuprorhodsite-malanite series from the Penikat layered intrusion. Note inclusions of nearly end-member zvyagintsevite (Pd 3 Pb; white) in the thiospinel. Host: epoxy (black). Back-scattered electron image. Scale
Journal Article
Published: 16 January 2020
The Canadian Mineralogist (2020) 58 (1): 99–114.
... solid solutions (MSSs), Fe- and Ni-rich pentlandite, sugakiite, heazlewoodite, chalcopyrite, and Cu-Ir-Pt-Rh-thiospinel (cuproiridsite–malanite–cuprorhodsite). We established the formation process of the metasomatic PGE-bearing sulfide inclusion by considering morphological and mineral characteristics...
FIGURES | View All (9)
Journal Article
Published: 01 January 2019
European Journal of Mineralogy (2019) 31 (1): 183–192.
... groups on the basis of dominant X anion: O 2– (oxyspinel), S 2– (thiospinel), and Se 2– (selenospinel). Each group is composed of subgroups identified according to the dominant valence and then the dominant constituent (or heterovalent pair of constituents) represented by the letter B in the formula AB 2...
FIGURES
Journal Article
Published: 01 October 2008
The Canadian Mineralogist (2008) 46 (5): 1317–1322.
...Richard A.D. Pattrick; Victoria S. Coker; Carolyn I. Pearce; Neil D. Telling; Gerrit van der Laan Abstract Using X-ray absorption spectroscopy (XAS) at the Cu L 2,3 and Co L 2,3 edges, we demonstrate that the valence state of copper in the thiospinel carrollite (CuCo 2 S 4 ) is Cu + with a d count...
FIGURES