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![Kufahrite (PtPb) and associated minerals from Ledyanoy Creek placer. (a) Thin rim of kufahrite and tetraferroplatinum (Tfp) over isoferroplatinum (Ifp) at the contact with chromite (Chr); (b) close-up of Fig. 1a; (c) relatively large kufahrite grain associated with isoferroplatinum and tulameenite (Tlm), holotype material sample No 5576/1 stored in the Fersman Mineralogical Museum; (d) intergrowths of kufahrite and hollingworthite (Hlw) with native iridium (Ir) as inclusions in metasomatic tulameenite rim over isoferroplatinum; (e, f) polished samples from the Galmoenan complex which represent the textural position of minerals analogous to those coexisting with kufahrite, note that tulameenite and irarsite (Irs) fringe the walls of serpentine veinlets, indicating late origin of these PGM. Polished section, back-scattered electron images.]()
![Slices of reciprocal space of kufahrite.]()
![Experimentally obtained powder XRD pattern with indexed reflections that belong to kufahrite.]()
![Reflectance data for kufahrite in air. Blue line – Rmax and orange line – Rmin.]()
![Element correlation for kufahrite. Note the excellent (R2 = 0.99) Pb vs. Sb and good (R2 = 0.84) Pt vs. Rh negative correlations that point to Pb and Sb occurring at one crystallographic site, while Pt and Ru occupy the other site.]()
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kufahrite
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Journal Article
Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia Available to Purchase
Journal: Mineralogical Magazine
Published: 26 February 2021
Mineralogical Magazine (2021) 85 (2): 254–261.
...Evgeniy G. Sidorov; Anton V. Kutyrev; Elena S. Zhitova; Atali A. Agakhanov; Elena I. Sandimirova; Anna Vymazalova; Valery M. Chubarov; Andrey A. Zolotarev Abstract Kufahrite, PtPb, is a new mineral (IMA2020-045) from the Ledyanoy Creek placer, Koryak Highlands, Russia. The mineral was found...
FIGURES
Image
Kufahrite (PtPb) and associated minerals from Ledyanoy Creek placer. (a) Th... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Fig. 2. Kufahrite (PtPb) and associated minerals from Ledyanoy Creek placer. (a) Thin rim of kufahrite and tetraferroplatinum (Tfp) over isoferroplatinum (Ifp) at the contact with chromite (Chr); (b) close-up of Fig. 1a ; (c) relatively large kufahrite grain associated with isoferroplatinum
Image
Slices of reciprocal space of kufahrite. Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Fig. 5. Slices of reciprocal space of kufahrite.
Image
Experimentally obtained powder XRD pattern with indexed reflections that be... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Fig. 6. Experimentally obtained powder XRD pattern with indexed reflections that belong to kufahrite.
Journal Article
New Mineral Names: Arsenic and Lead Free
Journal: American Mineralogist
Publisher: Mineralogical Society of America
Published: 01 March 2023
American Mineralogist (2023) 108 (3): 634–636.
... are an important component in many of the newly described minerals that typically form from hydrothermal or other diagenetic processes. Here we look at nitroplumbite, thorasphite, tennantite-(Cd), paradimorphite, tombstoneite, aldomarinoite, lomardoite, dobšináite, panskyite, yugensonite, and kufahrite...
Image
Reflectance data for kufahrite in air. Blue line – R max and orange line... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Fig. 3. Reflectance data for kufahrite in air. Blue line – R max and orange line – R min .
Image
Element correlation for kufahrite. Note the excellent ( R 2 = 0.99) Pb v... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Fig. 4. Element correlation for kufahrite. Note the excellent ( R 2 = 0.99) Pb vs . Sb and good ( R 2 = 0.84) Pt vs . Rh negative correlations that point to Pb and Sb occurring at one crystallographic site, while Pt and Ru occupy the other site.
Image
Chemical data (in wt.%) ( n = 23) for kufahrite Constituent Mean ... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Table 2. Chemical data (in wt.%) ( n = 23) for kufahrite Constituent Mean Range S.D. Reference material Pt 47.51 46.31‒48.84 0.82 Pt Pb 45.41 36.83‒54.13 6.36 PbTe Sb 6.03 b.d.l.‒12.84 5.08 Sb Rh 1.21 b.d.l.‒3.69 1.22 Rh Total 100.16
Image
Powder X-ray diffraction data for kufahrite and its synthetic analogue. ... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Table 3. Powder X-ray diffraction data for kufahrite and its synthetic analogue. Kufahrite (this study) Synthetic analogue of kufahrite * (Zhuravlev et al. , 1962 ) I meas d meas (Å) h k l I meas d meas (Å) 80 3.052 1 0 1 82 3.059
Image
Reflectance data for kufahrite * . λ (nm) R min R max λ (n... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Table 1. Reflectance data for kufahrite * . λ (nm) R min R max λ (nm) R min R max 400 46.36 49.17 560 53.69 58.41 420 45.66 48.26 580 54.99 59.91 440 45.84 47.72 589 55.56 60.59 460 46.35 49.52 600 56.37 61.41 470 47.11
Image
Comparative data of kufahrite, its synthetic analogue, and closely related ... Available to Purchase
in Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafic complex, Koryak Highlands, Russia
> Mineralogical Magazine
Published: 26 February 2021
Table 4. Comparative data of kufahrite, its synthetic analogue, and closely related nickeline-group minerals: stumpflite and sudburyite. Kufahrite Synthetic PtPb Stumpflite Sudburyite Formula PtPb PtPb PtSb PdSb Crystal system Hexagonal Hexagonal Hexagonal Hexagonal
Journal Article
Newsletter 57 Available to Purchase
Journal: Mineralogical Magazine
Published: 01 October 2020
Mineralogical Magazine (2020) 84 (5): 791–794.
...., Dolníček, Z. and Gramblička, R. (2020) Argentopearceite, IMA 2020-049. CNMNC Newsletter No. 57; Mineralogical Magazine , 84 , https://doi.org/10.1180/mgm.2020.73 IMA No. 2020-045 Kufahrite PtPb Ledyanoy Creek placer, Galmoenan Massif, Koryak Highlands, Kamchatka, Russia (61°00’N, 166...
Journal Article
MGM volume 85 issue 2 Cover and Back matter Available to Purchase
Journal: Mineralogical Magazine
Published: 01 April 2021
Mineralogical Magazine (2021) 85 (2): b1–b2.
..., Madagascar 242 EVGENIY G. SIDOROV, ANTON V. KUTYREV, ELENA S. ZHITOVA, ATALI A. AGAKHANOV, ELENA I. SANDIMIROVA, ANNA VYMAZALOVA, VALERY M. CHUBAROV and ANDREY A. ZOLOTAREV : Kufahrite, PtPb, a new mineral from Ledyanoy Creek placer, Galmoenan ultramafi c complex, Koryak Highlands, Russia 254 OLEG I. SIIDRA...
