 | | Journal (article/letter/editorial) | | 3749/canmin.48.5.1149 ATHENEITE, [Pd2][As0.75Hg0.25], FROM ITABIRA, MINAS GERAIS, BRAZIL: CRYSTAL STRUCTURE...mineral atheneite was solved using intensity data collected from a crystal from Itabira, Minas Gerais, Brazil...data listed in the scientific literature for atheneite according to the structural results obtained here...here leads to an excellent agreement. Keywords: atheneite, Pd arsenides, structure solution, crystal-structure...prélevées sur un cristal provenant d’Itabira, Minas Gerais, Brésil. La structure est hexagonale, groupe |  | Kwitko, R., Cabral, A. R., Lehmann, B., Laflamme, J.H. G., Cabri, L. J., Criddle, A. J., Galbiatti, H. F. (2002) HONGSHIITE, PtCu, FROM ITABIRITE-HOSTED Au Pd Pt MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 40 (2) 711-723 doi:10.2113/gscanmin.40.2.711 | Journal (article/letter/editorial) | | Au–Pd–Pt MINERALIZATION (JACUTINGA), ITABIRA DISTRICT, MINAS GERAIS, BRAZIL ROGERIO KWITKO§ Centro de Desenvolvimento...Doce, BR 262/ km 296, 33030-970 Santa Luzia – MG, Brazil ALEXANDRE R. CABRAL§ AND BERND LEHMANN Institut...Sul, Companhia Vale do Rio Doce, 35900-900 Itabira-MG, Brazil ABSTRACT Hongshiite occurs associated with...mineralization of the Quadrilátero Ferrífero, central Minas Gerais, Brazil. Hongshiite occurs in grains up to about...hongshiite precipitation. Sperrylite, isomertieite, atheneite, sudovikovite, a “guanglinite”-like phase, an |  | | Journal (article/letter/editorial) | | Palladium arsenide-antimonides from habira, Minas Gerais, Brazil A. M. CLARK, A. J. C R I D D L E , AND E...arsenopalladinite concentrates from Itabira, Minas Gerais, Brazil, have been found to contain three a...arsenide-antimonidesof palladium, namely arsenopalladinite, atheneite, and isomertieite. The second and third of these...38"97-4P32, and 40"28-43"07. VHN10o 379-449, av. 4o7. Atheneite, (Pd, Hg)3As, is hexagonal, space group P6/mmm...(321). Z =2. Dcale = IO'16. In reflected light atheneite is white with a faint bluish tint compared to |  | Vymazalova, A., Laufek, F., Drabek, M., Cabral, A. R., Haloda, J., Sidorinova, T., Lehmann, B., Galbiatti, H. F., Drahokoupil, J. (2012) JACUTINGAITE, Pt2HgSe3, A NEW PLATINUM-GROUP MINERAL SPECIES FROM THE CAUE IRON-ORE DEPOSIT, ITABIRA DISTRICT, MINAS GERAIS, BRAZIL. The Canadian Mineralogist, 50 (2) 431-440 doi:10.3749/canmin.50.2.431 | Journal (article/letter/editorial) | | FROM THE CAUÊ IRON-ORE DEPOSIT, ITABIRA DISTRICT, MINAS GERAIS, BRAZIL Anna VYMAZALOVÁ§, František LAUFEK...Avenida de Ligação 3580, 34000-000 Nova Lima, Minas Gerais, Brazil Jan DRAHOKOUPIL Institute of Physics of...discovered at the Cauê iron-ore deposit, Itabira district, Minas Gerais, Brazil. Observed in a polished section...about 50 mm across and occurs on an aggregate of atheneite, potarite and hematite. The new mineral is partly...X-ray-diffraction data, crystal structure, Cauê deposit, Minas Gerais, Brazil. § E-mail address: anna.vymazalova@geology |  | | Journal (article/letter/editorial) | | Allemontite Discredited;seeStibarsen.(B. F. Leonard) Atheneite* A. M. Crenr, A. J. Cnronre, eNo E. E. FB.rBn...Palladium arsenide-antimonides from ltabira. Minas Gerais, Brazil. Mineral. Mag. 39, S2B-543. Electron microprobe...residual concentrates from gold washings at ltabira, Brazil. Intergrowths with arsenopalladinite occur, and...Palladium arsenide-antimonides from Itabira. Minas Gerais, Brazil. Mineral. Mag. 39, 528-543. Electron...size in concentrates from gold washings at Itabira, Brazil. In one grain it was intergrown with arsenopalladinite |  | | Journal (article/letter/editorial) | | platinum from ouro preto-bearing mineralisation in Brazil Alexandre Raphael Cabral a,b,⁎, Bernd Lehmann a...that triggered two major gold rushes in Brazil (Minas Gerais and Serra Pelada). The auriferous mineralisations...mineralisations of Gongo Soco and Itabira, Minas Gerais, and Serra Pelada, Pará, have Pd–O-bearing, dark-coloured...ideally Pd17Se15, and sudovikovite, PtSe2, at Itabira; and, exclusively to Serra Pelada, empirical Pd9PtSe2...Ouro preto; Gongo Soco; Itabira; Serra Pelada; Brazil 1. Introduction Brazil had two major gold rushes |  | | Report (issue) | | a = 10.635 Z=2 X-ray Powder Pattern: Itabira district, Brazil. 1.887 (vvs), 2.832 (vs), 2.571 (s), 2...(3) 60.43 100.63 100.00 39.57 (1) Itabira district, Brazil; by electron microprobe, corresponding...24 )Σ=17.56 Se14.44 . (2) Cauê mine, Itabira district, Brazil; by electron microprobe, average of seven...washings (Itabira district, Brazil); in specularite and magnetite (Cauê mine, Itabira district, Brazil). Association:...Arsenopalladinite, isomertieite, atheneite (Itabira district, Brazil); palladian gold, isomertieite, sudovikovite |  | Cabral, A. R., Lehmann, B., Kwitko-Ribeiro, R., Costa, C. H. C. (2002) Palladium and platinum minerals from the Serra Pelada Au-Pd-Pt deposit, Carajas mineral province, northern Brazil. The Canadian Mineralogist, 40 (5) 1451-1463 doi:10.2113/gscanmin.40.5.1451 | Journal (article/letter/editorial) | | Au–Pd–Pt DEPOSIT, CARAJÁS MINERAL PROVINCE, NORTHERN BRAZIL ALEXANDRE RAPHAEL CABRAL§ AND BERND LEHMANN Institut...Doce, BR 262/ km 296, 33030-970 Santa Luzia – MG, Brazil CARLOS HENRIQUE CRAVO COSTA Diretoria de Metais...Serra dos Carajás, 68516-000 Parauabepas – PA, Brazil ABSTRACT The Serra Pelada garimpo (1980–1984)...gold: “guanglinite”, Sb-bearing “guanglinite”, atheneite and isomertieite, including the noteworthy presence...Serra Pelada garimpo, Carajás mineral province, Brazil. SOMMAIRE Le garimpo de Serra Pelada (1980–1984) |  | | Report (issue) | | 31.48 101.39 (1) Cauê deposit, Itabira District, Minas Gerais, Brazil; average of 3 electron microprobe...Potarite, atheneite, hematite. Distribution: Cauê iron-ore deposit, Itabira District, Minas Gerais, Brazil...specular hematite, known as “jacutinga” in Minas Gerais, Brazil. Type Material: GeoMuseum, Technical University...from the Cauê iron-ore deposit, Itabira District, Minas Gerais, Brazil. Can. Mineral., 50(2), 431-440 |  | | Report (issue) | | 92◦ 530 β = 119◦300 X-ray Powder Pattern: Itabira, Brazil. 2.13 (100), 2.34 (60), 1.41 (40), 1.24 (30)...(1) 77.56 0.02 17.08 5.15 Total 99.81 (1) Itabira, Brazil; by electron microprobe, average of 13 grains;...palladian gold, atheneite, stillwaterite, palladseite, isomertieite, quartz (Itabira district, Brazil); gpold...gpold, palladium, palladesite (Cauê mine, Brazil); stillwaterite, braggite, vysotaskite, sperrylite, hollingworthite...intrusion, Finland). Distribution: In Brazil, from Minas Gerais, in the Itabira district [TL], and at the Caue |  | | Report (issue) | | a = 12.283 Z=8 X-ray Powder Pattern: Itabira district, Brazil. 2.167 (100), 2.356 (90), 1.533 (70),...57 9.58 Total 99.01 100.43 100.00 (1) Itabira district, Brazil; by electron microprobe, corresponding...metal deposits (Itabira district, Brazil). Association: Arsenopalladinite, atheneite, palladseite, hematite...hematite, gold (Itabira district, Brazil); chalcopyrite, millerite, kotulskite, arsenopalladinite, hematite... Distribution: In Brazil, in gold placers from the Itabira district, Minas Gerais [TL] and in the Serra |  | | Report (issue) | | Atheneite (Pd, Hg)3As c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Hexagonal. Point...798 c = 3.483 Z=2 X-ray Powder Pattern: Itabira, Brazil. 2.423 (vvs), 2.246 (vs), 1.371 (s), 1.302...96 13.79 0.47 0.08 < 0.07 17.48 100.93 (1) Itabira, Brazil; by electron microprobe; corresponds to (Pd2...Cu0.01 Au0.01 )Σ=3.00 As1.09 . (2) Serra Pelada, Brazil; by electron microprobe, corresponds to (Pd2.67...isomertieite, hematite (Itabira, Brazil). Distribution: In Brazil, from Itabira [TL], and in the Cauê |  | | Journal (article/letter/editorial) | | Technology] at 08:56 14 October 2014 for Which Brazil Is the Type Locality DANIEL ATENCIO Geoscience...05422-970 Slo Paulo, Brazil w h e r e are several minerals first described from Brazil, many of which are...(1962) in the Sapucain pegmatite, GalilCia, Minas Gerais. Brazil, and regarded as the type specimen, seems...descriptions of staringite, tantalaeschynite-(Y). atheneite, isomertieite. bahianite, palladseite. whiteite-(CaFeMg)...a niiiieral from several occurrences, including Brazil. but none of the investigated qwcimens was designated |  | Karimova, Oxana V., Grokhovskaya, Tatiana L., Zolotarev, Andrey A., Gurzhiy, Vladislav V. (2016) Crystal Structure Refinements of Isomertieite, Pd11Sb2As2, and Törnroosite, Pd11As2Te2. The Canadian Mineralogist, 54 (2) 511-517 doi:10.3749/canmin.1500039 | Journal (article/letter/editorial) | | the concentrates from gold washing at Itabira, Minas Gerais, Brazil (Clark et al. 1974). The concentrates...them two new mineral phases: isomertieite and atheneite. The name isomertieite was approved by the Commission...91(Te1.65Bi0.3)R1.95 The chemical formula of atheneite [(Pd,Hg)3As] was also revised (Bindi 2010). Crystal...but not to the Pd position. The new formula of atheneite is Pd2(As0.75Hg0.25). Yuorelainen et al. (1982)...BINDI, L. (2010) Atheneite, [Pd2][As0.75Hg0.25], from Itabira, Minas Gerais, Brazil: crystal structure |  | | Report (issue) | | average of analyses on four grains. (2) Itabira district, Brazil; by electron microprobe. (3) PtCu. Occurrence:...by platinum from which copper has been leached (Brazil); in Alpine-type ultramafic intrusives and related...isomertieite, atheneite, sudovicovite, palladian gold, platinum, platinian tetra-auricupride (Brazil) Distribution:...Cauê and Conceição iron mines, Itabira district, Minas Gerais, Brazil. Name: For its occurrence near...Au–Pd–Pt mineralization (jacutinga), Itabira district, Minas Gerais, Brazil. Can. Mineral., 40, 711–723. (7) |  | Cabral, A. R., Lehmann, B., Tupinamba, M., Schlosser, S., Kwitko-Ribeiro, R., de Abreu, F. R. (2009) THE PLATINIFEROUS Au-Pd BELT OF MINAS GERAIS, BRAZIL, AND GENESIS OF ITS BOTRYOIDAL Pt-Pd AGGREGATES. Economic Geology, 104 (8) 1265-1276 doi:10.2113/gsecongeo.104.8.1265 | Journal (article/letter/editorial) | | COMMUNICATIONS THE PLATINIFEROUS Au-Pd BELT OF MINAS GERAIS, BRAZIL, AND GENESIS OF ITS BOTRYOIDAL Pt-Pd AGGREGATES...Xavier 524 s. A4016, 20550-050 Rio Janeiro-RJ, Brazil 4 Curt-Engelhorn-Zentrum 5 Centro Archäometrie...Luzia-MG, Brazil 6 Votorantim Metais, Praça Ramos de Azevedo 206, 01037-010 São Paulo-SP, Brazil Abstract...240-km-long, north-trending Au-Pd-Pt belt in Minas Gerais, Brazil, which hosts hydrothermal Pd-Pt−bearing...its southern part (Quadrilátero Ferrífero and Itabira district) and alluvial Pd-Pt-Au mineralization |  | | Journal (article/letter/editorial) | | described from the Cauê iron-ore deposit, Minas Gerais, Brazil. At 400°C, the following assemblages are...Cauê iron-ore deposit in the Itabira iron-ore district, Minas Gerais, Brazil. This phase occurs on an aggregate...aggregate of potarite, PdHg, atheneite, (Pd,Hg)3As, and hematite. With the support of documentation on...the Pd–Pt-bearing auriferous mineralization in Brazil (Cabral & Lehmann 2007) made the phase relations...auriferous veins at the Cauê iron-ore deposit, Itabira district (Kwitko et al. 2002, Cabral et al. 2008 |  | Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., Kaneko, K. (2002) Hg–Tl-bearing manganese oxide from Conta História manganese deposit, Quadrilátero Ferrifero, Minas Gerais, Brazil. Applied Earth Science, 111 (2) 123-127 doi:10.1179/aes.2002.111.2.123 | Journal (article/letter/editorial) | | Ferrifero, Minas Gerais, Brazil occur in the Palaeoproterozoic Itabira Iron Formation (Itabira Group)....Ferrífero, the world-class iron district of Minas Gerais, Brazil, numerous manganese oxide deposits Table...deposit comprises rocks of the Palaeoproterozoic Itabira Iron Formation metamorphosed 2 3 4 5 6 7...amphibolite-facies conditions. The Itabira Iron Formation,25 or the Itabira Group,20 consists predominantly...age of 2400 m.y.,2 the Itabira Iron Formation is the middle unit of the Minas Supergroup, which includes |  | | Journal (article/letter/editorial) | | minerals from the Caua iron mine, Itabira District, Minas Gerais, Brazil GFMA RIBEIROOLIVOANDMICHELGAUTHIER...minerals from the Cau~ iron mine, Itabira District, Minas Gerais, Brazil, are found in goldrich jacutinga...minerals, palladseite, arsenopalladinite, CauE mine, Brazil, jacutinga. Introduction minerals, but as most...palladium-bearing gold ore of the Cau~ iron mine, Itabira District, Brazil, are reported and discussed in terms of...of their genesis. PALLADIUMminerals in the Itabira region were first described by Clark et al. (1974) |  | Koglin, Nikola, Cabral, Alexandre Raphael, Brunetto, Wilson José, Vymazalová, Anna (2012) Gold–tourmaline assemblage in a Witwatersrand-like gold deposit, Ouro Fino, Quadrilátero Ferrífero of Minas Gerais, Brazil: the composition of gold and metallogenic implications. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 189 (3) 263-273 doi:10.1127/0077-7757/2012/0223 | Journal (article/letter/editorial) | | deposit, Ouro Fino, Quadrilátero Ferrífero of Minas Gerais, Brazil: the composition of gold and metallogenic...Moeda Formation of the Minas Supergroup, Quadrilátero Ferrífero of Minas Gerais, Brazil, has visible gold...relatively more oxidised rocks of the overlying Itabira Group. Key words: gold, tourmaline, mercury, Ouro...metasedimentary Minas Supergroup of the Quadrilátero Ferrífero of Minas Gerais, Brazil, has gold compositions...gold–palladium belt of Minas Gerais (CABRAL et al. 2009), which involves hematite-rich rocks of the Minas Supergroup |  | | Journal (article/letter/editorial) | | Sonora, cesbronite, 744; quetzalcoatlite, 26i Brazil Igarapd Jornal, Serra do Navio, Amapd, nigerite...tourmaline, gahnite, 837 Itabira, Minas" Gerais, arsenopalladinite, atheneite, isomertieite, (?) palladinite...palladinite (mercurian), Pd selenide, 528 Itinga, Minas Gerais, eosphorite, 895 Raposa pegmatite, S~o Josd |  | Cabral, A. R., Lehmann, B., Kwitko, R., Costa, C. H. C. (2002) The Serra Pelada Au-Pd-Pt deposit, Carajas mineral province, northern Brazil: reconnaissance mineralogy and chemistry of very high grade palladian gold mineralization. Economic Geology, 97 (5) 1127-1138 doi:10.2113/gsecongeo.97.5.1127 | Journal (article/letter/editorial) | | Au-Pd-Pt DEPOSIT, CARAJÁS MINERAL PROVINCE, NORTHERN BRAZIL: RECONNAISSANCE MINERALOGY AND CHEMISTRY OF VERY...296, Caixa Postal 09, 33030-970 Santa Luzia-MG, Brazil AND C.H. CRAVO COSTA Companhia Vale do Rio Doce—CVRD...51, Serra dos Carajás, 68516-000 Parauabepas-PA, Brazil Abstract A historic drill core from the Serra...palladseite and sudovikovite from the type localities of Itabira (Davis et al., 1977) and Karelia (Polekhovskii...Pd and Hg at the high end. Potarite (PdHg) and atheneite ([Pd,Hg]3As) were documented in the near-surface |  | | Journal (article/letter/editorial) | | u) erlichmanite/laurite v) atheneite/arsen opalladinite w) atheneite/pa]ladobismu tharsenide x) ath...As2.s S b o . 5 51.0-53.3 379-449 a tricl. atheneite (Pd, Hg)3AS? 51.3-58.6 419-442 a hex. atokite...Palladium arsenide-antimonides from Itabira, Minas Gerais, Brazil. Min. Mag. 39,528-543. Evstigneeva, |  | | Journal (article/letter/editorial) | | BURKE (E. A. J.), Tantal-aeschynite from Borborema, Brazil, 57I Afwillite, Ireland, stability of, decomposition...Donegal, Ireland, staurolite, 672 Arsenopalladinite, Brazil, anal., opt., hardness, X-ray, 528 ASARI (T.)..., opt., isomorphous substitutions in, 97 Atheneite, Brazil, anal., opt., hardness, X-ray, 528 Augite... E.), Palladium arsenide-antimonides from Itabira, Brazil, 528 Clinoamphibole, Ghana, anal., opt., 224;...structures in a metamorphosed dolerite, 816 Eosphorite, Brazil, FeO in, 895 Ephesite, S. Africa, infra-red spectrum |  | Hazen, R. M., Golden, J., Downs, R. T., Hystad, G., Grew, E. S., Azzolini, D., Sverjensky, D. A. (2012) Mercury (Hg) mineral evolution: A mineralogical record of supercontinent assembly, changing ocean geochemistry, and the emerging terrestrial biosphere. American Mineralogist, 97 (7) 1013-1042 doi:10.2138/am.2012.3922 | Journal (article/letter/editorial) | | [Hg2+]3SbAsS3 CA01, GE01, KG02, US-NV05 2638 0 Atheneite Pd2(As0.75Hg0.25) BR01, BR02, RU04, ZA01 2058...species. The ninetieth mineral in our list is atheneite [Pd2(As0.75Hg0.25)], which is a valid mineral...(Schubert et al. 1963). Nonetheless, we have included atheneite as an Hg mineral because of the substantial Hg...(14–16 wt%) at the type locality of Itabira, Minas Gerais, Brazil, and at Serra Pelada (Serra Leste) Au-(Pd-Pt)...Au-(Pd-Pt) deposit, Pará, Brazil (Bindi 2010). However, we have not included the questionable mineral |
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Itabira, Minas Gerais, Brazil