 | | Journal (article/letter/editorial) | | minerals in placer include ilmenite, magnetite, chromite, zircon, scheelite, gold, iridium, osmium, and...deposited in the Natural History Museum of Los Angeles County, U.S.A. D.B. Fiemmeite* F. Demartin, I. Campostrini...deposited in the Natural History Museum of Los Angeles County, California, U.S.A. D.B. American Mineralogist...O-stretching vibrations are shifted towards higher and lower values, respectively. The averages of unspecified...deposited in the Natural History Museum of Los Angeles County, U.S.A. D.B. Parafiniukite* A. Pieczka, C. Biagioni |  | Kierczak, J., Neel, C., Puziewicz, J., Bril, H. (2009) THE MINERALOGY AND WEATHERING OF SLAG PRODUCED BY THE SMELTING OF LATERITIC Ni ORES, SZKLARY, SOUTHWESTERN POLAND. The Canadian Mineralogist, 47 (3) 557-572 doi:10.3749/canmin.47.3.557 | Journal (article/letter/editorial) | | BY THE SMELTING OF LATERITIC Ni ORES, SZKLARY, SOUTHWESTERN POLAND Jakub KIERCZAK§ Université de Limoges...of Wrocław, ul. Cybulskiego 30, 50–205 Wrocław, Poland Catherine NÉEL Université de Limoges, GRESE (Groupement...of Wrocław, ul. Cybulskiego 30, 50–205 Wrocław, Poland Hubert BRIL Université de Limoges, GRESE (Groupement...reworking of lateritic ores of Ni in Szklary, Lower Silesia, southwestern Poland. Slags 1 and 2 contain 34–44...(forsterite, fayalite) and subordinate spinel (chromite), sulfides (pyrrhotite, pentlandite, heazlewoodite |  | | Journal (article/letter/editorial) | | of the Braszowice– –Brzeźnica serpentinites (SW Poland) Piotr Marian Wojtulek1*, Jacek Puziewicz1, Theodoros...Geological Sciences, pl. Maksa Borna 9, 50-204 Wrocław, Poland; piotr.wojtulek@uwr.edu.pl University of Vienna...author The Variscan Braszowice–Brzeźnica Massif (SW Poland) consists of gabbros and serpentinized peridotites...east. Sparse relics of clinopyroxene, olivine and chromite were studied within the antigorite serpentinites...and contains micrometric magnetite intergrowths. Chromite I (Cr# 44.9–54.0, Mg# 45.0–52.1, < 0.17 wt. % |  | Galliski, M. A., Marquez-Zavalia, M. F., Lira, R., Cempirek, J., Skoda, R. (2012) Mineralogy and Origin of the Dumortierite-Bearing Pegmatites of Virorco, San Luis, Argentina. The Canadian Mineralogist, 50 (4) 873-894 doi:10.3749/canmin.50.4.873 | Journal (article/letter/editorial) | | (K), fayalite (Fe), titanite (Ti), VP2O7 (V), chromite (Cr), pentlandite (Ni) and gahnite (Zn). Other...following standards: albite (Na), grossular (Ca), chromite (Cr), vanadinite (V), benitoite (BaLb), NaCl (Cl)...MnO contents (0.06–0.36 wt.%) are variable, both lower and higher than at Tanco. The TiO2 content is low...06 apfu) and Mg (1.111–2.274 apfu), and slightly lower content of Al, between ~5.6 and 6 apfu, suggesting...reported in kyanite from metamorphic rocks, but lower than in kyanite from high f(O2) environments (Deer |  | | Journal (article/letter/editorial) | | from Michałkowa, Góry Sowie Block, The Sudetes, Poland Preliminary Report Article in Contemporary Trends...from Michałkowa, Góry Sowie Block, The Sudetes, Poland – preliminary report Maciej Rybicki Tomasz Krzykawski...of Silesia, Będzińska 60 Str., 41-200 Sosnowiec, Poland; maciej.rybicki@us.edu.pl, tomasz.krzykawski@us...orthorhombic 11C pyrrhotite (Fe(1-x)S) from the Sudetes, Poland. Samples of pyrrhotite-containing two-pyroxene...is associated with pentlandite, chalcopyrite, chromite, ilmenite, gersdorffite, magnetite, biotite, magnesiohornblende |  | | Report (issue) | | Russia); froodite (Sudbury, Canada); leadamalgam, chromite, ilmenite, magnetite, gersdorffite, pyrite, chalcopyrite...Shiaonanshan, Inner Mongolia. At the Szklary serpentinite massif, Poland. In the Strathcona mine, Sudbury |  | | Book | | in Katowice Lomonosov Moscow State University Poland Russia Editorial Office MDPI St. Alban-Anlage...the Apatite Supergroup from the Szklary Pegmatite, Lower Silesia, Poland: Description and Crystal Structure...of Earth Sciences of the University of Silesia, Poland. She received a PhD (1998) and habilitation (2011)...University of Silesia, B˛edzińska 60, 41-200 Sosnowiec, Poland Faculty of Geology, Moscow State University, Vorobievy...Mn3 (PO4 )3 Cl, from the Szklary pegmatite in Lower Silesia, Poland. Szklary is the type locality for |  | Gil, Grzegorz, Bagiński, Bogusław, Gunia, Piotr, Madej, Stanisław, Sachanbiński, Michał, Jokubauskas, Petras, Belka, Zdzislaw (2020) Comparative Fe and Sr isotope study of nephrite deposits hosted in dolomitic marbles and serpentinites from the Sudetes, SW Poland: Implications for Fe-As-Au-bearing skarn formation and post-obduction evolution of the oceanic lithosphere. Ore Geology Reviews, 118. 103335 doi:10.1016/j.oregeorev.2020.103335 | Journal (article/letter/editorial) | | serpentinites and dolomitic marbles from the Sudetes, SW Poland: Implications for Fe-AsAu-bearing skarn formation...serpentinites and dolomitic marbles from the Sudetes, SW Poland: Implications for Fe-As-Au-bearing skarn formation...serpentinites and dolomitic marbles from the Sudetes, SW Poland: Implications for Fe-As-Au-bearing skarn formation...Warsaw, Ul. Żwirki i Wigury 93, 02-089 Warszawa, Poland bInstitute of Geological Sciences, Faculty of...of Wrocław, Pl. Maksa Borna 9, 50-204 Wrocław, Poland cSzkoła Wyższa Rzemiosł Artystycznych i Zarządzania |  | | Journal (article/letter/editorial) | | the distribution modulus (index of uniformity). Lower values of m suggest the production of more fines...treatment of Ni-bearing silicate ores in Szklary, southwestern Poland [50]. Its chemical composition, as obtained...describes better the PSDs obtained after grinding of chromite ores by low energy events, mention that the GGS...describes better the PSDs obtained after grinding of chromite ores by i.e., jaw and cone crushing, while the...reported that theof fractal dimension products of chromite ore had different rangesand of D values, depending |  | Klemme, Stephan, Berndt, Jasper, Mavrogonatos, Constantinos, Flemetakis, Stamatis, Baziotis, Ioannis, Voudouris, Panagiotis, Xydous, Stamatios (2018) On the Color and Genesis of Prase (Green Quartz) and Amethyst from the Island of Serifos, Cyclades, Greece. Minerals, 8 (11) 487 doi:10.3390/min8110487 | Journal (article/letter/editorial) | | Australian serpentinites [13] and jadeite-rich veins in lower Silesia [14]. Rossman concludes in his review [3]...Recent studies of chrysoprase samples from Szklary (Poland) and Sarykul Boldy (Kazakhstan) showed that...spessartine (Mn), microcline (K), ilmenite (Ti), chromite (Cr), apatite (P) and Ni-oxide (Ni). Stable isotope...slightly higher. Subsequently, the cores contain lower MgO and (3.8 wt %) and much less Al2 O3 (0.3 wt...spectra of prasiolite and amethyst crystals from Poland. Phys. Chem. Miner. 2017, 44, 365–375. [CrossRef] |  | Hawthorne, Frank C., Wise, Michael A., Černý, Petr, Abdu, Yassir A., Ball, Neil A., Pieczka, Adam, Włodek, Adam (2018) Beusite-(Ca), ideally CaMn22+(PO4)2, a new graftonite-group mineral from the Yellowknife pegmatite field, Northwest Territories, Canada: Description and crystal structure. Mineralogical Magazine, 82 (6) 1323-1332 doi:10.1180/mgm.2018.120 | Journal (article/letter/editorial) | | and Geochemistry, 30-059 Kraków, Mickiewicza 30, Poland *E-mail: frank_hawthorne@umanitoba.ca This is...following standards were used: apatite (P, Ca), chromite (Fe, Mg) and MnF2 (Mn). The concentration of Mg...140.319, and AW by the National Science Centre (Poland) grant 2015/17/N/ST10/02666. Supplementary material...Mn-rich apatite from the Szklary granitic pegmatite, Lower Silesia, southwestern Poland. The Canadian Mineralogist |  | El Mendili, Yassine, Orberger, Beate, Chateigner, Daniel, Bardeau, Jean-François, Gascoin, Stéphanie, Petit, Sébastien, Perez, Olivier (2022) Occurrence of SiC and Diamond Polytypes, Chromite and Uranophane in Breccia from Nickel Laterites (New Caledonia): Combined Analyses. Minerals, 12 (2) 196 doi:10.3390/min12020196 | Journal (article/letter/editorial) | | Article Occurrence of SiC and Diamond Polytypes, Chromite and Uranophane in Breccia from Nickel Laterites...Perez, O. Occurrence of SiC and Diamond Polytypes, Chromite and Uranophane in Breccia from Nickel Laterites...microcrystals accompanied by moissanite polytypes (SiC), chromite (FeCr2 O4 ) and uranophane crystals (Ca(UO2 )2...attributed to ultrahigh-pressure crystallization in the lower mantle. The SiC and diamond polytypes are inherited...model was proposed for micro diamonds found in chromite in podiform chromitite in serpentinite from the |  | | Journal (article/letter/editorial) | | orogen which extended across three continents from Poland, through Morocco to the USA (Fig. 2). The Variscides...rocks which formed the Precambrian through the Lower Carboniferous, when the Visean folding put an end...extension was at its maximum during the Devonian and Lower Carboniferous. Basic submarine volcanic activity...Ruhr District, Germany, to the Upper Silesian Coal Basin, Poland. The basin fill began in a flysch-type...Feist-Burkhardt et al., 2008) (Table 2). During the Lower Jurassic (Liassic) dark claystones, black shales |  | Bril, H., Zainoun, K., Puziewicz, J., Courtin-Nomade, A., Vanaecker, M., Bollinger, J.-C. (2008) SECONDARY PHASES FROM THE ALTERATION OF A PILE OF ZINC-SMELTING SLAG AS INDICATORS OF ENVIRONMENTAL CONDITIONS: AN EXAMPLE FROM SWIETOCHLOWICE, UPPER SILESIA, POLAND. The Canadian Mineralogist, 46 (5) 1235-1248 doi:10.3749/canmin.46.5.1235 | Journal (article/letter/editorial) | | AN EXAMPLE FROM ŚWIȨTOCHŁOWICE, UPPER SILESIA, POLAND Hubert BRIL§ Université de Limoges, GRESE, 123...dump in Świętochłowice, in Upper Silesia, southern Poland, are dominated by synthetic analogues of olivine...weathering, sulfates, leaching, Świętochłowice, Poland. Sommaire Les scories issues de la pyrométallurgie...historical smelter site in Spain. In Upper Silesia, Poland, the work of Zainoun (2005) shows the abundance...natural weathering of Ti-bearing magnetite and chromite in basaltic soils under a cold temperate climate |  | | Book | | deposits are formed, such as those of magnetite and chromite. During the next stage of crystallization the...results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...between that of the sample and that of the next lower grade. In this case we consider the hardness to...Different scratch hardness on kyanite 20 somewhere lower grade adding a half-grade to it. Although the determination...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual | | | Book | | deposits are formed, such as those of magnetite and chromite. During the next stage of crystallization the...results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned jn such a way that they form...that of the next lower grade. In this case we consider the hardness to be of the lower grade adding a half-grade...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...easier. The granular aggregates of magnetite and chromite look very similar. However they can be easily |  | Fritsch, Emmanuel, Juillot, Farid, Dublet, Gabrielle, Fonteneau, Lionel, Fandeur, Dick, Martin, Etienne, Caner, Laurent, Auzende, Anne-Line, Grauby, Olivier, Beaufort, Daniel (2016) An alternative model for the formation of hydrous Mg/Ni layer silicates ('deweylite'/'garnierite') in faulted peridotites of New Caledonia: I. Texture and mineralogy of a paragenetic succession of silicate infillings. European Journal of Mineralogy, 28 (2) 295-311 doi:10.1127/ejm/2015/0027-2503 | Journal (article/letter/editorial) | | lizardite (710 C) and antigorite (720 C). The lower temperatures of dehydroxylation reported in our...Mitsis, 2006), which could as well result from lower temperatures of formation. Indeed, laboratory experiments...Kozubowski, J. (2000): A. Layer silicates from Szklary (Lower Silesia): from ocean floor metamorphism to...Ni-containing talc-like minerals from Szklary, Lower Silesia, Poland. in ‘‘International Clay Conference...profile: Part 1. Supergene dissolution of Pt-bearing chromite. Am. Mineral., 93, 22–30. Trescases, J.-J. (1969): |  | Colin, F., Nahon, Daniel, Trescases, Jean-Jacques, Melfi, A. J. (1990) Lateritic weathering of pyroxenites at Niquelandia, Goias, Brazil; the supergene behavior of nickel. Economic Geology, 85 (5) 1010-1023 doi:10.2113/gsecongeo.85.5.1010 | Journal (article/letter/editorial) | | (Girardi et al., 1986). The complexconsistsof a lower and an upper sequence(Araujoet al., 1972; Figueiredoet...1986). 1012 COLIN, NAHON, TRESCASES, AND MELFI lower sequenceis composedof a basallayered zone of gabbro...anorthosite,and upper amphibolite(Fig. 1). The lower sequenceis in tectonic contact with older metamorphicrocks(gneiss...shown that mafic and ultramafic rocks from the lower sequenceare intrusionsand formed by fractional... and that the lower and upper sequenceare comagmatic. The ultramaficunitsof the lower sequenceform the | | | Book | | deposits are formed, such as those of magnetite and chromite. During the next stage of crystallization the...results in a pseudo-symmetry, i.e. crystals of lower symmetry are twinned in such a way that they form...this case we consider the hardness to be of the lower grade adding a half-grade to it. Although the determination...fibrous and porous aggregates often seem to have a lower hardness because of the blank spaces between individual...easier. The granular aggregates of magnetite and chromite look very similar. However they can be easily |  | Vítková, M., Ettler, V., Johan, Z., Kříbek, B., Šebek, O., Mihaljevič, M. (2010) Primary and secondary phases in copper-cobalt smelting slags from the Copperbelt Province, Zambia. Mineralogical Magazine, 74 (4) 581-600 doi:10.1180/minmag.2010.074.4.581 | Journal (article/letter/editorial) | | shales in the low-grade metamorphosed parts of the Lower Roan Group (Kamona and Nyambe, 2002). The most abundant...essentially restricted to its lowermost part, the Lower Roan Group, which consists of footwall conglomerates...wt.%) and is essentially composed of spinels (chromite and magnetite) and sulphides. Discussion Chemical...presence of leucite was also noted in Zn slags from Poland (Puziewicz et al., 2007) and reflects an initially...systematically observed in quenched samples. At lower temperatures, the bornite stability field shrinks |  | | Journal (issue) | | to the c-axis, the c-axis runs diagonally from lower left to upper right. Crossed polarizers. 20x. 473...2 , 8 Rift Valley volcanics p S 5 S— Cr Chromite occurrence Cn Corundum occurrence Granite ...(reddest) stones. The chrome values are slightly lower than those reported by Hughes (1990) for Mangari...Cr 2 0 3 and locally, in Kenya, host podiform chromite (Key, 1987). Iron contents are very low which...grains Plate 12. 12. Intergrowth of clustered in lower left hand corner of the plate. Sample 9. Field of |  | Levard, Clément, Doelsch, Emmanuel, Rose, Jérôme, Masion, Armand, Basile-Doelsch, Isabelle, Proux, Olivier, Hazemann, Jean-Louis, Borschneck, Daniel, Bottero, Jean-Yves (2009) Role of natural nanoparticles on the speciation of Ni in andosols of la Reunion. Geochimica et Cosmochimica Acta, 73 (16) 4750-4760 doi:10.1016/j.gca.2009.05.053 | Journal (article/letter/editorial) | | of Cr due to the presence of discrete bodies of chromite (Albarède et al., 1997), whereas Ni substitutes... During weathering of the serpentinite massif Szklary (SW Polland), Kierczak et al. (2007) showed that...(Fig. 4). This adsorption level was about twofold lower than levels reported in the literature for Ni adsorption...denser fraction (d > 2.9). However, low amounts of chromite (spinel-type mineral (CrFe2O4)) were identified...even if organic matter is rather expected in the lower densimetric fractions d < 1.9, it has been previously |  | | Book | | formed, such as those of magnetite, ilmenite, chromite, pyrrhotite, chalcopyrite, pentlandite and platinum...Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in | | | Book | | formed, such as those of magnetite, ilmenite, chromite, pyrrhotite, chalcopyrite, pentlandite and platinum...Such metals as Cu, Ag and Zn often pass from a lower oxidation zone to a deeper cementation zone where...is harder and the test may proceed to the next lower grade. Not much force on the scratching point is...aggregates or weathered minerals have usually a lower hardness than the single or unaltered crystals of...For instance, hematite (hardness 6) will have a lower hardness in the radiating or earthy form than in |  | | Journal (article/letter/editorial) | | combining the commodity (lines) shown by numbers plus lower caps with the host rocks or structure (columns)...Choloalite Chondrodite Chrisstanleyite Christite Chromite Chrysoberyl Chrysocolla Chrysoprase Cinnabarite...vapor-derived fluid) of any composition with a density lower than its critical density are involved in the formation...greater than 90% olivine, with minor pyroxene and chromite. A coarse-grained mafic (basaltic in composition)...diopside, phlogopite, enstatite and of Tipoor chromite plus spinel. Other types may contain additional |
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