 | Cabral, Alexandre Raphael, Zeh, Armin, Viana, Nívea Cristina da Silva, de Castro, Marco Paulo, Laufek, František, Lehmann, Bernd, Queiroga, Gláucia (2019) Alabandite (MnS) in metamorphosed manganiferous rocks at Morro da Mina, Brazil: palaeoenvironmental significance. European Journal of Mineralogy, 31 (5) 973-982 doi:10.1127/ejm/2019/0031-2879 | Journal (article/letter/editorial) | | 3 ± 1.4 mol% FeS and makes up aggregates with graphite and molybdenite. A comparison of alabandite occurrences...alabandite + graphite; (2) alabandite + graphite + molybdenite; (3) alabandite + rhodochrosite + molybdenite;...molybdenite; (4) and alabandite + rhodochrosite. The different assemblages suggest that manganese sulfide formed...metamorphic overprint. Key-words: alabandite; graphite; molybdenite; palaeoenvironment; redox conditions;...component (Roy, 1965), together with ubiquitous graphite and a variety of manganese-silicate minerals, |  | | Journal (article/letter/editorial) | | INDEX Names of authors are in capitals, subjects in lower case roman, and localities in italics; book reviews...429 Arsenopalladinite, from the Cau~ iron mine, Itabira District, Minas Gerais, Brazil, 455 ARSLAN,M., 750...kintoreite, a new mineral from Broken Hill, 143 AUSTRIA, deposition and transport of gold in the Veitsch... palladium minerals from the Cau8 iron mine, Itabira District, Minas Gerais, 455 BRIGATrl, M.F., 149...mineral from USA, 305 Chondrite, mineralogy of a graphite-containing fragment in the Krymka chondrite, 443 |  | | Journal (issue) | | Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of...unit. For instance, in BradSăcărâmb metallogenic district, the Au:Ag ratio is relatively uniform (45% to...metallogenic criterion: province, subprovince, district, sector, field/ node (Fig. 2) . 7 Fig. 1. Example...relevant metallogenic units (node, field, sector, district) were made. For samples sourced abroad, a summary |  | | Journal (article/letter/editorial) | | hornfels chill-zone is evident at both the upper and lower contact of the sill with the sedimentary rocks....pectolite, pyrite, pyrrhotite, rhabdophane, rhodochrosite, quartz, serandite, siderite, those in the smectite...Press. ON THE NATURAL OCCURRENCE OF SPHERICAL GRAPHITE. J. A. Janczuk, Department of Physics and the...49931. One usually imagines fine specimens of graphite as having well-formed hexagonal crystals, either...prized because the ease with which crystals of graphite can be deformed more often yields damaged specimens |  | | Journal (article/letter/editorial) | | Host Minerals of Permian Pegmatites from Koralpe (Austria): Deciphering the Permian Fluid Evolution during...Earth Sciences, University of Graz, 8010 Graz, Austria; martina.husar@edu.uni-graz.at (M.H.); anna.mikulics@edu...Host Minerals of Permian Pegmatites from Koralpe (Austria): Deciphering the Permian Fluid Evolution during...that led to partial melting of metasediments at lower and middle crustal levels along with granulite and...metamorphic in origin that formed in equilibrium with graphite and NH4 -containing micas and/or feldspars in |  | Paar, Werner H., Roberts, Andrew C., Berlepsch, Peter, Armbruster, Thomas, Topa, Dan, Zagler, Georg (2004) Putzite, (Cu4.7Ag3.3) ∑8GeS6, a new mineral species from Capillitas, Catamarca, Argentina: description and crystal structure. The Canadian Mineralogist, 42 (6) 1757-1769 doi:10.2113/gscanmin.42.6.1757 | Journal (article/letter/editorial) | | Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria ANDREW C. ROBERTS Geological Survey of Canada...Salzburg, Hellbrunnerstrasse 34, A-5020 Salzburg, Austria ABSTRACT Putzite, chemically (Cu4.7Ag3.3)8GeS6...dumps near the Rosario vein, Capillitas mining district, Department of Andalgalá, Catamarca Province,...data, crystal structure, Rosario vein, Capillitas district, Farallón Negro complex, Catamarca Province, Argentina...réflectance, structure cristalline, veine de Rosario, district de Capillitas, complexe de Farallón Negro, province |  | Bindi, Luca, Putz, Hubert, Paar, Werner H., Stanley, Christopher J. (2017) Omariniite, Cu8Fe2ZnGe2S12, the germanium analogue of stannoidite, a new mineral species from Capillitas, Argentina. Mineralogical Magazine, 81 (5) 1151-1159 doi:10.1180/minmag.2016.080.164 | Journal (article/letter/editorial) | | Karl-Lötsch-Strasse 10, A-4840 Vöcklabruck, Austria Pezoltgasse 46, A-5020 Salzburg, Austria Natural History Museum, Cromwell...crystal structure, La Rosario vein, Capillitas district, Catamarca Province, Argentina. Introduction OMARINIITE...vein-type Ag-Pb-Zn (-Cu) deposits (e.g. Freiberg district, Saxony, Germany; Höll et al., 2007). The mineralogy...and mineralization 1152 The Capillitas mining district is part of the Farallón Negro Volcanic Complex...known mainly for the occurrence of gem-quality rhodochrosite. The epithermal veins are hosted in rhyolite |  | | Book (edition) | | of pyrite (creme) is much higher than that of graphite (brownish grey), which shows grooves at the contact...main axes of the lattice, while the hexagonal graphite is made up of carbon sheets with very little bonding...(continued) Pressure twins are commonly found in graphite or molybdenite, where they are easily identified...grains. Left: Simple (upper right) and complex (lower left) twinning of gudmundite (blue and brown anisotropy)...longer fit into the same crystal lattice at the lower temperature; examples are, for instance, surplus |  | | Journal (article/letter/editorial) | | Garnet from the Koralpe Mountains (Eastern Alps, Austria) Martina Husar and Kurt Krenn * Institute of Earth...Graz Geocenter, University of Graz, 8010 Graz, Austria; martina.husar@edu.uni-graz.at * Correspondence:...comprising CO2 -N2 -rich fluid inclusions with lower densities up to 0.85 g/cm3 . This fluid composition...for garnet crystallization during anatexis from lower (ca. 25 km) up to middle crustal levels (12–15 km)...Garnet from the Koralpe Mountains (Eastern Alps, Austria). Minerals 2022, 12, 873. https:// doi.org/10.3390/min12070873 |  | | Journal (issue) | | JANUARY–FEBRUARY 2019 Articles The Almadén mining district, Ciudad Real, Spain ............................ Maharashtra, India 6 cm The Almade;n Mining District, Ciudad Real, Spain Borja Sainz de Baranda Graf...Alcala de Henares (Spain) The Almadén Mining District exploited the largest mercury deposit in the world...in 2012, the district was declared a World Heritage Site by Unesco. The Almadén District has yielded excellent...donharrisite. INTRODUCTION The Almadén mining district exploited the largest mercury deposit in the world |  | | Journal (issue) | | of the Kombat mine, Namibia ................................ 421 by P. J. Dunn Graphite from Crestmore....439 by S. Petrussenko Minerals of the Beltana mine, Puttapa, South A ustralia 449 by P. Elliot Columns...ichigan 49930 (906) 482-9560 Michigan native copper; mine owner; wholesale, retail 411 Museum o f Geological...striking a deal with the quarry owner for the rights to mine specimens. Sparse sprays of cavansite encountered...for granting Bhale and his colleagues the right to mine and remove cavansite, the bonanza in the main quarry |  | | Book | | times, and there is evidence of at least one flint mine dating from this period. Finely worked and polished...derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...below. South Africa. Below right Coarsely foliated graphite. Rap;edara, Cevlon. PLATE 1 C '9 1 Orthorhombic...of these fourfold axes in all. The considerably lower symmetry of a monoclinic crystal is shown in Fig...crystallographic symmetry of a body may often be lower than its apparent geometric symmetry. In a pyrite |  | | | | surrounded ce ne white calcite, from!iheBluebell Mine; Riondel, Digitized by the Internet Archive...element. Gold, copper, silver, platinum, bismuth and graphite fall in this subdivision. Sulphides and arsenides:...cassiterite, calcite, aragonite, dolomite, siderite, rhodochrosite, malachite, azurite, gypsum, anhydrite, baryte...description is not clear, e.g., submetallic, for graphite. Adamantine: brilliant, hard, durable, e.g., diamond...yellow), p. 50 chalcocite (dark grey), p. 34 | graphite (steel grey, black), p. 30 | stibnite (lead grey) |  | | Journal (issue) | | ....................... 12 3 Lake City Mining District, Colorado. By David Seaman ........... 124 Club...mines of iron tungstates, and Hubnerite containA lower grade ore. Now, despite fluctuat- ing mostly manganese...sand, known as ·blue earth.' occu1·ring in the Lower Oli~oeene 8trut11 . l'nder a Rtrntu1n of fiflnd...prov., Galicia principality, Poland (formerly Austria ). lliza n, Galicia principality, Poland ( form...Yu kiu (forrnerly Austria) . Sknc, Bohemia prov., Czecboslo,·a.kia (forrut-rly Austria). Dark honey-yellow |  | | Book | | Gold, copper, si lver, platinum, bis1nutb and graphite fall in this subdivision. Sulph ides and ai·senides:...cassiterite, calcite, aragonite, dolo1nite, siderite, rhodochrosite, n1alachite, azurite, gypswn, anhydrite, baryte...pyrolusite (steel grey with bluish tint), p. 82 graphite (steel grey, black), p. 30 stibnite (lead grey)...Red-brown cinnabar (red), p. 96 12 . . .. . graphite (black), p. 30 pyrolusite (grey to black), p.... p. 170 mica {white, brown, black), p. 204 rhodochrosite (red, pink), p. 152 rhodonite (red, brown-red) |  | | Journal (article/letter/editorial) | | ALUMINO-FLUORIDE MINERAL ASSEMBLAGE FROM THE MOREFIELD MINE, AMELIA, VIRGINIA. L. E. Keam, James Madison University...Amelia Volume 69, MarcWApril1994 133 Courthouse district; the other is the Rutherford pegmatite. In July...hurmno-fluoride minerals found are very rare. The Morefield mine is the second known occurrence of these minerals...thomsenolite. Figure 2. Elpasolite Crystal, Morefield mine, Amelia, Virginia. ngure 3. Prismatic pachnolte...Russia. The pocket of crystals found at the Morefield mine may represent the finest known examples for several |  | Martin, Silvana, Toffolo, Luca, Moroni, Marilena, Montorfano, Carlo, Secco, Luciano, Agnini, Claudia, Nimis, Paolo, Tumiati, Simone (2017) Siderite deposits in northern Italy: Early Permian to Early Triassic hydrothermalism in the Southern Alps. Lithos, 284. 276-295 doi:10.1016/j.lithos.2017.04.002 | Journal (article/letter/editorial) | | cutting the Variscan basement and the overlying Lower Permian volcano-sedimentary cover (Collio Fm.),...Permian (Verrucano Lombardo, Bellerophon Fms.) and Lower Triassic (Servino Fm., Werfen Fm.) sedimentary sequences...siderite in the Variscan basement and in the overlying Lower Permian cover were derived from dominant fresh water...siderite veins and conformable orebodies hosted in Lower Triassic shallow-marine carbonatic successions....Siderite orebodies in Variscan basement and Lower Permian-Lower Triassic sedimentary covers of the TE Southern |  | | Book | | already been made. LEFT KennecoU opencast copper mine in Utah, USA. Copper is widely used in the electrical...synthetic diamond was first produced in 1955 when a graphite crystal was subjected to such extremes of temperature...carat (weight). among crystals as it is stone. Lower quality crystals are powdered and used as a high-quality...often a speed that they are unable to cool into graphite, but form diamonds instead. associated authority...known A sister crystal to ruby, the comparatively lower value of the sapphire reflects the relatively common |  | | Book (volume) | | Manganase is also precipitated (as a carbonate (rhodochrosite) or hydroxide) when C0 2 is removed from the...often assumed. The continental crust (upper and lower part as 1: 1) contains 773 ppm; the upper continental...alabandite and hauerite, the abundant carbonate rhodochrosite, and the silicates braunite, tephroite, and...distinctly higher than for chalcopyrite and considerably lower than for gold; comparable with that of pyrite (~55%)...in size. Associated minerals in the glass are graphite and the carbides moissanite and khamrabaevite |  | | Book | | A CHANGING PLANET 11 Vanadinite, San Carlos district, Chihuahua, Mexico * 8 x 4 x 2 cm Mineral Species...more of their major elements. For example, rhodochrosite (MnCO,), regardless of where it is found in...see it as being very dark or black (for example, graphite). Alternatively, if very little of the color in...mineral pigments. LEFT: Malachite, Bwana M’Kubwa Mine, Ndola, Copperbelt, Zambia * 22 x 26 x 16 cm 22...Namibia * 20 x 18 x 14 cm Bladed stibnite, Ichinokawa Mine, Saijo, Shikoku, Japan * 10 x 1 x 1 om Acicular |  | | Journal (article/letter/editorial) | | color) have been found in the Silver Mountain district, Alpine Co., Calif. COLORADO-"Prof. Richard M...octahedra in quartz from the Mica Lode, Royal Gorge District, (Fremont Co. ), Colorado. The garnet ranges in...number of specimens from that famous Zinc-Lead District, which includes N. W. Arkansas, S. W. Missouri...modified crystal form on massive and crystallized rhodochrosite, was found in a pocket and produced many fine...association of fluorite with rhodochrosite is considered extremely rare in the district." NEBRASKA-Everett Lapidary |  | | Book | | haematite, cinnabar, proustite, pyrargyrite, graphite, and native elements such as arsenic and bismuth...lattices of two modifications of native carbon: (a) graphite, (b) diamond crystal systems, and thus display...modifications of pure carbon: diamond (cubic) and graphite (hexagonal). A peculiar class of false crystal...into pyrite, 13 and occasionally diamond into graphite (never the other way round). Every paramorphosis...the crystal is usually tabular or lamellar (e.g. graphite and mica); in linear interconnection the crystal | | | Book | | haematite, cinnabar, proustite, pyrargyrite, graphite, and native elements such as arsenic and bismuth...lattices of two modifications of native carbon: (a) graphite, (b) diamond crystal systems, and thus display...modifications of pure carbon: diamond (cubic) and graphite (hexagonal). A peculiar class of false crystal...into pyrite, 13 and occasionally diamond into graphite (never the other way round). Every paramorphosis...the crystal is usually tabular or lamellar (e.g. graphite and mica); in linear interconnection the crystal |  | | Book | | haematite, cinna- bar, proustite, pyrargyrite, graphite, and native elements such as arsenic and bismuth...lattices of two modifications of native carbon: (a) graphite, (b) diamond crystal systems, and thus display...modifications of pure carbon: diamond (cubic) and graphite (hexagonal). A peculiar class of false crystal...into pyrite, 13 and occasionally diamond into graphite (never the other way round). Every paramorphosis...the crystal is usually tabular or lamellar (e.g. graphite and mica); in linear interconnection the crystal |  | | Journal (article/letter/editorial) | | only resistant minerals, such as quartz, gold, graphite, cassiterite, rutile, tantalite, and a few others...the minimum necessary to justify the opening of a mine in that remote area. After a few years of exploration...contract defined the geographical limits of the mine concession, the areas necessary for the social and...and two industrial areas, at the mine and the port areas. For the mine, a fleet of trucks, bucket excavators...starting in 1957 (Ramos 1983). During the life of the mine, the ores were sold to a number of steel plants |
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