 | | Journal (article/letter/editorial) | | Rn(1 Petrology © Springer-Verlag 1995 Printed in Austria Tellurantimony in Romania: first occurrences in...of Geological Sciences, Mining University, Leoben, Austria 4 Department of Earth Sciences, University...of Geological Sciences, Mining University, Leoben, Austria 116 G. Simon et al. Introduction Tellurantimony...consisting of hornblende--and/or pyroxene-bearing quartz--andesites of Miocene (Neogene) age. The veins...main assemblages in the different vein groups: quartz, rhodochrosite, nagyagite and abundant base metal |  | | Book (edition) | | Mineralogisches Institut, Universität Heidelberg, Im Neuenheimer Feld 236, D-69120 Heidelberg, Germany...example for such a situations can be seen in euhedral quartz crystals embedded in the sulfide matrix of fossil...normally contain amorphous silica/opal rather than quartz in its initial stages, as is the case in modern...displaying various colours under XPL; euhedral quartz shows milky internal reflections. Internal Reflections...Late proustite (red internal reflections) filling quartz druse (milky); dike filling. Right (third from |  | | Book (edition) | | 15-30 Galena II/C.15-40 Clausthalite II/C.15-50 Altaite II/C.15-60 Miargyrite II/C.16-10 Aramayoite II/C...Metal : Oxygen = 1:2 (MO2 and related compounds) Quartz IV/D.01-10 Silica, amorphous IV/D.01-80 Rutile...Mineralogisches Institut, Universität Heidelberg, Im Neuenheimer Feld 236, D-69120 HeiDr. rer. nat. Michael...Reflections: Reflectance [%]: Anisotropy: Pleochroism: quartz veins, alluvial deposits gold-yellow, silver-white...[g]; Nic. // Anhedral electrum (yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada |  | | Journal (article/letter/editorial) | | mineraloccursas platy grainsup to 1 mm in sulfide-quartz sylvaniteand krennerite.It had previouslybeencalledrickardite...resembles in opticalproperties. with galena,gold, altaite,tetradymite,rucklidgeite,and other tellstreak The...Mg(CO'XHBO').5H,O. NEW MINERAL The nameis for the district,Canavese, in which the villageand mine of Brossooccur...f t 4 7 . 3P sideof the HabachValley,Salzburg,Austria. Although a megascopicdescriptionis not given,...thecalculateddensityis Friedrich,Mining University,Leoben,Styria,Austria.Type mate- 2.79 g/cm" (empiricalformula) |  | | Journal (article/letter/editorial) | | of Geological Sciences, MiningUniversity, Leoben, Austria, andGeology Department, Faculty of Science...Instituteof Geological Sciences, MiningUniversity, Leoben, Austria AND OMAR A. KAMEL Geology Department, Facultyof...indicateagesbe- Mineralogy andPetrology, MiningUniversity of Leoben,ustween 1500 and 2100 Ma (Harris et al., 1984;...Serpentinite and related rocks Gabbro, diorite, quartz diorite Andesite-dacite-rhyolite Various granites...mafie-ulmineral assemblages comprising garnet, biotite,quartz,silli- massive rocksindicates thattheyhaveundergone |  | | Report (issue) | | Commo.n minerals _associated with gold in veins are quartz and pyrite. Some other common minerals associated...2' percent. Antamokite=a mixture of petzite and altaite. Calaverite TABLE 1.-Major gold--bearing m.inerals-Concluded...lite, PbSe Germany, Tilkerode, Harz _______ _ Altaite, PbTe U.S.S.R., Altai -----------------Alabandite...1001,000 South Africa: Transvaal, Rustenburg district __ <.5 Stannite, CusFeSnS, England, Cornwall...Merensky Horizon on Schildpadnest, Rustenburg district. Content of other elements: Cu, Co about 0.1 percent; |  | Yin, Chao, Liu, Jiajun, Carranza, Emmanuel John M., Zhai, Degao, Guo, Yuncheng (2019) Mineralogical constraints on the genesis of the Dahu quartz vein-style Au-Mo deposit, Xiaoqinling gold district, China: Implications for phase relationships and physicochemical conditions. Ore Geology Reviews, 113. 103107 doi:10.1016/j.oregeorev.2019.103107 | Journal (article/letter/editorial) | | the genesis of the Dahu quartz vein-style AuMo deposit, Xiaoqinling gold district, China: Implications for...Africa b ARTICLE INFO ABSTRACT Keywords: Dahu quartz vein-style gold-molybdenum deposit Xiaoqinling...formation conditions Magmatic-hydrothermal sysytem The quartz vein-style Dahu Au-Mo deposit, with an average...veins and stockworks as well as disseminated in quartz veins, and they are hosted by biotite-plagioclase...of telluride minerals: (I) quartz-K-feldspar-pyrite-molybdenite, (II) quartz-pyrite-molybdenite, (III) |  | | Catalog/List | | Prospectors Shop, Santa Fe. New Mexico. Hansonberg District Socorro County New Mexico £25 3 DANBURITE single...coverage of green coating on quartz with a little azurite, 2x2 £12 Brixlegg Austria I 5. APOPHYLLITE colourless...Cornwall FLUORESCENT green Short wave £ 18 I- QUARTZ the so called "Youngite" a pinkish crystalline...white/creamy crystals over 2x3 matrix Bleiberg Austria, from 1974, in the Hilary Corke Stock £12 27. CORDIERITE/ILMENITE...pods of Cordierite and some grey ilmenite with quartz. Unusual location piece collected in the I 960's |  | | Journal (article/letter/editorial) | | new occurrences and discoveries will be used. AUSTRIA Karl Pakleppa of Dusseldorf, West Germany, sent...consists of altaite cleavages, hessite grains, chalcopy rite grains, and quartz matrix. Altaite looks exactly...identified. The specimen, from Newry's Dunton Gem quarry con sisted of delicately arborescent, snowwhite...within the wide range published for this material. Quartz crystals occur at the "exhausted" road cut in Mexico...uncovered numerous 5-20 cm long and 1 -7 cm thick quartz crystals. The crystals are doubly terminated and |  | Sabeva, Ralica, Mladenova, Vassilka, Mogessie, Aberra (2017) Ore petrology, hydrothermal alteration, fluid inclusions, and sulfur stable isotopes of the Milin Kamak intermediate sulfidation epithermal Au-Ag deposit in Western Srednogorie, Bulgaria. Ore Geology Reviews, 88. 400-415 doi:10.1016/j.oregeorev.2017.05.013 | Journal (article/letter/editorial) | | University of Graz, Univ. Pl. 2, A-8010 Graz, Austria Abstract The Milin Kamak gold-silver deposit is...mineralization consists of three stages. Quartz-pyrite stage I is dominated by quartz, euhedral to subhedral pyrite...and hematite in the upper levels of the deposit. Quartz-polymetallic stage II is represented by major anhedral...pyrrhotite, arsenopyrite, marcasite. Gangue minerals are quartz and carbonates. The carbonate-gold stage III is...with native gold and stibnite. Fluid inclusions in quartz are liquid H2O-rich with homogenization temperature |  | | Journal (article/letter/editorial) | | controlled by reverse faults, which offset altered quartz diorite porphyry but are crosscut by a late-mineralization...ore (12–14 g/t Au) is characterized by chert-like quartz, Fe-chlorite, siderite and pyrite (10–20 vol%)...Au) forms veins and breccia filled or cemented by quartz, muscovite (≤ 13.2 wt% V2O3), ankerite, chlorite...montbrayite, altaite, calaverite, petzite, tellurantimony, coloradoite, and melonite. Myrmekitic altaite-tellurium...altaite-tellurium ± sylvanite and altaite-krennerite symplectites represent melt droplets deposited at > 400 °C and |  | | Journal (article/letter/editorial) | | deposits (e.g. Sácárõˆmb, Bradis° or, Musariu (Brad District) and Stánija) are entirely worked out. The occurrence...Fat° a Báii-Hanes° -Breaza-Larga-Trõˆmpoiele district at the southeastern margin of the Metaliferi Mts...‘Larga’ deposit has come to mean a series of narrow quartz veins carrying Cu, Zn, Pb, Ag, and ~1 –3 g/t Au...Particularly in 0 Est, a brecciated carbonate (± quartz-clay mineral-chlorite) gangue hosts the sulphide...Association of gold (Au) and rucklidgeite (Rkl) in quartz within the Trõˆmpoiele porphyry deposit. Sample: |  | | Journal (article/letter/editorial) | | ) (No. 6) Cover Photographs January/February: Quartz, Canton Uri, Switzerland. National Museum of Natural...specimen, Terry Huizing photo. May/June: Elbaite on quartz, Himalaya mine, Mesa Grande, San Diego County,...Malachite with azurite, Schwaz-Brixlegg, Tpol, Austria. Dieter Miiller specimen, Rainer Bode photo. NovembedDecember:... 52-53; Switzerland, 1432; fluorite on quartz, 54-56 Altaite, Missouri, 96 Analcime, New Jersey, 324;...France, 36; Colorado, 357; New Jersey, 324; Tyrol, Austria, 315 Babulski, D., see Through the ’Scope Barite |  | Sung, Y.-H., Ciobanu, C. L., Pring, A., Brügger, J., Skinner, W., Cook, N. J., Nugus, M. (2007) Tellurides from Sunrise Dam gold deposit, Yilgarn Craton, Western Australia: a new occurrence of nagyágite. Mineralogy and Petrology, 91 (3) 249-270 doi:10.1007/s00710-007-0199-z | Journal (article/letter/editorial) | | eight tellurides (hessite, petzite, calaverite, altaite, tellurantimony (and Bi-bearing tellurantimony)...[e.g., metamorphosed Au deposit at Schellgaden, Austria (Paar and Chen, 1982) and ‘‘mesothermal’’ Au vein...in all types of structures is contained within quartz-bearing veins that are mostly flat-dipping, and...economic ore occurs as coarse native gold within quartz. However, native gold is also present as inclusions...are composed mainly of grayish white to dark gray quartz and ankerite. They show well-developed dark internal |  | | Journal (article/letter/editorial) | | Golden Mile Fault over a strike of 8 km within a district-scale zone marked by porphyry dykes and chloritic...500 t Au) in the southeast from the younger (D4) quartz vein stockworks at Mt Charlotte (126 t Au) in the...Australia with crack-seal and pinch-and-swell quartz–carbonate veins and are surrounded by early-stage...(830–854 fine), hessite, and minor pyrrhotite, altaite, bournonite, and boulangerite. Assuming 250–300...zoned to lower values at the periphery. The D4 gold–quartz veins constituting the Mt Charlotte orebodies represent |  | | Journal (issue) | | Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...variety of assemblages between native gold and quartz, calcite, baryte, fluorite, clay minerals, native...unit. For instance, in BradSăcărâmb metallogenic district, the Au:Ag ratio is relatively uniform (45% to...collections of the Museum (RE-apatite at Valea Morii; altaite, coloradoite, dyscrasite, tellurantimonite, hessite...metallogenic criterion: province, subprovince, district, sector, field/ node (Fig. 2) . 7 Fig. 1. Example |  | | Journal (article/letter/editorial) | | rickardite); nickel (melonite); iron (frohbergite); lead (altaite, nagyagite); mercury (coloradoite); bismuth (hedleyite...like krennerite and distinctly lesswhite than altaite. Reflection pleochroism rarely perceptible; weak...crystallized aggregatesof montbrayite, tellurbismuth, altaite, melonite, gold, chalcopyrite, and pyrite. fn polished...telluride; altaite, tellurbismuth, petzite, gold, chalcopyrite, melonite, and frohbergite. Altaite, with small...cutting montbrayite. Tellurbismuth with subordinate altaite and small patches of petzite make ovoid inclusions |  | | Journal (article/letter/editorial) | | ABSTRACT The gold-b•aring veins in the Baguio district of Northern Luzon, Philippine Islands, are of...diorite, quartz-diorite, granodiorite, agglomerate and sediments. They consistmainly of quartz and calcite...The gold is very irregularly distributed. In the quartz sectionsof the veins most of it is filling minute...solution in the sulfides. Tellurides in the Baguio District were first recognizedby A.D. Alvir in 1928 in...general one. The tellurides include petzite, hessite,altaite, calaverite, sylvanite and coloradoite. They completelyfill |  | | Journal (article/letter/editorial) | | recognized and mapped on a scale of 1 : 20 in an old quarry in the Panormos Bay area, Tinos Island (Hellas)...mineralogical and geochemical studies by Tombros (2001). Quartz vein stockworks containing polymetallic mineralization...facies near the Oligocene-Miocene boundary. Barren quartz veins cut the metamorphic sequence (Wijbrans et...composed primarily of 30 nearly parallel, high-angle quartz veins that extend for at least New unnamed Ag...faults (Tombros 2001). Two generations of antitaxial quartz veins are present. The older generation of veins |  | | Report (issue) | | ee COLO AOL eee are ee RE ee ie a ee Se ee oe ee IM pressite fe ee eee EV ESS ite ft re ween oe ee 35...typical ore showing network of telluride-bearing horn quartz seams. Reflected light, in air, 34 X. Interocean...__.________________. 201 2. a. Altaite (at)? and petzite (pz) in quartz (qz). Concentric aggregate of...Reflected light, in air, 250 X. Horsefal vein; b. Altaite (at) veined by native gold (Au). Relict of sphalerite...(Au) dispersed through cavities in sugary vein quartz (qz). Reflected light, in air, 153 X. Croesus mine; |  | | Journal (article/letter/editorial) | | Carolina; as a relatively important ore mineral with altaite, calaverite, coloradoite, krennerite, and other...Red Cloud and Grand View mines of the Gold Hill district; it has subsequently been reported from the Prussian...American, Interocean, and Cold Springs mines of that district. Welldeveloped though relatively small sylvanite...& MINERALS Jamestown. In the nearby Magnolia district, sylvanite associated with fluorite, sphalerite...calaverite, hessite, petzite, coloradoite, and altaite was the major ore mineral. Gold tellurides (including |  | Shalaby, Ibrahim M., Stumpfl, Eugen, Helmy, Hassan M., El Mahallawi, Mahmoud M., Kamel, Omar A. (2004) Silver and silver-bearing minerals at the Um Samiuki volcanogenic massive sulphide deposit, Eastern Desert, Egypt. Mineralium Deposita, 39 (5) 608-621 doi:10.1007/s00126-004-0427-y | Journal (article/letter/editorial) | | Mineralogy and Petrology, Mining University, Leoben, Austria H. M. Helmy (&) Æ M. M. El Mahallawi Æ O. A...Mineralogy and Petrology, Mining University of Leoben, and the Institute of Earth Sciences (Mineralogy...and Petrology), Karl-Franzens University, Graz, Austria. The accelerating voltage was 20 kV, the beam current...standards were native silver and gold for Ag and Au, altaite for Te and Pb, tetrahedrite for Cu, Sb and S, and...(breccia) ore in a matrix of chlorite, talc and quartz; and – at 104.0–122.0 m, an alteration zone with |  | | Journal (article/letter/editorial) | | concentrated on the territory of the Central Aldan ore District (CAD). The gold content is associated with hy...liquid and vapour phases of fluid inclusions in quartz was analyzed there on the Horiba LabRam HR800 Raman...merenskyite ((Pd,Pt)(Bi,Te)2 ) melonite (NiTe2 ) altaite (PbTe) coloradoite (HgTe) Te-canfieldite (Ag8...inclusions in pyrite, and are also found in calcite, quartz, bornite, and tennantite (Figure 2). Among the...galenobismutite, chalcopyrite, pyrrhotite, and quartz (Figure 3). Minerals 2021, 11, 698 Tellurium |  | | Journal (article/letter/editorial) | | handling: P. G. Spry Summary The Kassiteres-Sappes district represents a multi-centered, porphyry-epithermal...microscope analyses, hessite, petzite, sylvanite, altaite, st€utzite and native tellurium occur in the St...St Demetrios mineralization includes hessite, altaite, st€utzite, and tetradymite in close spatial relation...dominate the western and northern part of the district. Less altered volcanics plot in the subalkaline...earlier quartz monzodiorite and a microdiorite. The medium-grained, granular to porphyritic quartz monzodiorite |  | | Journal (article/letter/editorial) | | Japan. The telluride deposits in this district consist of quartz–filled fracture systems of Late Miocene...alteration minerals are very fine to fine–grained quartz, chalcedony, anatase, zeolite, sericite, barite...Se–bearing tetradymite, tellurantimony, goldfieldite, altaite, coloradoite, tellurite, teineite, and poughite...coloradoite, tellurobismuthite, tellurantimony, and altaite, indicating a decline in tellurium activity during...with time. Microthermometry of fluid inclusions in quartz and barite indicate that the mineralization formed |
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Quartz quarry, Wolfsgruben, Seiz, Kammern im Liesingtal, Leoben District, Styria, Austria