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Molybdenite from
Molybdenum mine, Alpjuhorn (Alpjahorn), Baltschieder, Visp, Valais, Switzerland


Locality type:Mine
Classification
Species:Molybdenite
Formula:MoS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Molybdenite data
Locality Data:Click here to view Molybdenum mine, Alpjuhorn (Alpjahorn), Baltschieder, Visp, Valais, Switzerland
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:559102
Long-form Identifier:1:3:559102:2
GUID (UUID V4):703fcf3d-ddb5-45e0-b0a7-08e84ac27b54
References
Reference Search (possible matching items)
Journal (article/letter/editorial)
Universität Bern, Baltzerstrasse 3, 3012 Bern, Switzerland Naturhistorisches Museum der Burgergemeinde Bern...Bern, Bernastrasse 15, 3005 Bern, Switzerland c Dipartimento di Scienze Geologiche e Geotecnologie, Università...analyzed the molybdenum (Mo) isotope compositions (IC) of 59 samples from two molybdenite mineralizations...mineralizations (Alpjahorn and Grimsel) and from a Mo-rich hydrothermal breccia (Grimsel) from the Aar Massif, Switzerland...Switzerland. The formation temperature of the Late Paleozoic Mo mineralizations (300–600 °C) is much
Journal (article/letter/editorial)
Dena,N. I. Srr,e,Nr'rvA, oonve, Femolite, a new molybdenum 436 443 (196a) (in Russian). sttlfide: Zapiski...Obshch., 93, The mineral is the principal ore of molybdenum in three deposits of a field (locality not given)...given by molybdenite. Heating tests show that the mineral vaporizes less readily than molybdenite. X-ray...powder data are given for 3 samples and for molybdenite. The strongest lines a r e , r e s p . , 6 ....standard molybdenite gave a 3.16, c 12.28i\. The data are considered to show, compared to molybdenite, weakening
Report (issue)
I • •• I • • . .~. • ' ' ~ • • • MOLYBDENUM~ "l. • 1 ' • ' • " J ,, . ' • I ,....EMPIRE AND FOREIGN COUNTRIES. WAR PERIOD. MOLYBDENUM. (1913 - 1919.) • LONDON: PRINTED & PUBLISHED...technical information relative to the production of Molybdenum will form a part of the volume or volumes on...• • •• • •• ••• ••• Molybdenum Alloys and Steels ••• Concentration of Molybdenum Ores Prices and 1\iarket...Norway ••• Portugal ••• Spain .... Sweden •• • Switzerland ... Madagascar ... Mexico ••• United States Argentina
Journal (article/letter/editorial)
mineralizing processes, based on a worldwide molybdenite AC databank. We compared the δ98/95Mo (hereafter...(hereafter referred as δ98MoNIST) of 391 molybdenite samples (193 from the literature, 198 for this study)...types of occurrences and different ages. The 198 molybdenite samples we analysed represent various types of...ratio in the 391 molybdenite samples varied from 1.62 to 2.27‰, being higher for molybdenite formed in Alpine-type...occurrences the δ98MoNIST was determined on several molybdenite samples, showing variability at occurrence scale
Journal (article/letter/editorial)
THE MOLYBDENUM MINE AT AZEGOUR, MOROCCO.• ARNOLD HEIM. Tn•, Azegourmine is the most recentlydiscovered...recentlydiscovered molybdenum mine, and is one of the richest known. It was discoveredfive years ago. The mine was...district, was made in 1929, by the manager of the mine, M. F. Hdbrard. A year later, a report appearedby...Atlas (a distanceof 6o Km.). From this town to the mine a motor road 2o Km. long has beenconstructed,which...part of the outcropsbut give way in depthto molybdenite. The climateof Azegour is excellent. During winter
Journal (article/letter/editorial)
Geochemistry, Mineralogy and Microbiology of Molybdenum in Mining-Affected Environments Francesca Frascoli...January 2018; Published: 25 January 2018 Abstract: Molybdenum is an essential element for life, with growing...contamination in surrounding areas. In mine wastes, molybdenum is liberated from sulfide mineral oxidation...Mo-metabolising bacteria have been isolated from mine wastes. However, laboratory and in-situ experiments...may be involved in the cycling of Mo in and from mine wastes, with good potential for bioremediation.
Journal (article/letter/editorial)
Distribution, Character, and Rhenium Content of Molybdenite in the Aitik Cu-Au-Ag-(Mo) Deposit and Its Southern...2014 / Published: 1 December 2014 Abstract: Molybdenite in the Aitik deposit and its southern extension...laboratory flotation tests. It is demonstrated that molybdenite varies considerably in grain size, ranging from...with chalcopyrite and pyrite. The dominating molybdenite-bearing rocks are the mica schists, the quartz-monzodiorite...medium-coarsegrained Minerals 2014, 4 789 molybdenite. Later geological features, such as garnet-m
Journal (article/letter/editorial)
elsevier.com/locate/lithos Magmatic–hydrothermal molybdenum isotope fractionation and its relevance to the...University of Bern, Baltzerstrasse 3, CH-3012 Bern, Switzerland a r t i c l e i n f o Article history: Received...online 15 November 2013 Keywords: Molybdenum Isotope Fractionation Molybdenite Hydrothermal a b s t r a c...isotope composition of a comprehensive series of molybdenite samples from the porphyrytype Questa deposit...variations of up to 0.34‰ are found between different molybdenite crystals within an individual hand specimen.
Journal (article/letter/editorial)
Interaction between Ca2+ and Molybdenite Edges and Its Effect on Molybdenum Flotation He Wan 1,2, *, Wei...710055, China; hetingshu@xauat.edu.cn JinDuiCheng Molybdenum Co., Ltd., Xi’an 710077, China; cao_wch@163.com...com (W.C.); liuyanying@126.com (Y.L.) China Molybdenum Co., Ltd., Luanchuan 471500, China; yangjb@chinamoly...on the flotation of a skarn type molybdenum ore and pure molybdenite mineral at pH 8 was studied using... It was found that Ca2+ had little effect on molybdenum flotation at low concentrations. By further increasing
Journal (article/letter/editorial)
Volume 64, pages 75g-767, Ig79 Polytypism in molybdenite (I): a non-equilibrium impurity-induced phenomenon...the literature on molybdenite, however, suggeststhat the occurrence of 3R molybdenite in nature is not...X-ray diffraction analysis of 184specimensof molybdenite indicates (l) there is a semi-quantitative relationship...synthesisof the experimental stability studies of molybdenite polytypes suggeststhat 3R grows by a screw-dislocation...tungsten are the most common impurities found in 3R molybdenite, and their role in the mineralization prooesswith
Journal (article/letter/editorial)
Silicate Minerals Flotation and Their Depression in Molybdenite Beneficiation Yu Miao 1 , Tao Long 2 , Jingjun...case study, particularly relevant to the copper-molybdenum separation circuit, in which efforts have been...been made to improve the quality of the molybdenum concentrate through diagnostic analysis. A key finding...appearance of coarser silicate minerals in the molybdenum concentrate due to their inadvertent activation...particle size analysis techniques. Keywords: molybdenite; flotation; silicate minerals; activation; regrinding
Journal (article/letter/editorial)
Prospect of Recovering Vanadium, Nickel, and Molybdenum from Stone Coal by Using Combined Beneficiation...Prospect of Recovering Vanadium, Nickel, and Molybdenum from Stone Coal by Using Combined Beneficiation...metal resources such as vanadium, nickel, and molybdenum, but due to its complex composition, it is currently...extraction industry. Metals such as nickel and molybdenum have not been effectively recovered, resulting...associated strategic metals, vanadium, nickel, and molybdenum. The results showed that the grade of V2 O5 in
Journal (article/letter/editorial)
Prediction on the Flotation Behavior of Copper and Molybdenum Minerals from Blended Cu–Mo Ores in Seawater...Prediction on the Flotation Behavior of Copper and Molybdenum Minerals from Blended Cu–Mo Ores in Seawater...deposits is often associated with molybdenum minerals. This copper–molybdenum (Cu–Mo) sulfide ore is generally...results show that the recovery of copper and molybdenum decreased with the increasing copper oxidization...on the mineral species. The total copper and molybdenum recovery were strongly affected by the degree
Journal (article/letter/editorial)
wangluofeng1@126.com (L.W.); kinkye@163.com (T.Y.) China Molybdenum Co., Ltd., Luoyang 471500, China; heyq@cn.cmoc...porphyry–skarn deposit located in the East Qinling–Dabie molybdenum (Mo) polymetallic metallogenic belt in the southern...mineralization and oxidation transformation process of molybdenite during the supergene stage. Meanwhile, from macro...analyses indicate the oxidation products of molybdenite are dominated by tungsten–powellite at the supergene...processes from molybdenite to tungsten–powellite are obtained after the precipitation of molybdenite; eventually
Journal (article/letter/editorial)
Sulfite on Floatability of Chalcopyrite and Molybdenite Hajime Miki *, Tsuyoshi Hirajima Keiko Sasaki...depressant in the selective flotation of copper and molybdenum ores. However, the process is facing health and...floatability of chalcopyrite and molybdenite—typical copper and molybdenum minerals, respectively—was intensively...after the Na2 SO3 treatment. Meanwhile, the molybdenite surface was relatively more hydrophobic compared...tests using pure minerals of chalcopyrite and molybdenite demonstrate that the floatability of chalcopyrite
Journal (article/letter/editorial)
and water recovery. The recovery of bismuth in molybdenum concentrate was dramatically decreased to 4.64%...model demonstrated that the flotation rate of molybdenite slightly declined after H2 O2 addition, whereas...that H2 O2 affected the floatability of both molybdenite and bismuthinite but resulted in more detrimental...in bismuth sulfide ore flotation. Keywords: molybdenite; bismuthinite; hydrogen peroxide; froth flotation...flotation 1. Introduction The Shizhuyuan mine is one of the largest polymetallic deposits in the world,
Journal (article/letter/editorial)
forming a typical Climax-type porphyry Mo deposit. Molybdenum mineralisation at Questa occurred in two superimposed...separation prior to MoS2 deposition from the brine. Molybdenum concentrations in brine inclusions, then, Editorial...Hochschule Zurich, Clausiusstrasse 25, 8092 Zurich, Switzerland e-mail: heinrich@erdw.ethz.ch T. Pettke Institute...University of Bern, Baltzerstrasse 1 + 3, 3012 Bern, Switzerland decrease down to 5 μg/g, recording Mo precipitation...response to cooling of the saline liquid to ~360°C. Molybdenite precipitation from a dense, residual and probably
Report (issue)
yttrium 88.91 zirconium 91.22 niobium 92.91 molybdenum 95.96 technetium (98) ruthenium 101.1 rhodium.............................................. P20 Mine Waste Characteristics........................................................................ P25 Mine Closure...................................................... P11 Pie chart showing world rhenium mine production in 2012, by country and percent of world... Tables P1. Summary of rhenium, copper, and molybdenum grades, deposit tonnage, and amount of contained
Journal (article/letter/editorial)
and commonly contains Au (up to 5 ppm), while molybdenite contains high grades of Re (up to 514 ppm) and...grades [9], which implies that significantly more mine material will have to be mined and processed to...situ on sulfides (i.e., bornite, chalcopyrite, molybdenite, and pyrite) from Cu-mineralized samples belonging...predominantly chalcopyrite, bornite, and some molybdenite [18,19]. At present, the deposit is in its preliminary...The deposit contains more than 3.9 billion tons of mine-material enriched in Cu-Mo-sulfides and grading
Journal (article/letter/editorial)
relationship between Mo and Pb-Zn deposits in Diyanqinamu mine based on the data of S and Pb isotopic geochemistry...geochemistry and geological information. In this mine, the Mo deposit is concentrated in the southern area with...that the Mo and Pb-Zn deposits in the Diyanqinamu mine represent different faces of the same porphyry system... Pb-Zn and porphyry Mo deposits the Diyanqinamu mine. the Mo deposit inthe alteration metal sources [31]...studies have porphyry Mo deposit in Diyanqinamu mine. This Mo-Pb-Zn metallogenic system would provide
Journal (article/letter/editorial)
Article Enhanced Flotation Recovery of Fine Molybdenite Particles Using a Coal Tar-Based Collector Yande...Cao, Y. Enhanced Flotation Recovery of Fine Molybdenite Particles Using a Coal Tar-Based Collector. Minerals...https://doi.org/10.3390/ min11121439 Luanchuan Longyu Molybdenum Mining Co., Ltd., Luoyang 471500, China; ydchao-cumt@163...been a problem in the separation of low-grade molybdenum ores because of the finely disseminated nature...nature and crystal anisotropy of molybdenite. In this study, a novel kerosene–coal tar collector (KCTC) was
Journal (article/letter/editorial)
Metabisulfite on Selective Flotation of Chalcopyrite and Molybdenite Yuki Semoto 1 , Gde Pandhe Wisnu Suyantara 1...Metabisulfite on Selective Flotation of Chalcopyrite and Molybdenite. Minerals 2021, 11, 1377. https://doi.org/10...for selective flotation of chalcopyrite and molybdenite. Microflotation tests of single and mixed minerals...assess the floatability of chalcopyrite and molybdenite. The results of microflotation of single minerals...chalcopyrite and slightly reduced the floatability of molybdenite. The results of microflotation of mixed minerals
Journal (article/letter/editorial)
8092 Zurich, Switzerland 2 Department of Earth Sciences, ETH Zurich, 8092 Zurich, Switzerland, and Faculty...Magna, Utah 84044 Abstract Copper, gold, and molybdenum in the Bingham Canyon deposit (Utah, United States)...distribution of molybdenum resembles that of copper and partly overlaps with it, but the molybdenum ore shell...predominantly steep, with a variable strike. Quartz-molybdenite veins postdate all intrusions and are less abundant...Precambrian to Mesozoic tectonism Sedimentary rocks in the mine area consist of quartzite and lesser limestone,
Journal (article/letter/editorial)
com/journal/minerals Review Extremely Re-Rich Molybdenite from Porphyry Cu-Mo-Au Prospects in Northeastern...Mineralogy, University of Geneva, Geneva CH-1205, Switzerland; E-Mails: robert.moritz@unige.ch (R.M.); melissa...Published: 2 May 2013 Abstract: Extremely Re-rich molybdenite occurs with pyrite in sodic–calcic, sodic–sericitic...Melitena and Maronia areas, northeastern Greece. Molybdenite in the Pagoni Rachi and Sapes deposits is spatially...the intermediate molybdenite–rheniite phases. The extreme Re content in molybdenite and the unique presence
Journal (article/letter/editorial)
Isotope Geochemistry of the Wulandele Porphyry Molybdenum Deposit in Inner Mongolia, China, and Their Geological...   Abstract: The Wulandele molybdenum deposit is a porphyry-type Mo deposit in the...Dalaimiao area of northern Inner Mongolia, China. Molybdenite Re-Os dating yields a model age of 134.8 ± 1...geochemistry; Sr-Nb-Pb isotopes; Wulandele porphyry molybdenum deposit; Inner Mongolia 1. Introduction In the...the past two decades, several molybdenum deposits, such as the Wulandele, Wurnitu, Zhunsujihua, Wuhua’aobao
 
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