 | | Report (volume) | | BULLETIN 583 ' ' COLORADO FERBERITE AND THE WOLFRAMITE SERIES A r* i BY FRANK L. HESS AND WALDEMAR...of the wolframite series...... 19 Definition of ferberite and other members of the wolframite series......................... Form system of the wolframite group................................... Critical............... Combinations observed on the wolframite group...................... Bibliography..........inclosing finely brecciated pegmatite, from the Conger mine, Nederland, Colo.... II. Brecciated granite and |  | Miyawaki, R., Yokoyama, K., Matsubara, S., Furuta, H., Gomi, A., Murakami, R. (2010) HUANZALAITE, MgWO4, A NEW MINERAL SPECIES FROM THE HUANZALA MINE, PERU. The Canadian Mineralogist, 48 (1) 105-112 doi:10.3749/canmin.48.1.105 | Journal (article/letter/editorial) | | MgWO4, A NEW MINERAL SPECIES FROM THE HUANZALA MINE, PERU Ritsuro MIYAWAKI§, Kazumi YOKOYAMA and Satoshi...occurs as inclusions in scheelite in the Huanzala mine, Peru. It forms orange to reddish brown aggregates...97W1.01O4. Huanzalaite is a member of the wolframite group (class 4.DB of Strunz & Nickel), and is the...species, magnesium, tungstate, wolframite-group mineral, Huanzala mine, Peru. Sommaire La huanzalaïte...se présente en inclusions dans la scheelite de la mine Huanzala, au Pérou. Elle se présente en agrégats |  | | Journal (article/letter/editorial) | | minerals Article Structural Variations across Wolframite Solid Solutions, (Fe,Mn)WO4 Darren A. Umbsaar...crystal structure of four samples from natural wolframite solid solutions, (Fe,Mn)WO4 , was obtained with...data, Rietveld refinements, space group P2/c, and Z = 2. Wolframite solid solutions extend from ferberite...linearly with the unit-cell volume, V, across the wolframite series. The average distance increases...polyhedra across the series are discussed. Keywords: wolframite solid solutions; structure; chemistry; synchrotron |  | | Journal (article/letter/editorial) | | Mössbauer resonant absorption in ferberite and wolframite B y C. L . H E R Z E N B E R G * a n d R . D...d for t h e iron t u n g s t a t e minerals, wolframite a n d ferberite. Characteristic spectra with...ferberite and wolframite 415 the Australian wolframite and a ferberite specimen from Phillips Mine, Nederland...prepared containing thicknesses of 27 mg/cm 2 wolframite and 13 mg/cm 2 ferberite, respectively. These...source and absorbers at room temperature. The wolframite group of tungstate minerals have composition (Fe |  | | Journal (article/letter/editorial) | | Tungsten Resources and Potential Extraction from Mine Waste Zhengdong Han , Artem Golev * and Mansour...Tungsten Resources and Potential Extraction from Mine Waste. Minerals 2021, 11, 701. Abstract: Tungsten...the only minerals of economic importance, are wolframite and scheelite. Secondary tungsten minerals are...some toxic elements. In 2020, the world’s tungsten mine production was estimated at 84 kt of tungsten (106...tungsten primary and secondary resources, and tungsten mine waste, including its environmental risks and potential |  | | Report (issue) | | Weise Verlag, Munich, Germany German Edition © Christian Weise Verlag, Munich, Germany ISBN 3-921656-42-7...America Photo Credits Cover: Topaz, 3.5 cm tall Capao Mine, Ouro Preto, Minas Gerais, Brazil Max and Jon Sigerman...Occurrence MIKE MENZIES 22. Topaz from Utah's Maynard Mine RYAN BOWLING 26. Volodarsk-Volynski PETER LYCKBERG...DUDLEY BLAUWET 58. Zimbabwe Blue Topaz: St. Anne's Mine JAN KANIS 60. Brazil: The Land of Topaz DIETMAR...the Bergakademie (Mining Academy) in Freiberg, Germany. This box belonged to and is signed by Hans von |  | Talla, Dominik, Beran, Anton, Škoda, Radek, Losos, Zdeněk (2017) Polarized FTIR spectroscopic examination on hydroxylation in the minerals of the wolframite group, (Fe,Mn,Mg)[W,(Nb,Ta)][O,(OH)]4. American Mineralogist, 102 (4) 867-875 doi:10.2138/am-2017-5664 | Journal (article/letter/editorial) | | examination on hydroxylation in the minerals of the wolframite group, (Fe,Mn,Mg)[W,(Nb,Ta)][O,(OH)]4 Dominik Talla1...FTIR spectroscopic measurements of 11 natural wolframite single crystals from different occurrences revealed...thisse geologically and technologically important group of compounds. Despite differences in the appearance...prevailing hydrogen incorporation mechanism into wolframite. The assignment of the observed IR absorption...The results obtained in this study of natural wolframite crystals can be used to detect and analyze hydrous |  | | Journal (article/letter/editorial) | | Schweizerbart’sche Verlagsbuchhandlung 2007 Magnesian wolframite from hydrothermal quartz veins in the Rochovce...Abstract: Magnesian wolframite with Mg-rich ferberite to MgWO4 dominated wolframite member (“magnesiowolframite”)... Slovenské Rudohorie Mts., Central Slovakia. Wolframite is associated with scheelite, molybdenite, pyrite...5 to 20 µm irregular remnants are preserved. Wolframite contains 2.7 to 7.8 wt.% MgO (20 – 58 mol.% ...whereas the exceptionally high Mg content in wolframite is inferred to be derived from adjacent Mg-rich |  | | Journal (article/letter/editorial) | | com/loi/tigr20 THE MAGNETIC PROPERTIES OF WOLFRAMITE GROUP MINERALS V. M. Vinokurov Published online:...Vinokurov (1960) THE MAGNETIC PROPERTIES OF WOLFRAMITE GROUP MINERALS, International Geology Review, 2:9...page/terms-and-conditions THE MAGNETIC PROPERTIES OF WOLFRAMITE GROUP MINERALS 1 by V. M. Vinokurov • translated...study of magnetic properties of members of the wolframite group indicates that they are paramagnetic minerals...the structure. - -Auth. The minerals of the wolframite group form an isomorphous series, MnW0 4 (huebnerite)-(Mn |  | | Report (volume) | | mineral................................... 27 Wolframite................................................with elongated rhombic crystal faces, from Nugget mine, Gilpin County, Colo.-................... II. A...from Hoosier mine, Nederland, Colo.; B, Cuboid ferberite crystals from Georgia A. mine, Nederland. Colo...Nugget mine, Gilpin County, Colo.............................. IV. A, Hiibnerite from Birdie mine, Butte...Colo.................................. V. A> Wolframite with cinnabar from Jack claim, Clark Mountains |  | | Report (issue) | | hardness and tensile strength. In the United Kingdom, mine production is confined to the South Crofty property...the I-Iemerdon Mine in Devon, the South Crofty property in Cornwall and Carrock Mine in Cumberland. The...Korea account for more than SO per cent of world mine product.ion of tungsten concentrates. United Kingdom...n1etal in1purities. Statistics relating to trade, mine production and overall consumption are readily available...and, perhaps, open pit extraction. Proposals to mine tungsten ores require planning approval and future |  | Harlaux, Matthieu, Mercadier, Julien, Marignac, Christian, Peiffert, Chantal, Cloquet, Christophe, Cuney, Michel (2018) Tracing metal sources in peribatholitic hydrothermal W deposits based on the chemical composition of wolframite: The example of the Variscan French Massif Central. Chemical Geology, 479. 58-85 doi:10.1016/j.chemgeo.2017.12.029 | Journal (article/letter/editorial) | | deposits based on the chemical composition of wolframite: The example of the Variscan French Massif Central...deposits based on the chemical composition of wolframite: The example of the Variscan French Massif Central...deposits based on the chemical composition of wolframite: the example of the Variscan French Massif Central...dataset for major, minor and trace elements in wolframite PT ([Fe,Mn]WO4) based on the example of several...the Variscan French Massif Central (FMC). The wolframite samples were characterized down to the micrometer |  | | Report (issue) | | caption, "Superb (dusty) phosphophyllite crystal group on matrix, tied to aCatholic shrine. The shrine...plwto Plldi.wp11�. Yaalte: 12.5 cm wide Siglo XX Mine, ,U� Bustillo province, Potosi Malty Zinn colkdknt...in Oruro ... 26 BY ROBERT B. COOK The Morococala Mine ..................................................Deposit: A Pre-Columbian Gem Mine ........... 80 BY ALFREDO PETROV The Anahi Mine ..........................Bolivia is a bit more than three times the size of Germany or twice the size of France. Bolivia is the poorest |  | Monnier, Loïs, Salvi, Stefano, Melleton, Jérémie, Bailly, Laurent, Béziat, Didier, de Parseval, Philippe, Gouy, Sophie, Lach, Philippe (2019) Multiple Generations of Wolframite Mineralization in the Echassieres District (Massif Central, France) Minerals, 9 (10) 637 doi:10.3390/min9100637 | Journal (article/letter/editorial) | | minerals Article Multiple Generations of Wolframite Mineralization in the Echassieres District (Massif...generations of wolframite, characterized by distinct Fe/Mn ratios (8.4; 3.5 and 0.3, for wolframite a, b and...hydrothermal episodes related to the Variscan orogeny. Wolframite a occurs in quartz veins of the La Bosse stockwork...intrusion of the Beauvoir and Colettes granites, wolframite b crystallized in the stockwork during massive...massive topazification. High concentrations of wolframite c occur in the proximal quartz veins in the Mazet |  | | Journal (article/letter/editorial) | | materials. W. B. W. Colorado Ferberite and the Wolframite Series. By F. L. HESS and W. T. SCIALLER. U.S...remainder of the wolframite group. He proposes the following definition of the group: At one end of the...reverse of those given for ferberite. The term wolframite shall be reservedfor mixtures of these molecules...were determined, 12 of which are new for the wolframite group. W. B. W. Glacier National Park. By M. R. |  | | Journal (article/letter/editorial) | | other minerals. position of wolframite as a temperatureindicator The wolframite-groupmineralsare also found...drothermalconditionsto determine physico-chemical granitic wolframite as a function of tionsof contact metamorphicdepositsadjacentto...sulfur ratiosof memthe stability of group silicate minerals that wolframite vary strated for many bersof the...resultsfrom the ronment. The common associationof wolframite U.S.S.R.indicateexactlythe reverse(e.g.Churikov...show that its of wolframite. Introduction 944 STABILITY RELATIONS OF THE WOLFRAMITE SER/ES Experimentalmethods |  | | Journal (article/letter/editorial) | | to be isostructural with the members of the wolframite group, even though the cation positions are proved...and manganese CARMEN ESCOBAR content in the wolframite series Corresponding percentages Atomic per...4.7 4.7 to 0 The minerals of the group are monoclinic, space group P2/c with two formula units per cell...an x-ray study of several tung states of the wolframite-type structure and of the scheelite-type structure...Ni tungstates and for the minerals hiibnerite, wolframite an ferberite. His results are resumed on Table |  | | Journal (article/letter/editorial) | | to be isostructural with the members of the wolframite group, even though the cation positions are proved...and manganese CARMEN ESCOBAR content in the wolframite series Corresponding percentages Atomic per...4.7 4.7 to 0 The minerals of the group are monoclinic, space group P2/c with two formula units per cell...an x-ray study of several tung states of the wolframite-type structure and of the scheelite-type structure...Ni tungstates and for the minerals hiibnerite, wolframite an ferberite. His results are resumed on Table |  | Konovalenko, Sergey I., Ananyev, Sergey A., Chukanov, Nikita V., Rastsvetaeva, Ramiza K., Aksenov, Sergey M., Baeva, Anna A., Gainov, Ramil R., Vagizov, Farit G., Lopatin, Oleg N., Nebera, Tatiana S. (2015) A new mineral species rossovskyite, (Fe3+,Ta)(Nb,Ti)O4: crystal chemistry and physical properties. Physics and Chemistry of Minerals, 42 (10) 825-833 doi:10.1007/s00269-015-0766-5 | Journal (article/letter/editorial) | | diffraction data. The new mineral is monoclinic, space group P2/c, a = 4.668(1), b = 5.659(1), c = 5.061(1) Å...structure of rossovskyite is analogous to that of wolframite-group minerals. The crystal-chemical formula of...Universität Mainz, Staudingerweg 9, 55099 Mainz, Germany 8 Helmholtz-Zentrum Berlin für Materialien und...und Energie, Hahn‑Meitner Platz 1, 14109 Berlin, Germany Introduction A new mineral rossovskyite (Fe3+...Formula weight (g) Temperature (K) Cell setting Space group (Fe3+,Ta)(Nb,Ti)O4 254.1 293 Monoclinic P2/c Lattice |  | | Journal (article/letter/editorial) | | K-feldspar ± amblygonite; and type II with quartz and wolframite mineralization, thus allowing the study of a...deposition at pressures below 100 MPa. Keywords Wolframite · Magmatic-hydrothermal · Fluid inclusions ·...several quartz veinlets, some of which contain wolframite, providing an opportunity to study W-mineralizations...a magmatic system. As an example of quartz + wolframite veinlets which have been formed in close connection...processes are evident; 13 therefore, the quartz-wolframite veins in the exocontact may potentially represent |  | | Journal (article/letter/editorial) | | the Yichun granite complex (SE China), columbite group minerals, microlite and cassiterite are the main...granite. The chemical evolution of the columbite group minerals (the most abundant and commonly zoned Nb...tantalite, microlite, cassiterite, Nb, Ta-rutile, wolframite, zoning. Introduction NIOBIUM, Ta, Sn-bearing...Snbearing minerals (especially of the columbite group). The Yichun granitic complex (SE China) represents...Ta-bearing rutile, Fe-rich and then Mn-rich columbite group minerals with cassiterite, and nally microlite |  | | Book | | impressive list of minerals, to wit: galena, silver, wolframite, molybdenite, pyrite, magnetite, haematite, cassiterite... Davis 24 The Geology of the Lin Ma Hang Lead Mine, Hong Kong (3 figs, 3 pls) - S. G. Davis and A....Mineralogy and Genesis of the Wolframite Ore Deposits in the Needle Hill Mine, Hong Kong (6 figs, 5 pls)...Ma On Shan Iron Mine, Hong Kong (6 figs, 2 pls) Development Plan of Ma On Shan Iron Mine, Hong Kong ( 4...of economic importance have been found. Iron, wolframite, graphite, kaolin, and sometimes lead ore are |  | Kolitsch, Uwe, Kristiansen, Roy, Raade, Gunnar, Tillmanns, Ekkehart (2010) Heftetjernite, a new scandium mineral from the Heftetjern pegmatite, Tordal, Norway. European Journal of Mineralogy, 22 (2) 309-316 doi:10.1127/0935-1221/2010/0022-1987 | Journal (article/letter/editorial) | | greyish brown mineral of the pyrochlore-microlite group, and an unidentified, orange-brown, tabular, nearly...mineral crystallises in the wolframite structure type, with space group P2/c and a ¼ 4.784(1), b ¼ 5...1990) and other scandian members of the pyrochlore group. One of their scandian ixiolites has 18.80 wt% Sc2O3...greyish brown mineral of the pyrochlore-microlite group, beside an unidentified, orange-brown, tabular,...50Sn0.20Mn0.18Fe0.07Ti0.05) (Ta0.58Nb0.42)O4 Space group, Z P2/c, 2 a, b, c (Å) 4.784(1), 5.693(1), 5.120(1) |  | | Journal (article/letter/editorial) | | (CaWO4) group (space group I41/a) and the other is wolframite [(Fe, Mn) WO4] group (space group P2/c)....members of the wolframite series are ferberite (FeWO4) and huebnerite (MnWO4). In wolframite, the Fe/(Fe...nature. The metasomatism of scheelite to the wolframite group and vice versa is also known to occur in nature...metasomatism of scheelite to ferberite, huebnerite, or wolframite occurs more frequently at high temperatures (400...We used huebnerite obtained from the Pasto Bueno mine, the Republic of Peru, as the starting material |  | | Journal (article/letter/editorial) | | members of the wolframite series are ferberite, FeWO4, and hiibnerite, MnWO4; wolframite is an isomorphous...in thin sections. All known analyses of the wolframite group are tabulated and criticized, and an appendix...—The impossibility of securing shipment from Germany of potash has led the Texan Bureau of Economic |
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Wolframite mine, Pechtelsgrün, Lengenfeld, Vogtlandkreis, Saxony, Germany