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molybdite

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Raman spectra of <span class="search-highlight">molybdite</span>, sidwillite, raydemarkite, and virgilluethite. T...
Published: 28 December 2023
Fig. 5. Raman spectra of molybdite, sidwillite, raydemarkite, and virgilluethite. The inserted figure shows the weak band centered at 3393 cm −1 for virgilluethite.
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Raman spectra of raydemarkite, <span class="search-highlight">molybdite</span>, and sidwillite
Published: 10 March 2023
Fig. 5. Raman spectra of raydemarkite, molybdite, and sidwillite
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Comparison of the linkage between the MoO 6  octahedral double chains in (a...
Published: 10 March 2023
Fig. 8. Comparison of the linkage between the MoO 6 octahedral double chains in (a) raydemarkite and (b) molybdite. The legend for raydemarkite is the same as in Figure 5 .
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Comparison of double chains of MoO 6  octahedra in (a) raydemarkite and (b)...
Published: 10 March 2023
Fig. 7. Comparison of double chains of MoO 6 octahedra in (a) raydemarkite and (b) molybdite ( Sitepu 2009 ) showing their topological resemblance. For raydemarkite, the legend is the same as in Figure 5 .
Journal Article
Published: 10 March 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (1): 203–213.
...Fig. 5. Raman spectra of raydemarkite, molybdite, and sidwillite ...
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Journal Article
Published: 28 December 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (6): 1151–1162.
...Fig. 5. Raman spectra of molybdite, sidwillite, raydemarkite, and virgilluethite. The inserted figure shows the weak band centered at 3393 cm −1 for virgilluethite. ...
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Journal Article
Published: 01 April 2020
Mineralogical Magazine (2020) 84 (3): 455–462.
..., Tajikistan. The new mineral is named after the Falgar, an ancient Sogdian name for an area around the Zeravshan riverhead. Falgarite is a fumarolic mineral formed directly from a gas emitted by a natural underground coal fire. Associated minerals are anhydrite, baryte, molybdite, an unidentified Tl-vanadyl...
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Journal Article
Journal: Economic Geology
Published: 01 November 1986
Economic Geology (1986) 81 (7): 1753–1759.
... metasedimentary rocks.Surface exposures of rubble and limited outcrop are extensively leached; molybdenum occurs as molybdite oxides and tungsten occurs in both ferberite and huebnerite end members of the wolframite series. There is an apparent zonation from an upper tungsten-topaz zone capped by massive silica...
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A schematic view of the crystal structures of (a) sidwillite (MoO 3 ·2H 2 O...
Published: 28 December 2023
Fig. 1. A schematic view of the crystal structures of (a) sidwillite (MoO 3 ·2H 2 O) ( Krebs 1972 , Cesbron & Ginderow 1985 ), (b, c) virgilluethite (β-MoO 3 ·H 2 O) [(b) Günter 1972 , (c) Boudjada et al . 1993 ], and (d) molybdite (α-MoO 3 ) ( Kihlborg 1963 , Sitepu 2009 ). Open circles
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An experimentally determined solubility isotherm (400°C) in which measured ...
Published: 01 November 2021
Fig. 3. An experimentally determined solubility isotherm (400°C) in which measured gold fugacity normalized to HCl fugacity is shown as a function of water fugacity buffered by the assemblage of molybdenum dioxide-molybdite (blue diamonds). The experimental data were fitted to a power function f
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Normalized  k  3 -weighted EXAFS spectra for selected model compounds (a, l...
Published: 01 June 2006
molybdenum, (2) MoS 2 (molybdenite), (3) MoO 2 , (4) Mo(OC 3 H 7 ) 5 (molybdenum isopropoxyl), (5) ammonium dimolybdate, (6) MoO 3 (molybdite), (7) CaMoO 4 (powellite), (8) Na 2 MoO 4 ·2H 2 O, and (9) Li 2 MoO 4 .
Journal Article
Published: 01 April 2010
American Mineralogist (2010) 95 (4): 639–645.
... of anions, the lowest energy structure is often achieved by forming a layer structure. In this context, a related mineral is molybdite, MoO 3 , which has the same stoichiometry and same anion cubic close-packing as in anthoinite. Molybdite has orthorhombic symmetry, Pbnm , with a = 3.963 Å, b = 13.855...
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Journal Article
Published: 01 June 2006
The Canadian Mineralogist (2006) 44 (3): 731–753.
... molybdenum, (2) MoS 2 (molybdenite), (3) MoO 2 , (4) Mo(OC 3 H 7 ) 5 (molybdenum isopropoxyl), (5) ammonium dimolybdate, (6) MoO 3 (molybdite), (7) CaMoO 4 (powellite), (8) Na 2 MoO 4 ·2H 2 O, and (9) Li 2 MoO 4 . ...
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Journal Article
Published: 01 August 2015
European Journal of Mineralogy (2015) 27 (5): 695–699.
... 0.5 Bi 0.5 )MoO 4 . Molybdenite is also frequently altered into secondary minerals, initially indicated as “molybdite” by Caboi et al. (1978) . The recent mineralogical studies carried out by Orlandi et al. (2013) showed actually the occurrence of a wide series of minerals formed...
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Journal Article
Published: 01 March 2003
European Journal of Mineralogy (2003) 15 (2): 283–288.
... native elements (sulphur, selenium, Bi-antimony, bismuth and lead), sulphides (galena, greenockite, antimonite, arsenic sulfides, and monoclinic GeSnS 3 ), oxides (molybdite, arsenolite, hexagonal GeO 2 ), halides (sal ammoniac, cryptohalite, bararite), sulphates (anglesite, mascagnite, letovicite...
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Journal Article
Published: 01 August 2014
American Mineralogist (2014) 99 (8-9): 1521–1527.
... nanocontainers and the methods used Loading methods Loaded minerals Type-A containers Capillary wetting by molten salts molybdite (MoO 3 ), shcherbinaite (V 2 O 5 ) Capillary introduction of soluble materials in solution, followed by annealing magnetite (Fe 3 O 4 ), bunsenite (NiO), zincite...
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Journal Article
Published: 01 October 2006
American Mineralogist (2006) 91 (10): 1703–1706.
... models using X-ray diffraction data for molybdite and calcite powders . Journal of Applied Crystallography , 38 , 158 – 167 . Tateno , S. , Hirose , K. , Sata , N. , and Ohishi , Y. ( 2006 ) High-pressure behavior of Mn-GeO 3 and CdGeO 3 perovskites and the post-perovskite...
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Journal Article
Journal: Geology
Published: 01 September 2003
Geology (2003) 31 (9): 737–740.
... (the many silicates). V 5+ and Mo 6+ are hard cations with about the same ionic potential, and they also form oxides (shcherbinaite and molybdite) and oxysalt minerals (the vanadates and molybdates). If one follows the contour for z / r = 8 from those hard cations to the intermediate and soft cations...
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Journal Article
Published: 01 August 2012
European Journal of Mineralogy (2012) 24 (4): 749–757.
... such as molybdite (MoO 3 ), tugarinovite (MoO 2 ) and ilsemannite were observed at Kudryavy Volcano (Iturup, Kurile Islands) in sublimates at temperatures less than 400 °C, which formed a zone with elevated f O 2 levels ( Bykova et al. , 1995 ). Except for powellite, the only known MoO 4 -containing species...
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Journal Article
Published: 01 October 2014
American Mineralogist (2014) 99 (10): 2089–2094.
... of molybdenum, indicated by Caboi et al. (1978) as molybdite. It is interesting to note that these authors stated that a peculiar feature of this mineralization is related to the small number of mineral species, with the mineral assemblage formed exclusively by quartz and molybdenite. On the contrary...
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