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molybdomenite

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Journal Article
Published: 16 July 2024
The Canadian Journal of Mineralogy and Petrology (2024) 62 (4): 643–652.
...Jingnan Zhang; Hexiong Yang; Ronald B. Gibbs Abstract A polymorph of PbSe 4+ O 3 , designated as molybdomenite- P 2 1 / c , has been discovered from the El Dragón mine, Potosí Department, Bolivia. It occurs as thin-bladed crystals. Associated minerals are Co-bearing krut’aite–penroseite...
FIGURES | View All (5)
Journal Article
Published: 01 June 1965
The Canadian Mineralogist (1965) 8 (2): 149–158.
...J. A. Mandarino Abstract Molybdomenite has been found at the Ranwick Uranium Mine, where it occurs as small white to colourless blades closely associated with clausthalite. Molybdomenite has been synthesized and its chemical formula is established as PbSeO 3 . The mineral is monoclinic with space...
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Raman spectra of <span class="search-highlight">molybdomenite</span> and <span class="search-highlight">molybdomenite</span>- P 2 1 &#x2F; c .
Published: 16 July 2024
Fig. 3. Raman spectra of molybdomenite and molybdomenite- P 2 1 / c .
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COMPARISON OF CRYSTALLOGRAPHIC DATA FOR <span class="search-highlight">MOLYBDOMENITE</span> AND <span class="search-highlight">MOLYBDOMENITE</span>- P ...
Published: 16 July 2024
TABLE 3. COMPARISON OF CRYSTALLOGRAPHIC DATA FOR MOLYBDOMENITE AND MOLYBDOMENITE- P 2 1 / c
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Comparison of [PbO 9 ] coordinations in (a) <span class="search-highlight">molybdomenite</span>- P 2 1 &#x2F; c  and (...
Published: 16 July 2024
Fig. 4. Comparison of [PbO 9 ] coordinations in (a) molybdomenite- P 2 1 / c and (b) molybdomenite. Red spheres represent O atoms.
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Crystal structures of (a) <span class="search-highlight">molybdomenite</span>- P 2 1 &#x2F; c  and (b) <span class="search-highlight">molybdomenite</span>, ...
Published: 16 July 2024
Fig. 5. Crystal structures of (a) molybdomenite- P 2 1 / c and (b) molybdomenite, showing that layers of Pb atoms alternate with layers of [Se 4+ O 3 ] groups. For clarity and simplicity, O atoms and Pb–O bonds are omitted. The figure legend is the same as in Figure 4 .
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SELECTED BOND DISTANCES (Å) FOR <span class="search-highlight">MOLYBDOMENITE</span>- P 2 1 &#x2F; c
Published: 16 July 2024
TABLE 6. SELECTED BOND DISTANCES (Å) FOR MOLYBDOMENITE- P 2 1 / c
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CHEMICAL ANALYTICAL DATA (IN wt.%) FOR <span class="search-highlight">MOLYBDOMENITE</span>- P 2 1 &#x2F; c
Published: 16 July 2024
TABLE 1. CHEMICAL ANALYTICAL DATA (IN wt.%) FOR MOLYBDOMENITE- P 2 1 / c
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ATOMIC DISPLACEMENT PARAMETERS (Å 2 ) FOR <span class="search-highlight">MOLYBDOMENITE</span>- P 2 1 &#x2F; c
Published: 16 July 2024
TABLE 5. ATOMIC DISPLACEMENT PARAMETERS (Å 2 ) FOR MOLYBDOMENITE- P 2 1 / c
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CALCULATED BOND-VALENCE SUMS FOR <span class="search-highlight">MOLYBDOMENITE</span>- P 2 1 &#x2F; c
Published: 16 July 2024
TABLE 7. CALCULATED BOND-VALENCE SUMS FOR MOLYBDOMENITE- P 2 1 / c
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The specimen on which the new mineral <span class="search-highlight">molybdomenite</span>- P 2 1 &#x2F; c  (in the red...
Published: 16 July 2024
Fig. 1. The specimen on which the new mineral molybdomenite- P 2 1 / c (in the red circle) was found.
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POWDER X-RAY DIFFRACTION DATA ( d  IN Å,  I  IN %) OF <span class="search-highlight">MOLYBDOMENITE</span>- P 2 1 ...
Published: 16 July 2024
TABLE 2. POWDER X-RAY DIFFRACTION DATA ( d IN Å, I IN %) OF MOLYBDOMENITE- P 2 1 / c
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A microscopic view of pale yellow, thin-bladed <span class="search-highlight">molybdomenite</span>- P 2 1 &#x2F; c  cr...
Published: 16 July 2024
Fig. 2. A microscopic view of pale yellow, thin-bladed molybdomenite- P 2 1 / c crystals in a vug.
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FRACTIONAL ATOMIC COORDINATES AND EQUIVALENT ISOTROPIC DISPLACEMENT PARAMET...
Published: 16 July 2024
TABLE 4. FRACTIONAL ATOMIC COORDINATES AND EQUIVALENT ISOTROPIC DISPLACEMENT PARAMETERS (Å 2 ) FOR MOLYBDOMENITE- P 2 1 / c
Journal Article
Published: 29 September 2023
The Canadian Journal of Mineralogy and Petrology (2023) 61 (5): 987–998.
... as aggregates of bladed or tabular crystals. Associated minerals are Co-bearing krutâ€Čaite–penroseite (matrix), chalcomenite, ‘clinochalcomenite’ (not IMA approved), molybdomenite, lepidocrocite, goethite, ahlfeldite, and calcite. Petermegawite is colorless in transmitted light and transparent with a white...
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Journal Article
Published: 01 May 2016
European Journal of Mineralogy (2016) 28 (2): 479–484.
...-rich krut’aite–penroseite, dolomite and goethite. Associated minerals are: ahlfeldite, allophane, calcite, chalcomenite, favreauite, felsƑbányaite, malachite and molybdomenite. Crystals occur in drusy/scaly coatings and compact balls, the latter to 0.5 mm in diameter. Individual crystals are up...
FIGURES | View All (4)
Journal Article
Published: 01 December 2014
European Journal of Mineralogy (2014) 26 (6): 771–781.
.... The mineral occurs in vughs in a matrix of (Co, Cu)-rich penroseite, dolomite and goethite. Associated minerals are: ahlfeldite, allophane, calcite, chalcomenite, malachite, molybdomenite and an unnamed Al selenite. Favreauite forms tiny green square tabular crystals, flattened on {001}, up to 0.1 mm on edge...
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Journal Article
Published: 01 December 2006
The Canadian Mineralogist (2006) 44 (6): 1557–1560.
... = planchéite : Ann. Soc. Géol. Belg. 91 1968, 401. Kerstenite (of Dana) = molybdomenite : Eur. J. Mineral . 6 1994, 337 and Plinius 28 2002, 235–236; also olsacherite . Kitaibelite = Pb-containing pavonite : Geol. Assoc. Can. – Mineral. Assoc. Can., Program Abstr . 17 1992, 116; draft...
Journal Article
Published: 01 October 2023
Mineralogical Magazine (2023) 87 (5): 783–787.
..., Mountain 1004, Tolbachik volcano, Kamchatka peninsula, Far-Eastern Region, Russia Igor V. Pekov*, Sergey N. Britvin, Atali A. Agakhanov, Marina F. Vigasina, Anna G. Turchkova and Pavel S. Zhegunov *E-mail: [email protected] A dimorph of molybdomenite Monoclinic: P 2 1 / c ; structure...
Journal Article
Published: 01 July 2020
American Mineralogist (2020) 105 (7): 1108–1119.
... locality for achávalite and molybdomenite. Petƙíčekite, has been found in two specimens from Pƙedboƙice bought at a mineral fair and in old specimen from Sierra de Cacheuta obtained same way. The origin of material from El Dragón was not specified. In the specimens from Pƙedboƙice petƙíčekite occurs either...