| Reference Type | Journal (article/letter/editorial) |
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| Title | New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XI. Anatolyite, Na6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6 |
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| Journal | Mineralogical Magazine |
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| Authors | Pekov, Igor V. | Author |
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| Lykova, Inna S. | Author |
| Yapaskurt, Vasiliy O. | Author |
| Belakovskiy, Dmitry I. | Author |
| Turchkova, Anna G. | Author |
| Britvin, Sergey N. | Author |
| Sidorov, Evgeny G. | Author |
| Scheidl, Katharina S. | Author |
| Year | 2019 (October) | Volume | 83 |
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| Page(s) | 633-638 | Issue | 5 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/rruff_1.0/uploads/MM83_633.pdf+ |
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| DOI | doi:10.1180/mgm.2019.11Search in ResearchGate |
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| Classification | Not set | LoC | Not set |
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| Mindat Ref. ID | 245176 | Long-form Identifier | mindat:1:5:245176:7 |
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| GUID | 203f4489-9848-43de-83c9-5f1b85decdc8 |
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| Full Reference | Pekov, Igor V., Lykova, Inna S., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Scheidl, Katharina S. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XI. Anatolyite, Na6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6. Mineralogical Magazine, 83 (5) 633-638 doi:10.1180/mgm.2019.11 |
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| Plain Text | Pekov, Igor V., Lykova, Inna S., Yapaskurt, Vasiliy O., Belakovskiy, Dmitry I., Turchkova, Anna G., Britvin, Sergey N., Sidorov, Evgeny G., Scheidl, Katharina S. (2019) New arsenate minerals from the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. XI. Anatolyite, Na6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6. Mineralogical Magazine, 83 (5) 633-638 doi:10.1180/mgm.2019.11 |
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| Abstract/Notes | The new mineral anatolyite Na6(Ca,Na)(Mg,Fe3+)3Al(AsO4)6 was found in the Arsenatnaya fumarole, Tolbachik volcano, Kamchatka, Russia. It is associated with potassic feldspar, hematite, tenorite, cassiterite, johillerite, tilasite, ericlaxmanite, lammerite, arsmirandite, sylvite, halite, aphthitalite, langbeinite, anhydrite, wulffite, krasheninnikovite, fluoborite, pseudobrookite and fluorophlogopite. Anatolyite occurs as aggregates (up to 2 mm across) of rhombohedral–prismatic, equant or slightly elongated along [001] crystals up to 0.2 mm. The mineral is transparent, pale brownish–pinkish, with vitreous lustre. It is brittle, cleavage was not observed and the fracture is uneven. The Mohs’ hardness is ca 4½. Dcalc is 3.872 g cm–3. Anatolyite is optically uniaxial (–), ω = 1.703(4) and ε = 1.675(3). Chemical composition (wt.%, electron microprobe) is: Na2O 16.55, K2O 0.43, CaO 2.49, MgO 5.80, MnO 0.16, CuO 0.69, ZnO 0.55, Al2O3 5.01, Fe2O3 7.94, TiO2 0.18, SnO2 0.17, SiO2 0.04, P2O5 0.55, As2O5 60.75, SO3 0.03, total 101.34. The empirical formula based on 24 O apfu is (Na5.90K0.10)Σ6.00(Ca0.50Na0.13Zn0.08Mn0.03)Σ0.74(Mg1.63Fe3+1.12Al0.15Cu0.10)Σ3.00(Al0.96Ti0.03Sn0.01)Σ1.00(As5.97P0.09Si0.01)Σ6.07O24. Anatolyite is trigonal, R$\bar{3}$c, a = 13.6574(10), c = 18.2349(17) Å, V = 2945.6(4) Å3 and Z = 6. The strongest reflections of the powder XRD pattern [d,Å(I)(hkl)] are: 7.21(33)(012), 4.539(16)(113), 4.347(27)(211), 3.421(20)(220), 3.196(31)(214), 2.981(17)(223), 2.827(100)(125) and 2.589(18)(410). The crystal structure was solved from single-crystal XRD data to R = 4.77%. The structure is based on a 3D heteropolyhedral framework formed by M4O18 clusters [M1 = Al and M2 = (Mg,Fe3+)] linked with AsO4 tetrahedra. (Ca,Na) and Na cations centre A1O6 and A2O8 polyhedra in voids of the framework. Anatolyite is isostructural with yurmarinite. The new mineral is named in honour of the outstanding Russian crystallographer, mineralogist and mathematician Anatoly Kapitonovich Boldyrev (1883–1946). |
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