| | Report (issue) | NaV3(Al4Mg2)Si6O18(BO3)3(OH)3O Vanadio-oxy-dravite Crystal Data: Hexagonal. Point Group: 3m. As terminated...0.09 [2.86] 100.12 (1) Pereval marble quarry, Sludyanka, Lake Baikal, Russia; average of 10 electron...exists between the species oxy-dravite, vanadio-oxy-dravite, and oxy-vanadium-dravite. Mineral Group: Tourmaline...group, oxy-subgroup 3. Occurrence: A primary mineral in metaquartzite (granulite facies) in marble. Association:...Cr-bearing goldmanite, escolaite-karelianite, dravite–oxy-vanadium-dravite, V-bearing titanite and rutile, ilmenite | | Reznitskii, L., Clark, C. M., Hawthorne, F. C., Grice, J. D., Skogby, H., Halenius, U., Bosi, F. (2014) Chromo-alumino-povondraite, NaCr3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. American Mineralogist, 99 (8) 1767-1773 doi:10.2138/am.2014.4787 | Journal (article/letter/editorial) | Academy of Science, Lermontova str., 128, 664033 Irkutsk, Russia 2 Department of Geological Sciences, University...of the Pereval marble quarry (Sludyanka, Lake Baikal, Russia) in association with dravite, oxy-chromium-dravite...oxy-chromium-dravite, oxy-dravite, quartz, calcite, chromphyllite, eskolaite, chromite, uvarovite, chromian phlogopite...chromo-alumino-povondraite is related to oxy-dravite and oxy-chromium-dravite by the homovalent substitution Cr3+...spectroscopy, optical absorption spectroscopy, Sludyanka, Russia Introduction The tourmaline supergroup minerals | | Bosi, F., Skogby, H., Reznitskii, L., Halenius, U. (2014) Vanadio-oxy-dravite, NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. American Mineralogist, 99 (1) 218-224 doi:10.2138/am.2014.4605 | Journal (article/letter/editorial) | Mineralogist, Volume 99, pages 218–224, 2014 Vanadio-oxy-dravite, NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O, a new...Lermontova str., 128, 664033 Irkutsk, Russia 2 Abstract Vanadio-oxy-dravite, NaV3(Al4Mg2)(Si6O18)(BO3)3(OH)3O...in metaquartzites of the Pereval marble quarry (Sludyanka, Lake Baikal, Russia) in association with quartz...Cr-bearing goldmanite, escolaite–karelianite, dravite–oxy-vanadium-dravite, V-bearing titanite and rutile, ilmenite...pale green streak, and conchoidal fracture. Vanadio-oxy-dravite has a Mohs hardness of approximately 7½, | | Bosi, Ferdinando, Reznitskii, Leonid, Hålenius, Ulf, Skogby, Henrik (2017) Crystal chemistry of Al–V–Cr oxy-tourmalines from Sludyanka complex, Lake Baikal, Russia. European Journal of Mineralogy, 29 (3) 457-472 doi:10.1127/ejm/2017/0029-2617 | Journal (article/letter/editorial) | chemistry of Al–V–Cr oxy-tourmalines from Sludyanka complex, Lake Baikal, Russia FERDINANDO BOSI1,*, LEONID...of the Earth's Crust, Lermontova Str., 128, Irkutsk, Russia 3 Department of Geosciences, Swedish Museum...Abstract: Twelve Al–V–Cr oxy-tourmalines from the Sludyanka crystalline complex (Russia) were structurally...Mg)]–O3(O2)–Y(Cr), while the incorporation of V3þ into the oxy-tourmaline structure is controlled by the local arrangement...reliable guide to derive the composition of Al–V–Cr oxy-tourmalines from refractive-index measurements. Key-words: | | | Journal (article/letter/editorial) | chromo-aluminopovondraite and its relations with oxy-chromium-dravite and oxy-dravite Ferdinando Bosi,1,* Henrik Skogby...of the Earth’s Crust, Lermontova str., 128, Irkutsk, Russia 2 Abstract An Fe-bearing chromo-alumino-povondraite...from the Sludyanka crystalline complex (Lake Baikal, Russia) was characterized using single-crystal X‑ray...chromo-alumino-povondraite is related to oxy-chromium-dravite and oxy-dravite by the homovalent substitution Cr3+...the homovalent substitution Al3+ ↔ Cr3+: oxy-chromium-dravite, end-member formula NaCr3(Cr4Mg2) (Si6O18)(BO3)3(OH)3O | | | Book | of the Russian Academy of Sciences Chernogolovka Russia Alexandr D. Chervonnyi The Institute of Problems...Sciences Chernogolovka Russia and and The Lomonosov Moscow State University Moscow Russia The Lomonosov Moscow...Moscow State University Moscow Russia ISSN 2366-1585 Springer Mineralogy ISBN 978-3-319-25347-3 DOI...sufficiently complete reference books and databases in this area. To fill this gap, a handbook (Chukanov 2014) containing...Center (cm−1) Maximal height (absorbance units) Area 2 Fitting 1 (Fig. 1.7a), R = 0.99951 Gaussian |
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