 | Lussier, A. J., Aguiar, P. M., Michaelis, V. K., Kroeker, S., Hawthorne, F. C. (2009) The occurrence of tetrahedrally coordinated Al and B in tourmaline: An 11B and 27Al MAS NMR study. American Mineralogist, 94 (5) 785-792 doi:10.2138/am.2009.3000 | Journal (article/letter/editorial) | | transition-metal content and different species (elbaite, “fluor-elbaite,” liddicoatite, dravite, uvite, olenite...tourmaline. Determination of [4]Al content by peak-area integration commonly shows values of 0.0–0.5 apfu...compositions. Previous 11B MAS NMR work has examined elbaite or olenite, and many of the specimens examined...the present study are the same species because elbaite or olenite can be sufficiently low in paramagnetic...compositions (magnesiofoitite, schorl, “fluor-elbaite,” liddicoatite, uvite), but it is difficult to |  | | Journal (article/letter/editorial) | | tourmaline: a vibrational spectroscopic approach to elbaite Henrik Skogby • Ferdinando Bosi • Peter Lazor ...infrared and Raman spectra were acquired on an elbaite sample previously characterized by electron- and...Uppsala University, 752 36 Uppsala, Sweden Keywords Elbaite Tourmaline Infrared spectroscopy Raman spectroscopy...in the wavenumber region 3,100–3,900 cm-1 of an elbaite single crystal, and present a model to link the...perspective. Experimental methods Sample The studied elbaite sample (61Rda) comes from the Cruzeiro pegmatites |  | Bosi, F., Andreozzi, G. B., Skogby, H., Lussier, A. J., Abdu, Y., Hawthorne, F. C. (2013) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral species of the tourmaline supergroup. American Mineralogist, 98 (2) 297-303 doi:10.2138/am.2013.4285 | Journal (article/letter/editorial) | | Mineralogist, Volume 98, pages 297–303, 2013 Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, a new mineral...Winnipeg, Manitoba R3T 2N2, Canada Abstract Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18)(BO3)3(OH)3F, is a new...sub-conchoidal fracture and white streak. Fluor-elbaite has a Mohs hardness of approximately 7.5, and has...about 3.1 g/cm3. In plane-polarized light, fluor-elbaite is pleochroic (O = green/bluish green, E = pale...pale green), uniaxial negative. Fluor-elbaite is rhombohedral, space group R3m, a = 15.8933(2), c = 7.1222(1) |  | | Journal (article/letter/editorial) | | muscovite, K-feldspar and quartz. Crystals are black with a vitreous luster, sub-conchoidal fracture...Oxy-schorl Oxy-vanadium-draviteb Darrellhenryite Fluor-elbaite Vanadio-oxy-dravite Vanadio-oxy-chromium-dravite... chromium-dravite, fluor-dravite, fluor-schorl, elbaite, povondraite, fluorbuergerite, olenite, luinaite-(OH)...quartz veins in the Baraboo Quartzite (Wisconsin, USA), and they found cores richer in “oxy-foitite”. Other...additional phases, notably muscovite. Oxyfoitite is black with a vitreous luster and a gray streak and shows |  | Bosi, F., Skogby, H., Agrosi, G., Scandale, E. (2012) Tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3OH, a new mineral species of the tourmaline supergroup from Grotta d'Oggi, San Pietro in Campo, island of Elba, Italy. American Mineralogist, 97 (5) 989-994 doi:10.2138/am.2012.4019 | Journal (article/letter/editorial) | | association with quartz, K-feldspar, plagioclase, elbaite, and schorl. Crystals are greenish yellow with...Y(Al+Li)+WF → 2YMn2++WOH, which relates fluor-elbaite to the tsilaisite component. Infrared absorption...requirements. A compositional trend from fluor-elbaite to tsilaisite is observed in samples from Elba...5)Al6(Si6O18) (BO3)3O1.5(OH,F)2.5 and related to elbaite by the substitution Li+OH → Mn2++O2–; London (2011)...are very similar to those obtained on Mn-rich elbaite by Rossman and Mattson (1986), with a weak band |  | | Journal (article/letter/editorial) | | diffraction study of oxy-dravite from Osarara (Narok district, Kenya) was performed. Intensity data were collected...multi-methodological study on oxydravite from Osarara (Narok district, Kenya), based on single-crystal X-ray diffraction...reported by Tippe and Hamilton (1971) and on fluor-elbaite reported by Gatta et al. (2012). These two studies...= 3.152(4) Å and O3H3_O5 = 157.7(5)º in fluor-elbaite. A careful inspection of the difference-Fourier...fluor-buergerite by Tippe and Hamilton (1971) and fluor-elbaite by Gatta et al. (2012). Based on crystallographic |  | | Journal (article/letter/editorial) | | is usually ~3.3 Å in hydroxyl-tourmalines like elbaite (e.g. Skogby et al., 2012), an acceptor H1···O4...and Lucchesi, S. (2005) Crystal chemistry of the elbaite-schorl series. American Mineralogist, 90, 17841792...J., Abdu, Y. and Hawthorne, F.C. (2013b) Fluor-elbaite, Na(Li1.5Al1.5)Al6(Si6O18) (BO3)3(OH)3F, a new...(1994) The crystal-chemistry of manganese-bearing elbaite. The Canadian Mineralogist, 32, 3141. Filip, J... Abdu, Y. and Hawthorne, F.C. (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: |  | Marger, Katharina, Luisier, Cindy, Baumgartner, Lukas P., Putlitz, Benita, Dutrow, Barbara L., Bouvier, Anne-Sophie, Dini, Andrea (2019) Origin of Monte Rosa whiteschist from in-situ tourmaline and quartz oxygen isotope analysis by SIMS using new tourmaline reference materials. American Mineralogist, 104 (10) 1503-1520 doi:10.2138/am-2019-7012 | Journal (article/letter/editorial) | | 70803, U.S.A. 4 Istituto di Geoscienze e Georisorse, Area di Ricerca del CNR, I-56124 Pisa, Italy Abstract...Pawlig and Baumgartner (2001), in the Mezzalama area, upper Ayas Valley, northern Italy. Here, Alpine...tourmaline reference materials IAEA-B-4 Schorl, black prismatic crystals, 2–3 cm long, from Rosina pegmatite...crystals. UNIL-T1 Schorl, black to dark bluish, 2 cm long, overgrowth of an elbaite, from a cordierite- and...HAUSEN Mineraliengrosshandel GmbH. UNIL-T3 Schorl, black thin prismatic crystal, 3–5 cm long, from North |  | Bosi, Ferdinando, Cámara, Fernando, Ciriotti, Marco E., Hålenius, Ulf, Reznitskii, Leonid, Stagno, Vincenzo (2017) Crystal-chemical relations and classification problems in tourmalines belonging to the oxy-schorl–oxy-dravite–bosiite–povondraite series. European Journal of Mineralogy, 29 (3) 445-455 doi:10.1127/ejm/2017/0029-2616 | Journal (article/letter/editorial) | | very common: for example, dravite–schorl, schorl–elbaite, dravite–uvite and oxy-dravite–oxy-chromium–dravite...Department), equipped with a CCD area detector (6.2 6.2 cm2 active detection area, 512 512 pixels) and a...Gemini R Ultra diffractometer equipped with a CCD area detector at CrisDi (Interdepartmental Centre for...Valletta mine dump, Canosio, Maira Valley, Cuneo district, Piedmont, Italy. It is a small-volume mineralization...very reduced amount of landfill products of the mining activities. The landfill of the former small Fe–(Mn) |  | Bosi, Ferdinando, Andreozzi, Giovanni B., Agrosi, Giovanna, Scandale, Eugenio (2015) Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, a new tourmaline from San Piero in Campo (Elba, Italy) and new data on tsilaisitic tourmaline from the holotype specimen locality. Mineralogical Magazine, 79 (1) 89-101 doi:10.1180/minmag.2015.079.1.08 | Journal (article/letter/editorial) | | with quartz, K-feldspar, plagioclase, elbaite, schorl, fluor-elbaite and tsilaisite. Crystals are greenish...through the substitution WF $ W(OH) and with fluor-elbaite through the substitution Y(Al + Li) $ 2YMn2+, and...during tourmaline evolution from tsilaisite to fluor-elbaite. K EY WORDS : fluor-tsilaisite, tourmaline, crystal-structure...Fluor-species Fluor-dravite Fluor-schorl Fluor-elbaite Fluor-tsilaisite NaMg3Al6(Si6O18)(BO3)3(OH)3F...A NEW TOURMALINE plagioclase, schorl, elbaite, fluor-elbaite and tsilaisite. Fluor-tsilaisite is greenish |  | | Journal (article/letter/editorial) | | most tourmalines correspond to the schorl-dravite-elbaite composition fields, cations that normally occur...MINERAL SPECIES OF TOURMALINE Nausahi, Keonjhar District, Orissa, India, and was given the name chromo...Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...green Emerald green Dark emerald green to greenish black O = dark green E = yellow green O = dark green E...Abdu, Y., and Hawthorne, F.C. (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: |  | | Journal (article/letter/editorial) | | Department), equipped with CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...oxy-tourmaline. Black crosses = V3+ dominant tourmalines from Sludyanka (ca. 160 data); black circle = studied...studied sample (8-25); black triangles = oxy-chromium-dravite (Bosi et al. 2012); black star = oxy-dravite...Abdu, Y., and Hawthorne, F.C. (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar:...and Kroeker, S. (2011a) Elbaite-liddicoatite from Black Rapids glacier, Alaska. Periodico di Mineralogia |  | | Journal (article/letter/editorial) | | originates from the locality of Osarara (Narok district, Kenya) and occurs in quartz-muscovite schist...originates from the locality of Osarara (Narok district, Kenya) and occurs in quartz-muscovite schist...Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...sample of similar composition from Osarara, Narok district, Kenya (NMNH no.126030), Mattson and Rossman (1984)...43 mm/s, relative to α-Fe). The obtained Fe3+/ΣFe area ratio is 0.96, with an estimated error of ±0.02 |  | Lussier, Aaron, Ball, Neil A., Hawthorne, Frank C., Henry, Darrell J., Shimizu, Rentaro, Ogasawara, Yoshihide, Ota, Tsutomu (2016) Maruyamaite, K(MgAl2)(Al5Mg)Si6O18(BO3)3(OH)3O, a potassium-dominant tourmaline from the ultrahigh-pressure Kokchetav massif, northern Kazakhstan: Description and crystal structure. American Mineralogist, 101 (2) 355-361 doi:10.2138/am-2016-5359 | Journal (article/letter/editorial) | | ultrahigh-pressure quartzofeldspathic gneisses of the Kumdy-Kol area of the Kokchetav Massif, northern Kazakhstan. Maruyamaite...quartzofeldspathic rock collected from the Kumdy-Kol area of the Kokchetav Massif (Ota et al. 2008a, 2008b;...octahedrally coordinated Fe3+ (Fig. 3, Table 1). The area ratio of the Fe3+ doublet to the Fe2+ doublets is...Quadrupole splitting 2.46(15) 1.89(5) 0.66(28) Area ratio 44(5) 49(5) 2(1.8) Constituent wt% Range...(1994) The crystal chemistry of manganese-bearing elbaite. Canadian Mineralogist, 32, 31–41. Clark, C.M. |  | | Journal (article/letter/editorial) | | Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...respectively. Diamonds denote measured spectra, and black curve represents summed fitted spectra 13 47...and heat-treated (800 °C) oxy-dravite δ ΔEQ Γ % Area Assignment Untreated 0.81 0.48 0.34 0.23 2.69...E⊥c of untreated and heat-treated oxy-dravite. Black dots are measured spectra, green lines are fitted...the relative peak area for the band at ~3563 cm−1 and an increase in relative peak area for the band at |  | 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) | | Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...cm–1 in the infrared spectrum (Fig. 1), i.e., the area typically ascribed to the O1 site (see below). Infrared...NaY(R3+)3Z(R3+ 4 Mg2)Si6O18(BO3)3(OH)3O. The solid black circle is the studied sample. apfu) assigned to...Slyudyanka crystalline complex, Southern Baikal Area: U–Pb geochronology of granitoids. Petrology, 5...Y., and 1773 Hawthorne, F.C. (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: |  | Bosi, Ferdinando, Skogby, Henrik, Lazor, Peter, Reznitskii, Leonid (2015) Atomic arrangements around the O3 site in Al- and Cr-rich oxy-tourmalines: a combined EMP, SREF, FTIR and Raman study. Physics and Chemistry of Minerals, 42 (6) 441-453 doi:10.1007/s00269-015-0735-z | Journal (article/letter/editorial) | | occurrence of strong correlations between relative peak area intensities for two IR bands at 3,565 and 3,519...2000; Hoang et al. 2011; Fantini et al. 2014). For elbaite, Skogby et al. (2012) presented a unifying assignment...Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...drift of the band centers. The obtained absorption area distributions for the two bands are listed in Table...into a larger fitting uncertainty. The absorption area distributions for the two bands are listed in Table |  | 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) | | Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...crystallographic c-axis direction using a circular measurement area of 100 mm diameter on a 36 mm thick doubly polished...cm–1 in the infrared spectrum (Fig. 1), i.e., the area typically ascribed to the O1 site (see below), and...1.620(5) 1.673(5) 1.729(4) Color Dark red Green Black Pleochroism O = orange O = yellow green O = deep...Al-V-Cr at the Y + Z sites for oxy-tourmalines. Black circle: present sample. Open circles: V3+bearing |  | Bosi, F., Reznitskii, L., Skogby, H., Halenius, U. (2014) Vanadio-oxy-chromium-dravite, NaV3(Cr4Mg2)(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. American Mineralogist, 99 (5) 1155-1162 doi:10.2138/am.2014.4568 | Journal (article/letter/editorial) | | Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...wire-grid polarizer (KRS-5) and a circular measurement area of 100 mm diameter on a 34 mm thick doubly polished...of Al-V-Cr at (Y + Z) sites for oxy-tourmalines. Black circles: present samples. White circles: sample...Yellowish-brownish Color Emerald-green Green Dark green to black Pleochroism O = dark-green O = dark green O = dark...Abdu, Y., and Hawthorne, F.C. (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: |  | | Journal (article/letter/editorial) | | Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...a wire-grid polarizer and a circular measurement area of 100 µm diameter on a 47 µm thick doubly polished...line denotes summed spectrum. The obtained Fe3+/ΣFe area ratio is 0.68, with an estimated error of ±0.06...Abdu, Y., and Hawthorne, F.C. (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar:...and Kroeker, S. (2011a) Elbaite-liddicoatite from Black Rapids glacier, Alaska. Periodico di Mineralogia |  | | Journal (article/letter/editorial) | | Department), equipped with a CCD area detector (6.2 × 6.2 cm2 active detection area, 512 × 512 pixels) and a...respectively. Diamonds denotes measured spectra, and black curve represents summed fitted spectra on the untreated...07 1.00 0.62 L-AIR 1.10 0.95 0.38 0.37 ΔEQ Γ % Area Assignment of an (OH)-rich mineral such as tourmaline...Linking Mössbauer and structural parameters in elbaite-schorl-dravite tourmalines. Am Mineral 93:658–666...Herwig S, Abdu Y, Hawthorne FC (2008) Mushroom elbaite from the Kat Chay mine, Momeik, near Mogok, Myanmar: |  | Filip, Jan, Bosi, Ferdinando, Novák, Milan, Skogby, Henrik, Tuček, Jiří, Čuda, Jan, Wildner, Manfred (2012) Iron redox reactions in the tourmaline structure: High-temperature treatment of Fe3+-rich schorl. Geochimica et Cosmochimica Acta, 86. 239-256 doi:10.1016/j.gca.2012.02.031 | Journal (article/letter/editorial) | | of Bancroft, southern Ontario. At this locality, black, fine- to medium-grained aggregates and individual...(hyperfine parameters ±0.02 mm/s, relative spectral area ±3%; Greenwood and Gibb, 1971). In the first step...fragments (originally black) turned dark brownishred (oxidized) or greyish-black (reduced) when viewed...powdered samples, which, due to their large surface area per unit of weight, oxidize much faster than single-crystals...Hill tourmaline sample due to the larger surface area/volume ratio. At 700 °C, the Fe3+ content dropped |
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