 | | Report (issue) | | NaMg3Al6Si6O18(BO3)3(OH)3F Fluor-dravite Crystal Data: Hexagonal. Point Group: 3m. As irregular grains...X-ray Powder Pattern: Crabtree emerald mine, Mitchell County, North Carolina, USA. 3.475 (100), 2.583 (67)...73 0.81 100.00 (1) Crabtree emerald mine, Mitchell County, North Carolina, USA; average of 10 electron...Polymorphism & Series: Solid-solution exists with fluor-schorl. Mineral Group: Tourmaline supergroup, alkali...Distribution: From the Crabtree emerald mine, Mitchell County, North Carolina, USA. Name: As a dravite with dominant |  | Clark, C. M., Hawthorne, F. C., Ottolini, L. (2011) Fluor-dravite, NaMg3Al6Si6O18(BO3)3(OH)3F, a new mineral species of the tourmaline group from the Crabtree emerald mine, Mitchell County, North Carolina: description and crystal structure. The Canadian Mineralogist, 49 (1) 57-62 doi:10.3749/canmin.49.1.57 | Journal (article/letter/editorial) | | 57-62 (2011) DOI : 10.3749/canmin.49.1.57 FLUOR-DRAVITE, NaMg3Al6Si6O18(BO3)3(OH)3F, A NEW MINERAL SPECIES...TOURMALINE GROUP FROM THE CRABTREE EMERALD MINE, MITCHELL COUNTY, NORTH CAROLINA: DESCRIPTION AND CRYSTAL... Ferrata 1, I–27100 Pavia, Italy Abstract Fluor-dravite, NaMg3Al6Si6O18(BO3)3(OH)3F, is a new mineral...tourmaline group from the Crabtree emerald mine, Mitchell County, North Carolina, U.S.A. It occurs as isolated...are blackish brown with a pale brown streak. Fluor-dravite is brittle and has a Mohs hardness of 7; it |  | | Journal (article/letter/editorial) | | the tourmaline group from Norway: occurrences of fluor-schorl and luinaite-(OH) Uwe Kolitsch, Tomas A....Recently three new members of the tourmaline group, fluor-schorl (IMA 2010-067), f1uordravite (IMA 2009-089)...(UK and AE) were involved in the descriptions of fluor-schorl and luinaite-(OH), and we are also working...German locality. The first of the three new species, fluor-schorl, NaFe 2+,A1 6Si 60'8(B0 3h(OHhF, is the Fanalogue...second new species, fluor-dravite, NaMg,A1 6Si 60,8(B0 3h(OHhF, is the F-analogue of dravite [NaMg,A1 6Si 60'8(B0 |  | | Journal (article/letter/editorial) | | byzantievite, chibaite, ferroericssonite, fluor-dravite, fluorocronite, litochlebite, magnesioneptunite...Agardite-(Nd), NdCu6(AsO4)3(OH)6·3H2O, from the Hilarion Mine, Lavrion, Greece: mineral description and chemical...triple junction of the Pacific, Philippine Sea, and North America plates. The chemical analysis of chibaite...Fe2+ analogue of ericssonite, from eastern Fresno County, California, U.S.A. Canadian Mineralogist, 49,...Creek in eastern Fresno County, and also at Trumbull Peak in Mariposa County, California, U.S.A. The |  | | Journal (article/letter/editorial) | | Mineralogist, Volume 98, pages 1442–1448, 2013 Oxy-dravite, Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O, a new mineral...50007, SE-10405 Stockholm, Sweden 2 Abstract Oxy-dravite, Na(Al2Mg)(Al5Mg)(Si6O18)(BO3)3(OH)3O, is a new...occurs in quartz-muscovite schist. Crystals of oxy-dravite are dark red, partially translucent with a vitreous...of 3.073 g/cm3. In plane-polarized light, oxy-dravite is pleochroic (O = orange and E = pink) and uniaxial...uniaxial negative: ω = 1.650(5), ε = 1.620(5). Oxy-dravite is rhombohedral, space group R3m, with the unit-cell |  | Baksheev, Ivan A., Trumbull, Robert B., Popov, Mikhail P., Erokhin, Yuri V., Kudryavtseva, Olesya E., Yapaskurt, Vasily O., Khiller, Vera V., Vovna, Galina M., Kiselev, Vladimir I. (2018) Chemical and boron isotopic composition of tourmaline from the Mariinsky emerald deposit, Central Urals, Russia. Mineralium Deposita, 53 (4) 565-583 doi:10.1007/s00126-017-0759-z | Journal (article/letter/editorial) | | Emerald Mines locality in the Central Urals, 80 km north of Yekaterinburg (Fig. 1), has attracted many geological...Fershtater et al. 2007), which extends for 39 km north–south (Fig. 1). The Adui pluton shows irregular...manifestations of Jurassic magmatism in the Emerald Mine district and in the central Urals. The rocks within...along NE-trending faults and dip to the south or north at low angles. They reach 50 m in length and have...crystals of type 1a tourmaline cemented by brown fluor-phlogopite. b Three-grain cluster of green tourmaline |  | | Journal (article/letter/editorial) | | Bosiite NaFe33+(Al4Mg2)Si6O18(BO3)3(OH)3O Chromium-dravite NaMg3Cr6Si6O18(BO3)3(OH)3OH Chromo-alumino-povondraite... Darrellhenryite NaLiAl2Al6Si6O18(BO3)3(OH)3O Dravite NaMg3Al6Si6O18(BO3)3(OH)3OH Elbaite Na(Li1.5,Al1...3OH Fluor-buergerite NaFe3+ 3 Al6Si6O18(BO3)3O3F Fluor-dravite NaMg3Al6Si6O18(BO3)3(OH)3F Fluor-elbaite...5)Al6Si6O18(BO3)3(OH)3F Fluor-liddicoatite Ca(Li2Al)Al6Si6O18(BO3)3(OH)3F Fluor-schorl NaFe2+ 3 Al6Si6O18(BO3)3(OH)3F...Al6Si6O18(BO3)3(OH)3F Fluor-tsilaisite NaMn2+ 3 Al6Si6O18(BO3)3(OH)3F Fluor-uvite CaMg3(Al5Mg)Si6O18(BO3)3(OH)3F |  | Ertl, Andreas, Kolitsch, Uwe, Dyar, M. Darby, Meyer, Hans-Peter, Rossman, George R., Henry, Darrell J., Prem, Markus, Ludwig, Thomas, Nasdala, Lutz, Lengauer, Christian L., Tillmanns, Ekkehart, Niedermayr, Gerhard (2016) Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. European Journal of Mineralogy, 28 (1) 163-177 doi:10.1127/ejm/2015/0027-2501 | Journal (article/letter/editorial) | | Article Special issue dedicated to Thomas Armbruster Fluor-schorl, a new member of the tourmaline supergroup...Holyoke College, South Hadley, Massachusetts 01075, USA 4 Institut für Geowissenschaften, Universität Heidelberg...of Technology, Pasadena, California 91125–2500, USA 6 Department of Geology and Geophysics, Louisiana...University, Baton Rouge, Louisiana 70803, USA Abstract: Fluor-schorl, NaFe2+3Al6Si6O18(BO3)3(OH)3F, is...to Sachsenklemme), Trentino, South Tyrol, Italy. Fluor-schorl was formed as a pneumatolytic phase and in |  | Andreozzi, Giovanni B., Bosi, Ferdinando, Celata, Beatrice, Capizzi, Luca S., Stagno, Vincenzo, Beckett-Brown, Christopher E. (2020) Crystal-chemical behavior of Fe2+ in tourmaline dictated by structural stability: insights from a schorl with formula NaY(Fe2+2Al)Z(Al5Fe2+)(Si6O18)(BO3)3(OH)3(OH,F) from Seagull batholith (Yukon Territory, Canada). Physics and Chemistry of Minerals, 47 (6). doi:10.1007/s00269-020-01094-7 | Journal (article/letter/editorial) | | investigated by SREF thus far, even richer than the fluor-schorl from Steinberg, Germany, for which F eOtot...temperature for schorl, dravite, Fe-bearing oxy-dravite, lucchesiite and Fe-rich fluor-elbaite by Filip et...partial disorder of Mg over Y and Z for dravite and fluor-dravite, as well as the failure in synthesizing...Mossbauer and structural parameters in elbaite-schorl-dravite tourmalines. Am Mineral 93:658–666 Berryman EJ...(2016a) Thermal stability of extended clusters in dravite: a combined EMP, SREF and FTIR study. Phys Chem |  | Watenphul, Anke, Schlüter, Jochen, Bosi, Ferdinando, Skogby, Henrik, Malcherek, Thomas, Mihailova, Boriana (2016) Influence of the octahedral cationic-site occupancies on the framework vibrations of Li-free tourmalines, with implications for estimating temperature and oxygen fugacity in host rocks. American Mineralogist, 101 (11) 2554-2563 doi:10.2138/am-2016-5820 | Journal (article/letter/editorial) | | end-members are common, including dravite– schorl, schorl–elbaite, dravite–uvite, fluor-buergerite–schorl, 2554... (Color online.) povondraite–bosiite–oxy-dravite–dravite (e.g., Donney and Barton 1972; Bloodaxe et...particular Li-rich tourmalines such as elbaite or fluor-liddicoatite can be immediately distinguished from...from Mg- and Fe-dominant species, 2555 e.g., dravite and schorl, by the shape of the OH-stretching modes...(Watenphul et al. 2016) or magnesio-foitite vs. dravite and uvite (Berryman et al. 2015). Alkali/calcic |  | 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) | | Magazine, February 2015, Vol. 79(1), pp. 89–101 Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, a new...2014; Associate Editor: S. Krivovichev] ABSTRACT Fluor-tsilaisite, NaMn3Al6(Si6O18)(BO3)3(OH)3F, is a new...lustre, sub-conchoidal fracture and white streak. Fluor-tsilaisite has a Mohs hardness of ~7 and a calculated...very pale greenish yellow), uniaxial negative. Fluor-tsilaisite is rhombohedral, space group R3m, a =...largest Mn content found in tourmaline so far. Fluor-tsilaisite is related to tsilaisite through the |  | Bosi, Ferdinando, Skogby, Henrik, Ciriotti, Marco E., Gadas, Petr, Novák, Milan, Cempírek, Jan, Všianský, Dalibor, Filip, Jan (2017) Lucchesiite, CaFe2+3Al6(Si6O18)(BO3)3(OH)3O, a new mineral species of the tourmaline supergroup. Mineralogical Magazine, 81 (1) 1-14 doi:10.1180/minmag.2016.080.067 | Journal (article/letter/editorial) | | oxy-species, two are hydroxy-species and four are fluor-species (Table 1). A formal description of the new...Oxy-species Oxy-chromium-dravite Oxy-dravite Oxy-schorl Oxy-vanadium-dravitea Vanadio-oxy-dravite Vanadio-oxy-chromium-dravite...Vanadio-oxy-chromium-dravite Chromo-alumino-povondraite Darrellhenryite Maruyamaite Bosiite Lucchesiite Hydroxy-species...Tsilaisite Adachiite Fluor-species Fluor-dravite Fluor-schorl Fluor-elbaite Fluor-tsilaisite a Formula...‘vanadium-dravite’. 2 LUCCHESIITE, A NEW MINERAL SPECIES OF TOURMALINE labelled it ‘fluor-feruvite |  | Henry, D. J., Novak, M., Hawthorne, F. C., Ertl, A., Dutrow, B. L., Uher, P., Pezzotta, F. (2011) Nomenclature of the tourmaline-supergroup minerals. American Mineralogist, 96 (5) 895-913 doi:10.2138/am.2011.3636 | Journal (article/letter/editorial) | | reference root composition for that root name: e.g., dravite. (2) For a tourmaline composition that has most...the root name plus prefix modifiers, e.g., fluor-dravite. (3) If there are multiple prefixes, they should...in the structural formula, e.g., “potassium-fluor-dravite.” Keywords: Tourmaline, mineral chemistry, nomenclature...In the case of two-site coupled substitution, dravite can be transformed to uvite by the substitution...Appendix 1 for more details). For example, the dravite end-member [NaMg3Al6(Si6O18) (BO3)3(OH)3OH] is |  | 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) | | (Al5Mg)(BO3)3(Si6O18)(OH)3O, is related to oxy-dravite: ideally Na(MgAl2)(Al5Mg)(BO3)3(Si6O18) (OH)3O...and the rim compositions correspond to K-bearing dravite or oxydravite). Microdiamond inclusions occur only...K(MgAl2)(Al5Mg)(BO3)3(Si6O18) (OH)3O, is the K analog of oxy-dravite, ideally Na(MgAl2)(Al5Mg) (BO3)3(Si6O18)(OH)3O...and Ogasawara 2013), and both K-tourmaline and dravite are likely to be unstable at peak metamorphic conditions...Lucchesi, S. (2004) Crystal chemistry of the schorl-dravite series. European Journal of Mineralogy, 16, 335–344 |  | | Journal (article/letter/editorial) | | State University, Baton Rouge, Louisiana 70803, USA Horst R. MARSCHALL¶ Department of Earth Sciences...Oceanographic Institution, Woods Hole, Massachusetts 02543, USA. E-mail address: hmarschall@whoi.edu 2 the canadian...transitions are shown for reference. Data are for: 1) dravite: Robbins & Yoder (1962), 2) magnesio-foitite: Werding...(1984), 3) schorl: Holtz & Johannes (1991), 4) dravite: Krosse (1995), 5) Na-free Mg system: von Goerne...8) natural tourmaline: Spicer et al. (2004), 9) dravite: Ota et al. (2008). 4 the canadian mineralogist |  | | Journal (article/letter/editorial) | | end-member compositions [dravite NaMg 3Al 6Si 6O 18(BO 3) 3(OH) 3OH, K-dravite KMg3Al6Si6O18(BO3)3(OH)3OH...derivatives (K0ʹ = ∂K0/∂P)T: dravite K0 = 97(6), K0ʹ = 5.0(5); K-dravite K0 = 109(4), K0ʹ = 4.3(2); oxy-uvite...Tourmaline equation of state parameters Dravite K-dravite Oxy-uvite Magnesio-foitite Olenite K0 (GPa)...1568(2) 1485(3) This study Natural tourmaline Dravite 110(3) 4.6(8) 1578.2(2) 112(1) [4] 1578.2(2) O’Bannon...Elbaite-schorl 117 a 1568 a Schorl-dravite 116 1578 a Schorl-dravite 118 1578 a Schorl 120 1553 Tatli and |  | Pautov, L. A., Popov, M. P., Erokhin, Yu. V., Khiller, V. V., Karpenko, V. Yu. (2013) Mariinskite, BeCr2O4, a new mineral, chromium analog of chrysoberyl. Geology of Ore Deposits, 55 (8) 648-662 doi:10.1134/s1075701513080096 | Journal (article/letter/editorial) | | Sretensky (Sverd lov). (4) Cheremshansky; (5) Khitny Mine (Krasnoarmeisky); (12) settlement. culation of...Sretensky Mine was commissioned. In 1832, Troitsky Mine was founded 4 km north of the first mine, and in...the Mariinsky deposit, located 8.5 km north of the Sretensky Mine, was dis covered. Archival materials... The spec imen came from level +60 m, Southern Mine, Mari insky deposit. Fersman (1926) was the first...chromite grains in actinolite from the Troitsky Mine. Chromite from the Emerald Mines was also described |  | | Journal (article/letter/editorial) | | pegmatite, which had Ca at the time of emplacement. ‘Fluor-liddicoatite’ occurs in pockets from the core zones...Al6(Si5.89Al0.11)∑6.0 O18(BO3)3 (OH3.27F0.73)∑4.0. ‘Fluor-liddicoatite’ formed because Ca conservation and...(Al) (NaR2+)-1 took place. Hydrothermal fluor-dravite from the metasomatized chlorite phyllite adjacent...granitic pegmatite group, metasomatized host rock, dravite, Naipa, Mozambique Introduction Tourmalines from...Li-Cs-Ta granitic pegmatite group, Mozambique, and dravite (-Mg-rich schorl) from the chlorite phyllite adjacent |  | | Report (chapter) | | experimentally shown the stability of tourmaline (dravite) at UHP conditions along with other 15 boron-bearing...exhumation during progressive rise of the Himalaya from north to the south since A 45 Ma (Jain 2014, and references...high-grade metamorphosed Puga Formation to the north (e.g. Rao & Rai 2006 and references therein). Taglang...ED the highest B content in tourmaline II and dravite. The average crystal-chemical formula of tourmaline...solid solution along magnesio-foitite and ED NH4 dravite join. The general formula of such tourmaline with |  | | Journal (article/letter/editorial) | | compositions. All tourmalines are close to the dravite endmember and belong to the alkali group. The type-I...XSeries ICP-MS (Thermo Fisher Scientific, Waltham, MA, USA) fitted with a 343 nm femtosecond laser ablation...system (J-100, Applied Spectra, West Sacramento, CA, USA). Helium gas carrying the ablated sample aerosol...system (J-100, Applied Spectra, West Sacramento, CA, USA) at the National Research Center for Geoanalysis...anion proportions, type-I tourmalines are oxy-, fluor-, and hydroxyspecies, whereas type-II samples belong |  | | Book (edition) | | MINE andtheir LOCALITIES JAN H. BERNARD AND JAROSLAV HYRSL INERALS DESCRIBED SINCE 2004 MINERALS...dist., China Fluomatromicrolite, x 25111111, Naipa mine, Mozambique Daliranite, 5111111, Zarshouran Au-As...Domafov, Czech Rep. Juangodoyite, 60111111, Santa Rosa mine, Chile Back cover photo: Ho/fertile on hematite...piment pseudomo,phs after realga,; 75 mm, Palomo mine, Pen, Page 3: Stepite on arsenic, 45 111111,Jachymov...will be difficult to distinguish fluor-elbaite from elbaite, fluor-schorl from schorl etc. Minerals published |
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Crabtree Mine, Spruce Pine, Mitchell County, North Carolina, USA