 | Grew, Edward S., McGee, James J., Yates, Martin G., Peacor, Donald R., Rouse, Roland C., Huijsmanns, Joep P. P., Shearer, Charles K., Wiedenbeck, Michael, Thost, Douglas E., Su, Shu-Chun (1998) Boralsilite (Al16B6Si2O37); a new mineral related to sillimanite from pegmatites in granulite-facies rocks. American Mineralogist, 83 (5) 638-651 doi:10.2138/am-1998-5-624 | Journal (article/letter/editorial) | | eastAntarctica (type locality) and Almgjotheii in the contact aureole of the Rogaland Intrusive Complex, southwesternNorway...ite-grandidierite(Almgjotheii); (3) quartz-potassiumfeld* sillimanite (Almgjotheii). Boralsilite is estimated...351wt%owhere the numbersin bracketswere determined from Almgjotheii material. Howeve! the SIMS BrO. values appearto...composition of MgoorFeo,*Al,ruuBeo*Br56ssiro.ro3, for Almgjotheii appearsto result from solid solutionof boralsilite...Almgioth"iii" aureole of rhe Rogaland intrusive complex, ."oil;;;; Norway (58'33' N, 6'31' E), upgrade |  | | Journal (article/letter/editorial) | | • 7- Almgjotheii - en sjelden borosilikatpegmatitt i Rogaland Roy Kristiansen Introduksjon Almgjolheii...Almgjolheii, beliggende 12 km nord for Moi i Rogaland (58°33'20" N, 6°31'5" 0), er en avsidesliggende fjelilopp...fjelilopp, 587 moho Under geologisk kartlegging i Rogaland ble del oppdagel en pegmalitt med borsilikalene...i del prekambriske, polymelamorfe kompleksel i Rogaland, og den opplrer som en enhel i granatf0rende migmalill...synes a opplre ytlersl sjeldenl i bergartene i Rogaland. Del er imidlertid funnel lurmalin i Olledal lenger |  | Grew, Edward S., Armbruster, Thomas, Lazic, Biljana, Yates, Martin G., Medenbach, Olaf, Huijsmans, Joep P.P. (2011) Werdingite from a pegmatite at Almgjotheii, Rogaland, Norway: The role of iron in a borosilicate with a mullite-type structure. European Journal of Mineralogy, 23 (4) 577-589 doi:10.1127/0935-1221/2011/0023-2121 | Journal (article/letter/editorial) | | 2011 Werdingite from a pegmatite at Almgjotheii, Rogaland, Norway: The role of iron in a borosilicate...a pegmatite on Almgjotheii in the aureole of the Rogaland anorthosite complex, Norway was reported in...Key-words: boron, werdingite, boralsilite, mullite, Norway, electron microprobe, crystal structure, pegmatite...analogue of werdingite’’ reported from Almgjotheii, Rogaland, Norway (Grew et al., 1998b) could also be shown...We undertook a crystallographic study of the Almgjotheii werdingite intending to establish its identity |  | Grew, E. S., Graetsch, H. A., Poter, B., Yates, M. G., Buick, I., Bernhardt, H.-J., Schreyer, W., Werding, G., Carson, C. J., Clarke, G. L. (2008) Boralsilite, Al16B6Si2O37, and "boron-mullite:" Compositional variations and associated phases in experiment and nature. American Mineralogist, 93 (2) 283-299 doi:10.2138/am.2008.2571 | Journal (article/letter/editorial) | | Prydz Bay, East Antarctica, and at Almgotheii, Rogaland, Norway. Electron-microprobe analyses (including B)...Larsemann Hills is commonly associated with graphic tourmaline-quartz intergrowths, which could be the products...microprobe, Larsemann Hills, Antarctica, Almgjotheii, Norway Introduction The first anhydrous ternary...from Mount Stafford and in the pegmatite from Almgjotheii. Analytical methods The synthetic and natural...was found as a breakdown product of alkali-free tourmaline at 600–850 °C, 2–8 kbar (e.g., Fig. 3) in the |  | | Journal (article/letter/editorial) | | all mineral species new to science discovered in Norway during the period 2001 - 2016, a total of 32 species...University, Japan. 100 Almgjotheii, beliggende 12 km nord for Moi i Rogaland, er en avsidesliggende fjelltopp...fjelltopp, 587 m.o.h. Under geologisk kartlegging i Rogaland ble det oppdaget en pegmatitt med bor-silikatene...granodioritt, men Fe-rike grandidieritter var kjent fra Almgjotheii lengere tilbake (Huijsmans et al. 1982). Indikasjoner...Pegmatitten i Almgjotheii befinner seg i det prekambriske, polymetamorfiske komplekset i Rogaland, og den opptrer |  | Cempírek, Jan, Grew, Edward S., Kampf, Anthony R., Ma, Chi, Novák, Milan, Gadas, Petr, Škoda, Radek, Vašinová-Galiová, Michaela, Pezzotta, Federico, Groat, Lee A., Krivovichev, Sergey V. (2016) Vránaite, ideally Al16B4Si4O38, a new mineral related to boralsilite, Al16B6Si2O37, from the Manjaka pegmatite, Sahatany Valley, Madagascar. American Mineralogist, 101 (9) 2108-2117 doi:10.2138/am-2016-5686 | Journal (article/letter/editorial) | | the Larsemann Hills, Antarctica, and Almgjotheii, Rogaland, Norway (ion microprobe data, Grew et al. 1998)...closest approach being 100 mm (Fig. 3c). Zoned tourmaline 1 (elbaite to fluor-elbaite), zoned londonite-rhodizite...instead, boron is largely tied up in species of the tourmaline supergroup, and the Manjaka pegmatite is no excep-...in the Larsemann Hills, Antarctica, and Almgjotheii, Norway (Grew et al. 2008), Horní Bory, Czech Republic...pegmatites, although much less abundantly than tourmaline. In contrast, boralsilite is known only from |  | Novák, Milan, Cempírek, Jan, Gadas, Petr, Škoda, Radek, Vašinová Galiová, Michaela, Pezzotta, Federico, Groat, Lee A. (2015) Boralsilite and Li, Be-bearing "Boron Mullite" Al8B2Si2O19, Breakdown products of spodumene from the Manjaka pegmatite, Sahatany valley, Madagascar. The Canadian Mineralogist, 53 (2) 357-374 doi:10.3749/canmin.1400092 | Journal (article/letter/editorial) | | pegmatites (Larsemann Hills, Antarctica; Almgjotheii, Norway; and Horní Bory, Czech Republic). § Corresponding...) and hydrous (prismatine, dumortierite, and tourmaline; Grew et al. 1998a, 2008, Cempírek et al. 2010)...axinite-group minerals, Ca(Mg)-enriched primary tourmaline, and garnet, which testify to mass exchange and...phlogopite, tremolite, dolomite, quartz, and tourmaline (Ca-rich dravite to Na-rich uvite); accessory...thick) in which abundant dark brown to yellow tourmaline (uvite-dravite) and quartz are developed. The |  | | Journal (article/letter/editorial) | | Minerals of Norway - the (almost) complete inventory Gunnar Raade Preamble A monographic survey of the...the minerals of Norway (Norges Mineraler) was published by Neumann (1985), covering all minerals recorded...and synonyms. A large number of minerals new to Norway have been recorded since the book appeared. The...attempt to list all accepted mineral species from Norway, including those from Neumann (1985) and later...& Nickel 2001). Names of minerals discovered in Norway after the edition of Neumann's monograph are in |  | | Journal (volume) | | two tourmalines from Høydalen, Tørdal, Telemark, Norway 21 Alf Olav Larsen, Radek Škoda & Arne Åsheim... Telemark, Norway 33 Tomas Husdal & Uwe Kolitsch Behoite from Høgtuva, Nordland, Norway 39 Jörgen...minerals from the Kongsberg Silver Deposit, Buskerud, Norway 53 Lars Roger Størseth Kompleks sulfidmineralisering...Universitet i Oslo, Postboks 1172 Blindern, 0318 Oslo, Norway (a.b.mueller@nhm.uio.no) 2 Natural History Museum...that component. For example, crystallization of tourmaline- or Fbearing phases can result in melt that is |  | | Journal (article/letter/editorial) | | have also been reported from a pegmatite at Almgjotheii, Norway [X = Fe/(Fe + Mg) = 0.50–0.81, Huijsmans...144869 green-blue Grew et al. (1997) G9 Almgjotheii, Rogaland, Norway ESG Alm 8a medium blue Grew et al. (1998a)...Grew, E.S. (1996) Borosilicates (exclusive of tourmaline) and boron in rock-forming minerals in metamorphic...dumortierite and tourmaline from the Precambrian, high-grade metamorphic complex of Rogaland, S.W. Norway. Neues |  | | Journal (article/letter/editorial) | | plagioclase I + quartz I + muscovite + garnet III + tourmaline I + dumortierite I + chrysoberyl; (ii) Prograde...plagioclase II + kyanite + K-feldspar + staurolite + tourmaline II + dumortierite II; (iii) Retrograde metamorphic...veinlet; the most common accessory minerals include tourmaline, dumortierite, garnet, K-feldspar and kyanite...Composition of tourmaline is controlled by the two-stage evolution of the pegmatite. Primary tourmaline I from...crystallization of Mg-enriched, rather homogeneous tourmaline II. Strakoè and all other known pegmatites of |  | | Journal (article/letter/editorial) | | 3749/canmin.49.1.381 COMPOSITIONAL EVOLUTION OF TOURMALINE-SUPERGROUP MINERALS FROM GRANITIC PEGMATITES...granulite-facies metasedimentary units containing tourmaline, prismatine and grandidierite are cut by three...unusually enriched in B-rich phases, including tourmaline (schorl – dravite – foitite solid solutions)...grandidierite, werdingite, boralsilite and dumortierite. Tourmaline can be used to gain information about the crystallization...microstructural varieties of tourmaline have been recognized: 1) primary tourmaline in a graphic intergrowth |  | Hiroi, Yoshikuni, Grew, Edward S., Motoyoshi, Yoichi, Peacor, Donald R., Rouse, Roland C., Matsubara, Satoshi, Yokoyama, Kazumi, Miyawaki, Ritsuro, Mcgee, James J., Su, Shu-Chun, Hokada, Tomokazu, Furukawa, Noboru, Shibasaki, Hiroshi (2002) Ominelite, (Fe,Mg)Al3BSiO9 (Fe2+analogue of grandidierite), a new mineral from porphyritic granite in Japan. American Mineralogist, 87 (1) 160-170 doi:10.2138/am-2002-0117 | Journal (article/letter/editorial) | | Compositions with Fe2+ > Mg have been reported from Almgjotheii, Norway (XFe = 0.50–0.81, Huijsmans et al. 1982;...2b). Ominelite is often partially replaced by tourmaline. Alkali-feldspar, plagioclase, quartz, and sekaninaite...vapor phase; ominelite, dumortierite, and, later, tourmaline resulted from the reaction of boron-enriched...75(OH,F) for dumortierite, 3.0B and 4(OH,F) for tourmaline, 4(OH,F,Cl) for biotite and muscovite, and 1(F...Grew, E.S. (1996) Borosilicates (exclusive of tourmaline) and boron in rock-forming minerals in metamorphic |  | Cempirek, J., Novak, M., Dolnicek, Z., Kotkova, J., Skoda, R. (2010) Crystal chemistry and origin of grandidierite, ominelite, boralsilite, and werdingite from the Bory Granulite Massif, Czech Republic. American Mineralogist, 95 (10) 1533-1547 doi:10.2138/am.2010.3480 | Journal (article/letter/editorial) | | werdingite, dumortierite (locally Sb,Ti-rich), tourmaline, and corundum, along with the matrix minerals...zone of secondary tourmaline or is partially replaced by the assemblage tourmaline + corundum ± hercynite...Sb (≤0.46 apfu) and Ti (≤0.25 apfu). Secondary tourmaline (XFe = 0.44–0.75) of the schorlmagnesiofotite-foitite-olenite...Precambrian terrains [e.g., Madagascar, Antarctica, Norway, Canada; see review in Grew (1996)]. On the other...2008) and in abyssal pegmatites in Madagascar, Norway, and Antarctica (Grew et al. 1998b, 2008). Boralsilite |  | | Journal (article/letter/editorial) | | Material from both the Larsemann Hills and Almgjotheii, Rogaland, Norway, was studied, but neither diffraction...Werding, G. and Schreyer, W. (1984) Alkali-free tourmaline in the system MgOAl2O3-B2O3-SiO2-H2O. Geochimica |  | | Journal (issue) | | locality) and Almgjotheii in contact aureole of Rogaland intrusive complex, southwestern Norway, name is for...dazzling panoramasthe world of minerals and metals. Tourmaline mother lode, billion dollar copper discovery |  | | Journal (article/letter/editorial) | | the aureole at the Rogaland anorthosite complex at Almgjotheii, southwestern Norway (Grew et al., 1998b)...Grew, E.S. (1996): Borosilicates (exclusive of tourmaline) and boron in rock-forming minerals in metamorphic...Werding, G. & Schreyer, W. (1984): Alkali-free tourmaline in the system MgO - Al2 O3 - B2 O3 -SiO2 - H2 |  | | Report (volume) | | (Anovitz and Grew, Chapter 1) Tourmaline group. In addition to four new tourmaline species, a new classification...classification has been proposed. Another tourmaline, olenite, has been shown to contain substantial amounts...a finding that has revolutionized our view of tourmaline crystal chemistry (Werding and Schreyer, Chapter...IMA-approved and synthetic tourmaline species Chapter 11. Table 1, p. 561: Selected tourmaline-bearing tin +/- tungsten...replacements Chapter 11. Table 2, p. 569: Selected tourmaline-bearing breccia pipes and porphyry deposits Chapter |  | | Journal (issue) | | syenite pegma te at Virikkollen, Sande ord, Ves old, Norway Alf Olav Larsen, Radek Škoda, Knut Edvard Larsen...orthoclase and analcime from Tvedalen, Larvik, Ves old, Norway. Photograph of sample R070349 reproduced with permission...igneous province, and Neoproterozoic pegma tes in Norway. Beryllium minerals in the Archean eon (4000 to...KBe4Al4(B11Be)O28, pale yellow crystal with pink tourmaline (rubellite) from Manjaka, Sahatany Pegma te Field...associated with the Tys ord granite, 1742 Ma, Nordland, Norway (Husdal 2008, 2011) and Harney granite, Black Hills | | | Report (volume) | | IMA-approved and synthetic tourmaline species Chapter 11. Table 1, p. 561: Selected tourmaline-bearing tin +/- tungsten...veins, Chapter 11. Table 2, p. 569: Selected tourmaline-bearing skarns and replacements breccia pipes...Selected tourmaline-bearing vein deposits in metamorphic Chapter 11. Table 4,p.581: Selected tourmaline-bearing...granitic magmas: The importance of tourmaline...... 303 Stability of tourmaline at subsolidus conditions .................0.csceeeeeee ees 303 Reaction of tourmaline at the onset Of anatexis 0.0.5... .....0cds.ceesedsnesveee |  | | Journal (issue) | | recently include a fairly large find of anatase from Norway. There were a lot of good specimens available at...only a lot of rough pale pink morganite, black tourmaline, etc. I hear the area is quite dangerous, with...Quarry. Magnet Cove, Hot Spring County. 14-8: 1,4,5; Norway. 14-12:l .4 l\linernl News December l 998 Ancylitc•(Ln)...Boralsilite Antarctica. Larsemann Hills. 14-7: 10; Norway, Almgjotheii. 14-7: 10 Boumanite Cavnic. Rom:inia. 14-12:1...Cornwall. 14-6:1,4,5; Morgabal, France. 14-12:1,2,5 Tourmaline Colorado, Brown Derby pegmatite, Qunrtz Creek |  | | Journal (issue) | | spinel from Madagascar • Sphalerite in topaz • Tourmaline termination • Quarterly crystal: Axinite in quartz...are present as biotite granites, biotite and tourmaline leucogranites, veins of granitic pegmatites,...diorite, granite, skarn ORDOVICIAN Biotite and tourmaline leucogranite, granitic pegmatite CAMBRIAN Aleurolite...has been reported from New Zealand (Black, 1970), Norway (Krogh, 1975), Suriname (de Roever and Kieft, 1976)...also found in association with serendibite and tourmaline in anatectic gneiss near Ihosy (Nicollet, 1990) |  | | Journal (issue) | | were the amazing anatase crystals from Valdres, Norway. Instead of being on quartz crystals The M ineralogical...of rare mineral photographs that goes beyond tourmaline, wulfenite and other easily recognizable species...locality) and (2) Almgjotheii in the aureole of the Rogaland intrusive complex, southwestern Norway (Lat. 58°33'...Kabeljauwallee 23 6865 BL Doorwerth (Gld) Norway & Sweden Geir Wiik N-2740 Roa Norway South Africa Horst Windisch 30...assembled.” Video Review: Nov/Dec ‘92 Namibia Tourmaline • 6.9 cts/4.1 cm xl 912 South Live Oak Park |  | | Journal (volume) | | and 80°C, the electric dipole moment of Fe-Mg tourmaline decreases with the increase of Fe content. By...dipole moment of Fe-Mg tourmaline. The pyroelectric coefficient of tourmaline decreases with the increasing...inferred that the pyroelectric coefficient of tourmaline also decreases with the increasing of Fe content...Accessory minerals include beryl, chrysoberyl, tourmaline, corundum, apatite, fluorite, relict chromium...Incorporation of iron and chromium in pegmatitic tourmaline Bordage, A.1*, Rossano, S.1, Fuchs, Y.1 & Horn |  | | Book (edition) | | complicated compositions, e.g. the amphibole, mica, tourmaline, labuntsovite, eudialyte, and several other groups:...752. 8.85.5.85.Z = 4. d: 4.1(7)- 3.16(10)- 259(7) Norway, abundant at Norra Karr, Jonkoping prov., - 233(7)...Stavem, and Tvedalen, all Langesundsfjord, Vestfold, Norway, and at Narssarssuk and at Naujakasik, Ilimaussaq... Ontario, at Urstacl, Hittero Is., Vest-Agder, Norway, and in some greisens and carbonatites. At the...U-Th-REE pegmatites on Hittero Is., Vest-Agder, Norway. In the Trout Creek Pass pegmatites, Chaffee co |
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