 | | Journal (article/letter/editorial) | | . 7, PP. 307–312 A complexly zoned slice of fluor-liddicoatite cut parallel to (001), from Anjanabonoina...Vanadium-dravite Fluor-dravite Fluor-schorl Elbaite Povondraite Chromo-alumino-povondraite Fluor-buergerite...(OH) 3 (OH) (OH) (OH) Calcic Group Fluor-uvite Feruvite Uvite Fluor-liddicoatite Vacancy Group Foitite... (Mg 2 Al) Al6 (Si6O18 ) (BO3 ) 3 (OH) 3 (OH); fluor-dravite: Na Mg3 Al6 (Si6O18 ) (BO3) 3 V (OH) 3 WF...hydroxy-, fluor-, and oxy- species, defi ned as follows: hydroxyl- if OH + F ≥ O2- and OH ≥ F; fluor- if OH |  | | Journal (article/letter/editorial) | | 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...Al6Si6O18(BO3)3(OH)3OH Tsilaisite NaMn2+ 3 Al6Si6O18(BO3)3(OH)3OH Uvite CaMg3(Al5Mg)Si6O18(BO3)3(OH)3OH Vanadio-oxy-chromium-dravite...respect to . In this regard, the case of fluor-dravite (an oxy-free species) nicely illustrates |  | | Journal (article/letter/editorial) | | as the dominant cation at the Z site. In uvite, fluor-uvite, feruvite, povondraite and chromo-alumino-povondraite...is occupied by an OH– anion with an exception of fluor-buergerite and (the hypothetical endmember) olenite...and Li content in schorl–dravite and “buergerite”–fluor-buergerite series is distinctly lower than in elbaitic...largest distortion to Mg tourmalines (dravite, uvite) with the smallest distortion. Therefore, the smallest...function of the Al content. “Buergerite” samples (fluor-buergerite, buergerite) display the lowest O1–Y–O3/O2–Y–O6 |  | | Journal (issue) | | which is characteristic for tourmalines of the uvite-dravite solid solution series. Content of Na increases...second generation started with calcium-rich fluor-uvite and was followed step-by-step by a more sodium-rich...emeralds from Colombia and rubies from Mong Hsu, Myanmar (Nassau and Jackson, 1970a,b; Schmetzer et al....variation of chemical composition within the dravite-uvite solid solution series. In general, the sections...members of the tourmaline group, dravite and fluor-uvite, the following formulae are given: Dravite: |  | | Journal (issue) | | specimens from a major contemporary collection of Myanmar minerals (see later) contributes significantly...Stone Tract. 14 General Prospect The Union of Myanmar—called Burma until 1989—has an area of 676,577...democratization has been under way since 1990. Ethnically, Myanmar is highly heterogeneous, with more than 130 ethnic...55' 13" N, 96 30' 15" E, close to the center of Myanmar and 205 kilometers by road northeast of the much...been exhausted by then, and partly because the Myanmar government relocated large numbers of workers to |  | Kutzschbach, Martin, Wunder, Bernd, Rhede, Dieter, Koch-Müller, Monika, Ertl, Andreas, Giester, Gerald, Heinrich, Wilhelm, Franz, Gerhard (2016) Special Collection: Advances in Ultrahigh-Pressure Metamorphism: Tetrahedral boron in natural and synthetic HP/UHP tourmaline: Evidence from Raman spectroscopy, EMPA, and single-crystal XRD. American Mineralogist, 101 (1) 93-104 doi:10.2138/am-2016-5341 | Journal (article/letter/editorial) | | Investigation of synthetic K-dravite, dravite, oxy-uvite, and magnesio foitite using SREF and Raman spectroscopy...olenite from “mushroom” tourmaline from Momeik, Myanmar. Canadian Mineralogist, 45, 891–899. Ertl, A.,...infrared study of hydroxyl sites in natural uvite, fluor-uvite, magnesio-foitite, dravite and elbaite tourmalines |  | | Journal (issue) | | tourmaline such as the vivid greens of dravite, uvite, chromium-dravite, and vanadium-dravite; the pinks...of elbaite and rossmanite; and the multicolored fluor-liddicoatite. To date, simple gemological tests...gem-quality tourmaline (although the type specimen is fluor-liddicoatite). 2 GEMS & GEMOLOGY ourmaline has...Nicholas Scott Golden. Photo by Orasa Weldon. Gem uvite is also known, commonly in shades of green, yellow...(BO3)3 **S1–3 S1– Dravite Fluor-dravite Schorl Fluor-schorl Tsilaisite Fluor-tsilaisite Chromium-dravite |  | | Journal (issue) | | quality of a specific gemstone (e.g., ruby from Myanmar). This may or may not still hold true, but as with...Southeast Asia and Mozambique (SRK Consulting, 2015). Myanmar, with the Mogok Stone Tract, has produced “pigeon’s...finest blue sapphire comes from Kashmir (Sumjam), Myanmar, Sri Lanka (figure 1), and Madagascar. Sri Lanka...Madagascar, Ratnapura in Sri Lanka, and Mogok in Myanmar. The magmatic sapphires are from the placers of...Ruyil), Pakistan (Hunza Valley and Nangimali), Myanmar (Mogok and Mong Hsu), and Vietnam (Luc Yen, Quy |  | | Journal (issue) | | Dyed blue opal with play-ofcolor • Gem news from Myanmar • Conference reports 78 Book Reviews/Gemological...(figure 14). Lapis lazuli is known to occur in Myanmar, and this geologic overlap could provide an explanation...rubies he collected from Namya (or Nanyaseik), Myanmar, in December 2002. Analysis of a sample purchased...1.40 ct ruby, collected a decade ago in Namya, Myanmar, consist of lazurite-filled negative crystals similar...from the Argyle Mine Hackmanite/Sodalite from Myanmar and Afghanistan Pink Color Surrounding Growth Tubes |  | | Journal (issue) | | to be similar to Mogok area NYF pegmatites in Myanmar, across the border to the west, about 250 kilometers...Piteia, Mirrucue, Namirrapo, and Gelo pegmatites. Myanmar Mogok Stone Tract, Pyin-Oo-Lwin district, Mandalay...the 2006 find at Sakhan-gyi, Mogok, Myanmar. The pegmatites of Myanmar are known for such exceptional crystal...Tract around the city of Mogok in north-central Myanmar is a classic locality for many gem species (Themelis...is about 250 kilometers northeast of Mogok in Myanmar, is poorly documented, but the geology and the |  | | Book (edition) | | will be difficult to distinguish fluor-elbaite from elbaite, fluor-schorl from schorl etc. Minerals published...61(4). From Tawmaw, Hpakan region, Kachin State, Myanmar. IMA 2012-080. MM 77, 10, 2013. Faizievite K2 Li...Djebilet Mts., Morocco. AM 91, 2012. 1249-1270, 2006. Fluor-dravite NaMg 3AllFl(OH) 3l(B0 3) 31Si6O1J Fluorbritholite-(Y)...D(calc.) = 4.61, D(meas.) = 4.15. No,e = 1.784, Fluor-elbaite Na(LiuAlu)Al 6 (Fl(OH) 3 l(BO3) 3 1Si6O1]...Brazil. Probably very common, other localities Fluor-buergerite renamed, former j buergerite. Fluorcalciobritholite |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Eckhardite...132 (1970), 241 Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 A 2+ ...285 Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Jahrbuch für Mineralogie Abhandlungen 188 (2011), 191 Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Dzhuluite...132 (1970), 241 Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | (1852), 519 CNMNC Newsletter 47 - Mineralogical Myanmar Magazine 83 (2019), 143; European Journal of Mineralogy...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Eckhardite...Kristallographie 132 (1970), 241 Rn 2012-080 Myanmar European Journal of Mineralogy 26 (2014), 257...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Dzhuluite...285 Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Jahrbuch für Mineralogie Abhandlungen 188 (2011), 191 Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 2+ 6+...241 Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 American...285 Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 1936 1877...132 (1970), 241 Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Canadian...Jahrbuch für Mineralogie Abhandlungen 188 (2011), 191 Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | 2017-003 Japan 2002-022 USA 1966-031 USA 2018-109 Myanmar Canadian Mineralogist 48 (2010), 1 Acta Crystallographica...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 2+ 6+...285 Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Eckhardite...285 Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Jahrbuch für Mineralogie Abhandlungen 188 (2011), 191 Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite NaAl4(Be5Li)(Si6O18)2(H2O)1-2 Rd 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Eckhardite...Germany Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Fabritzite Zn9(SO4)2(OH)12Cl2·6H2O A 2020-040...Jahrbuch für Mineralogie Abhandlungen 188 (2011), 191 Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite NaAl4(Be5Li)(Si6O18)2(H2O)1-2 Rd 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Eckhardite...Germany Fabrièsite Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Fabritzite Zn9(SO4)2(OH)12Cl2·6H2O A 2020-040...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | (1852), 519 CNMNC Newsletter 47 - Mineralogical Myanmar Magazine 83 (2019), 143; European Journal of Mineralogy...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 Eckhardite...132 (1970), 241 Na3Al3Si3O12·2H2O Rn 2012-080 Myanmar Faheyite Be2Mn2+Fe3+2(PO4)4·6H2O G Fahleite...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...(2019), 823 Canadian Mineralogist 53 (2015), 325 Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |  | | Catalog/List | | Avdeevite (Na,Cs)(Be2Li)Al2(Si6O18) A 2018-109 Myanmar Avdoninite K2Cu5Cl8(OH)4·2H2O A 2005-046a Russia...Eckermannite NaNa2(Mg4Al)Si8O22(OH)2 A 2013-136 Myanmar American Mineralogist 100 (2015), 909 2+ 6+...Kristallographie 132 (1970), 241 Rn 2012-080 Myanmar European Journal of Mineralogy 26 (2014), 257...Fluorbritholite-(Y) (Y,Ca)5(SiO4)3F A 2009-005 Norway Fluor-buergerite NaFe3+3Al6(Si6O18)(BO3)3O3F Rd 1965-005...Fluorchegemite Ca7(SiO4)3F2 A 2011-112 Russia Fluor-dravite NaMg3Al6(Si6O18)(BO3)3(OH)3F A 2009-089 |
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Myanmar