 | | Journal (article/letter/editorial) | | pegmatites of the Viborg rapakivi granite massif, SE Finland, with special attention to the green gem beryl...the rapakivi granite of the Viborg massif in SE Finland has been known for miaro/itic pegmatites, some...of them producing excellent smoky quartz, fine topaz and since 1984 world class gem hel/odore crystals...Kannatsalo, Kiwijarvi, near Luumaki, Karel/a, Finland. The well zoned, highly fractionated REE pegmatite...Viborg rapakivi granite covers large areas of SE Finland and consists of several varieties of granite. Rapakivi |  | | Book | | Painopaikka | Printing house: Lönnberg Print & Promo, Finland ISBN 978-952-217-253-2 (sid.) ISBN 978-952-217-254-9...Geological Survey of Finland Espoo 2017 SUOMEN KORUKIVET Gemstones of Finland Kari A. Kinnunen Risto... In addition, the rock types commonly used in Finland as gemstones, are now documented in detail. Photography...demonstrate that more gemstones are known from Finland than from other Nordic countries.The great activity.... . . . . . . . . . . . . . . . . 31 Western Finland 215 Beauty is born from shape . . . . . . . |  | | Journal (article/letter/editorial) | | beryl, topaz, and tourmalines in pegmatites. Muscovite itself alters to illite and kaolinite (Fleet 2003)...muscovite with albite, 2.8 cm high, from the Strickland quarry, Portland, Middlesex County, Connecticut. This...Newry (King and Foord 1994). The Black Mountain quarry, Rumford, Oxford County, was one of the biggest...fine transparent, gold-brown color. The BB No. 7 quarry in Norway, also in Oxford County, has produced...and quartz. In nearby New Hampshire, the Chandler quarry, Chatham, Carroll County, has provided some excellent |  | | Journal (article/letter/editorial) | | City, UT 84112. ENVIRONMENT OF CRYSTALLIZATION OF TOPAZ AS INFERRED FROM CRYSTAL CHEMISTRY AND INFRARED... Box 25046, Federal Center, Denver, CO 80225. Topaz, Al2Si0,(F,OH),, is usually found as a vapor-phase...ongonites* and some rhyolites. Compositions of 65 topaz samples (8 R-type, 40 P-type, 17 H-type) are distinctly...wt. Yo) for 7 R-type topaz samples ranged from 0.06 to 0.11; for 40 P-type topaz samples, from 0.20 to...to 0.91; and for 17 H-type topaz samples, from 1.69 to 2.67. Fluorine content is inversely related to |  | Bettencourt, Jorge S., Leite Jr., Washington B., Goraieb, Claudio L., Sparrenberger, Irena, Bello, Rosa M.S., Payolla, Bruno L. (2005) Sn-polymetallic greisen-type deposits associated with late-stage rapakivi granites, Brazil: fluid inclusion and stable isotope characteristics. Lithos, 80 (1) 363-386 doi:10.1016/j.lithos.2004.03.060 | Journal (article/letter/editorial) | | alkali-feldspar granites. These granites contain topaz and/or muscovite or zinnwaldite and have geochemical...characteristics comparable to the low-P sub-type topaz-bearing granites. Stockworks and veins are common...characterizes the late-barren-quartz, muscovite and kaolinite veins. Oxygen isotope thermometry coupled with...granite, biotite–muscovite granite, microgranite, topaz–muscovite–albite granite, and layered marginal pegmatite...evolved topaz–muscovite–albite syenogranites and alkali feldspar granites. The tin-bearing topaz–muscovite–albite |  | | Journal (article/letter/editorial) | | miarolitic gem beryl from the Luumäki pegmatite, SE Finland Radoslaw Markus MICHALLIK1,*, Thomas WAGNER2, Osmo...Helsinki, Gustaf Hällströmin katu 2a, 00014 Helsinki, Finland *Corresponding author, e-mail: radoslaw.michallik@helsinki...pockets from the 1628 Ma Luumäki pegmatite in SE Finland contain gem-quality beryl (heliodor) within a matrix...hematite, biotite, muscovite, chlorite, quartz, kaolinite, and bertrandite. Two different types of gem-beryl-bearing...miarolitic pockets; fluid saturation; rapakivi granite; Finland. 1. Introduction The formation of large crystals |  | | Journal (article/letter/editorial) | | OF ADELAIDE LIBRARIES] at 21:12 11 October 2017 Topaz W in New Hampshire’s DONALD DALLAIRE 829 Candia...phosphate@gmail.com W hen one thinks of the mineral topaz, the first specimens that likely come to mind are...the world. New Hampshire, however, has produced topaz crystals for more than 125 years and is often overlooked...Figure 2. Topaz, 2.8 cm tall, on kaolinite, Government pit. The topaz is embedded in kaolinite and would...Neumeier. 302 3 South Baldface 93 302 Redstone Quarry Bartlett Lincoln Huntington Mountain Moat Mountain |  | | Journal (article/letter/editorial) | | February 2014 Article Hydrothermal corundum, topaz, diaspore and alunite supergroup minerals in the...ldspar-, corundum-quartz-, and quartz-diaspore-topaz-APS minerals-pyrophyllite-sericite bearing assemblages... The disequilibrium assemblage quartz+diaspore+topaz (± pyrophyllite sericite) formed between 285...vapors released from the porphyries. The presence of topaz reflects the presence of fluorine in the fluid....level lithocaps include natroalunite/alunite-kaolinite/dickite-pyrite bearing assemblages of both replacement- |  | | Journal (article/letter/editorial) | | Spain, Canada, Poland, Rumania, the USSR, the USA, Finland, France and the FRG, to mention a few. The papers...Programs for Secondary Schools 40c 34—April 1934. Topaz in the Tarryall Mts. of Colorado 35c 65—Dec. 1936...217—July - Aug., 1950. World's largest sandstone quarry 60c 233—Mar. - April 1953. Rocks, minerals and...Kong 60c 246—May - June, 1955. New discovery of topaz xls In N.H 60c 251—March - April, 1956. Oklahoma...Barkevikite Dun i t * Dacite Aplite Dolomite Graphite *Kaolinite Actinolite *Glauconite (Sand) Mica Schist Labradorite |  | | Report (issue) | | Mining has ancient traditions in Scandinavia and Finland. In Bergslagen, Sweden, numerous mines produced...mined from 1644 until recently. The first mine in Finland was the Ojamo iron ore deposit, which was opened...Norway and Pt-mineralization in the Kemi area, Finland have not led to any significant mining but have...any other geological problem in Scandinavia and Finland. It is therefore of special interest for the Nordic...is arranged by the Geological Surveys of Sweden Finland and Norway and the Luleå University of Technology |  | | Journal (article/letter/editorial) | | provinces around the world [20,21]. They are often topaz-bearing, enriched in incompatible elements such...rock varieties can contain substantial part of topaz (up to 10%), but its presence and distribution is...secondary phases, specifically clay minerals (kaolinite group minerals, smectites) and/or locally enriched...study was obtained from normal production of the quarry. The experimental material was magnetically separated...pile whose production from different parts of the quarry is deposited during 7–10 days). The input material |  | | Journal (article/letter/editorial) | | samples taken in the Kaustinen Li province, western Finland, were analyzed and four new spodumene pegmatites...Nb/Ta, Sn, REE, Th, and Zr as well as garnet and topaz. Placer deposits of economic grade genetically related...them are mined especially for gemstone such as topaz, chrysoberyl, apatite and beryl (only in eluvial...position, because of the increasing amount of kaolinite-group phyllosilicates found in the argillitization...assemblage which is dominated by kaolinite-group minerals (kaolinite, halloysite) granites and pegmatites |  | | Journal (article/letter/editorial) | | particular interest, present in the normal granite, are topaz, andalusite, and cordierite, all of which are commonly...is often readily visible in the hand specimen. Topaz is of wide distribution, and is of interest on account...localities, where topaz specially occurs in the granite, may be mentioned Dyer's quarry, north-west of Meledor...specially studied in the granite from Golden Point Quarry. That of Gready, also, is remarkable for its fresh...boron- and fluorine-bearing eases. The occurrence of topaz shows the presence of fluorine, and this substance |  | | Journal (article/letter/editorial) | | quartz* (smoky, crystals), titanite (microcrystals), topaz* (crystals, sherry and pink), zircon (microcrystals)...Nature specimen, Jeff Scovil photo. Figure 6. Topaz on microcline, 4 mm across, North Conway, Carroll...(green byssolite), fluorite, helvite, hematite, kaolinite, magnetite (crystals), microcline* (crystals,...amethystine, scepters), stolzite (microcrystals), topaz (crystals), uraninite, wulfenite (Hollmann 1987;...veins with cavities; several areas worked for gem topaz since 1888: albite (crystals), beryl (aquamarine |  | | Report (issue) | | . . . . . . 18 Alteration of the Yellow Jacket quarry area . . . . . . . . . . . 22 Table Table Table...mineral assemblage, typically contains alunite + kaolinite + quartz ± pyrite ± sulfur. In some cases the...alteration often contains alunite + quartz ± kaolinite ± sulfur. Examples of this type are ubiquitous...alteration assemblage typically consists of 3 kaolinite ± quartz ± alunite which is superficially similar...to minor base and precious metals. Alunite and kaolinite are associated with many of the mineralized systems |  | | Journal (article/letter/editorial) | | May/June 2012 279 Rex, R. W. 1964. Authigenic kaolinite and mica as evidence for phase equilibria at low...originally described as a new mineral from the De-Mix quarry, Mont Sainte-Hilaire, Rouville County, Quebec....Second U.S. Location for Väyrynenite—The estes quarry, west baldwin, maine, and new data on Väyrynenite...described from the Viitaniemi pegmatite in central Finland (Volborth 1954) and has since been found in a small...te, microcline, muscovite, tourmaline, quartz, topaz, and cassiterite. Recently, väyrynenite has been |  | | Journal (article/letter/editorial) | | Paleoproterozoie Kutemajarvi GoldTellurideDeposit,Southwest Finland M. POUTIAINEN AND P. GB(SNHOLM Department of...University of Helsinki, P.O.Box11, HelsinkiFIN-00014,Finland Abstract The Kutemajarvi goldtelluridedeposit...located about200kmnorthof Helsinkiin southwestern Finland. It occurs in thecontinental islandarc-type Paleoproterozoie...Arehean andProterozoie golddeposits in Finland(Bornhorst FINLAND hasa shorthistory of goldexploration compared...metavolcanic rocks. Themajorshearzone of southwestern Finland(modified afterK'fihkfnen et al.,1994,fig.1).A -of |  | | Journal (article/letter/editorial) | | muscovite, pyrophyllite, donbassite, tosudite, kaolinite which are observed as vein deposits ( < 10 mm...assemblage is replaced by a metasomatic one. Secondary topaz and Correspondence to." T. Merceron (F, Li)-rich...to form phengite-biotite, chlorite-illite and kaolinite over a range of 300 to 150~ C. Illite/smectite...et al. 1988) but alteration processes of albite-topaz granitic cupolas in shallow crustal environments...part of the Colettes intrusion in the Beauvoir quarry where kaolin is produced. These two granitic bodies |  | | Journal (volume) | | Geological Survey of Finland Bulletin 314 On the granitic pegmatites of the Eräjärvi area in Orivesi...Orivesi, southern Finland b y Seppo I . Lahti Geologinen tutkimusla itos Espoo 1981 Geological Survey of...of Finland, Bulletin 314 ON THE GRANITIC PEGMATITES OF THE ERAJARVI AREA IN ORIVESI, SOUTHERN FINLAND...Eräjärvi area in Orivesi, southern Finland. GeoLogicaL Survey of FinLand, BuLLetin 314. 82 pages, 23 figures...The pegmatites of the Eräjärvi area (Orivesi, Finland) are middle Proterozoic granitic dyke rocks. The |  | | Journal (issue) | | ZODAC June CONTENTS FOR JUNE, 1945 CHIPS FROM THE QUARRY ................................................................... AMETHYST-SMOKY QUAR1Z-TOPAZ IN NORTHERN NEW HAMPSHIRE. By Harold J. Verrow ......... ~ .... v-.... ...... _ CHIPS FROM .. THE qUARRY . '~ - - ................... ...................au iok ~ ,It er- itS. : :a 10; i8- It TOPAZ By HAROLD J. VERROW Hartford, Connecticut 00 ...amethyst and smoky quartz, and a smaller amount of topaz have been found and rollected recently. All the |  | | Journal (issue) | | Richards Famous mineral localities: the Ouro Preto topaz mines ............................................new species of minerals, F-OH substitutions in topaz, amphiboles and tourmaline. X-rays were required...traveler, Francois Martin, wrote that quantities of topaz, amethyst and other colored stones had been found...Anjanabonoina. Gem-quality pink beryl, cordierite, garnets, topaz, zircon, danburite, komerupine, scapolite and diopside...crystals have come from the red alluvium. Topaz Al2S i04(F,0H)2 Topaz is found sparingly at Anjanabonoina, |  | | Journal (article/letter/editorial) | | M. Burt: Ionmicroprobe analyses of Li and B in topaz from different environments, 392 Hicks, B.D., see...Review of Geology and Geochenistry of Cenozoic Topaz Rhyolites fron the Western United States by E.H...double-chain pyriboles from Orijarvi, southvrest Finland, 345 Scott, K.M.: Significance of a lithiophorite...stilpnomelane, 724 Ti-rich biotite. 89 titanite,89 topaz,392 tourrnaline, 1097 trerno1ite,707 ureyite,126...lO18 Archimedean so1id. 1176 Arizona ongonite,392 topaz,392 topazite,392 Arkansas carbonatite, 59 quartz |  | | Journal (article/letter/editorial) | | consists of disseminated chalcopyrite and gold in a topaz bearing quartz-sillimanite gneiss hosted by quartz-feldspar...sulphide mineralization, and the occurrence of topaz, suggest that hydrothermal activity with strong...1.8-1.9 Ga) sulphide deposition in Sweden and Finland (Hallberg 1989). The contrast in lead isotope composition...as adjacent supracrustal regions in Sweden and Finland. U-Pb zircon dating of volcanic rocks and early...Dating of volcanic rocks in central and southern Finland have also yielded U-Pb zircon ages of 1.87 1.90 |  | Agangi, Andrea, Kamenetsky, Vadim S., Hofmann, Axel, Przybyłowicz, Wojciech, Vladykin, Nikolay V. (2014) Crystallisation of magmatic topaz and implications for Nb–Ta–W mineralisation in F-rich silicic melts — The Ary-Bulak ongonite massif. Lithos, 202. 317-330 doi:10.1016/j.lithos.2014.05.032 | Journal (article/letter/editorial) | | Crystallisation of magmatic topaz and implications for Nb-Ta-W mineralisation in F-rich...Vladykin, Nikolay V., Crystallisation of magmatic topaz and implications for Nb-Ta-W mineralisation in F-rich... ACCEPTED MANUSCRIPT Crystallisation of magmatic topaz and implications for Nb-Ta-W mineralisation in F-rich...constraining the formation of T magmatic topaz. In these rocks, topaz occurs as phenocrysts, thus providing...orthomagmatic stage. SC R Cathodoluminescence images of topaz and quartz reveal growth textures with multiple |  | | Journal (article/letter/editorial) | | Temple, 6 miles W of Temple in abandoned limestone quarry; marcasite* (spear-point crystals; groups up to...Minerals quarry), at Damon on Route 36, prominent hill, shallow piercement salt dome, open-pit quarry on N...an Indian stronghold. Sam Damon opened a small quarry in 1831, first oil well drilled in 1915. Sulfur...dard Sulfur, 1953-1957. Dresser Minerals opened quarry in 1976, active in 1989 by another operator producing...cent pyrite octa hedron, 4 mm across, Dresser quarry, Damon Mound, Brazoria County; Art Smith specimen |
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