 | | Journal (article/letter/editorial) | | two articles have been devoted to the mineral FLUORITE. We had fully intended to limit it to that but...When I first started gathering material for the FLUORITE articles I came into correspondence with Mr. Nigel...fortunate since England has produced the finest FLUORITE groups I've ever seen, and, Mr. Kennedy was most...Harwood of North Wales, which is reputed to be one of the finest assemblages of British FLUORITE. I would...great beauty and variety of colour displayed by fluorite, combined with the happy circumstance that it |  | 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) | | minerals crystallized before tourmaline (amphibole, fluorite, margarite). The Na concentration in tourmaline...Emerald Mines locality in the Central Urals, 80 km north of Yekaterinburg (Fig. 1), has attracted many geological...studies of tourmaline from the Urals Emerald Mines district have reported major-element compositions, but...and still-active deposit in the Emerald Mines district. We also analyzed one sample from the inactive...Krasnoarmeisky deposit in the southern part of the district. The data set presented here combines majorelement |  | | Journal (article/letter/editorial) | | 946â952, 2010 Solution calorimetric investigation of fluor-chlorapatite crystalline solutions Guy L. Hovis1...gap is indicated by either synthetic or natural fluor-chlorapatite specimens. Based on full chemical analyses...define the limits of enthalpy behavior for the fluor-chlorapatite system. Keywords: Enthalpies of mixing...Earthâs crust and lithospheric mantle. In nature, fluor-chlorapatite appears to form a continuous solidsolution...immiscibility (Fig. 1). Examples of intermediate fluor-chlorapatite compositions, which can approach end-member |  | | Report (issue) | | .............................................. North Reynolds ...................................................... District of Kenora ............................................ District of Thunder Bay...Properties .................................... Cardiff Fluorite ................................................OTHER FLUORITE OCCURRENCES ................................. GRADE AND EVALUATION OF FLUORITE DEPOSITS...PHOTOGRAPHS Cover, Fluorite specimen, courtesy Royal Ontario Museum Crystal fluorite from the Madoc area |  | | Journal (article/letter/editorial) | | Wisconsin; Tordal, Norway; Russia; and Matawatawa, Zimbabwe. The color intensity (depth of blue coloration)...Tordal, Norway 4 0 Russia 2 5 17 Matawatawa, Zimbabwe 4 138 Morefield and Rutherford pegmatites,...Abundant pale pinkish-reddish to purple to colorless fluorite occurs as granular to monocrystalline masses and...of an amphibole sample; for example, classical âfluor-richteriteâ from the Tory Hill-Wilberforce area...area, Monmouth Township, Ontario, became (silicic) fluor-edenite in 1978, only to later become fluororichterite |  | | Report (issue) | | of fluorspar. The principal vein minerals are fluorite, calcite, sphalerite, and galena. Quartz, marcasite(...gypsum, and sulfur occur in minor quantities. Fluorite and calcite were deposited thoughout the period...fractures that were opened after the main period of fluorite deposition, and the later adjustments probably...includes a group of mineralized faults about 2 miles north of Salem, Ky. Several of the fluorspar properties...Highway 60 at Salem, Ky., and extends approximately north about 2 miles. Most of the fluorspar from the Babb |  | | Journal (article/letter/editorial) | | minerals with a fixed high F content, such as fluorite, local assemblages of minerals and the degree...Sommaire Le mode dâincorporation structurale du fluor dans la tourmaline dĂ©pend de contrĂŽles internes...OH1â, F1â, O2â. Pour comprendre le comportement du fluor, il faut rĂ©aliser que le F1â ne peut se trouver...contrĂŽle sur le taux dâoccupation du site W par le fluor. Un dĂ©sordre de Mg et Al impliquant les sites Y...prĂ©sence de minĂ©raux Ă teneur en F Ă©levĂ©e fixe, la fluorite par exemple, lâassemblage local des minĂ©raux, |  | | Journal (article/letter/editorial) | | only color in which fluorite fluoresces. Different geological circumstances of fluorite formation can introduce...red, and white fluorescent color responses. Some fluorite is able to fluoresce in one color under shortwave...makes fluorite possibly the most interesting of fluorescent minerals. Blue-fluorescent Fluorite MANUEL...held by the author. The Many Fluorescences of FLUORITE I N T H E M I D D L E O F T H E L A S T C E N...was experimenting with the effect of sunlight on fluorite. His experiments were carried out in a darkened |  | 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...University, Baton Rouge, Louisiana 70803, USA Abstract: Fluor-schorl, NaFe2+3Al6Si6O18(BO3)3(OH)3F, is a new mineral...to Sachsenklemme), Trentino, South Tyrol, Italy. Fluor-schorl was formed as a pneumatolytic phase and in...0.3 mm in diameter) with a bluish-white streak. Fluor-schorl is brittle and has a Mohs hardness of 7;...additional, newly confirmed occurrences of fluor-schorl are reported. Fluor-schorl, ideally NaFe2+3Al6Si6O18(BO3)3(OH)3F |  | | Report (issue) | | Page Chapter I â Introduction 9 Location of district geologic Earlier 9 summary Historical 10... 22 Summary 24 Minerals of the veins- 25 Fluorite 25 Calcite 25 Quartz Galena 25 26 Sphalerite...and malachite 31 Relations between calcite and fluorite 31 Oil and bitumen in the veins 37 Vugs 38...generations of fluorite Purple coloration of Solution cavities and Chapter III â Blanket fluorite around...deposits General Primary fluorite Secondary fluorite Solution of primary fluorite Primary calcite Secondary |  | | Journal (article/letter/editorial) | | description of a carbothermal residua -related district, and their potential for mineral deposits. The...which are carbothermal residua carbonatites and fluorite mineralisation deposited by hightemperature fluids...zirconium, fluorite and phosphate. At the Pianciano quarry (Bracciano) fluorite-rich ore (fluor-ore, = fluorite...fluorite in a mineralised gangue) is actually exploited as flux for cement, but Rare Earth Elements (+V)...Carbothermal residua -related ores are calcite, barite, fluorite, strontianite ± siderite ± rhodochrosite ± ankerite |  | | Journal (article/letter/editorial) | | the world, comesentirely from the St. Lawrence district. Here pre- Cambrian lavas and pyroclastics,Cambrian...alaskite-granitecomprisethe bedrock. Epithermal fluorite veins occupysteeplydipping fault fissures in granite...deposition of fluorite. Regional zoning is shown by the distribution of barite and green fluorite. Barite...margins and farther from the granite body. This district will undoubtedlyoccupya still more prominent positionamong...volcanics,showingfluorsparmine. Photo by C. K. Howse. fluorite. The granite generallyoccupieslowlands,and the |  | | Journal (article/letter/editorial) | | also been the source of many superb specimens of fluorite and other mineralsâknown by local miners as âBonnie...lucrative, but possibly job-threatening, sideline from mine management. Thus, the location information given...Rogerly mine in Weardale, England. His most recent article for Rocks & Minerals was titled âFluorite from...November/December 2004 issue. Figure 1. A cluster of twinned fluorite crystals, surrounding a tan, sandstonelike matrix...fairly old because the color of much green Weardale fluorite is unstable and will fade with prolonged exposure |  | | Report (issue) | | Kosnarsâ text acknowledges) fluorliddicoatite. Fluor-liddicoatite was described in 2011 as a species...the old Anjanabonoina liddicoatites are actually fluor-liddicoatite). They boast spectacular color-zoning... ï„============================================================ï„ Fluor-liddicoatite, 2.6 cm, from Tsarafara Sud, Sahatany...photo. Fluor-liddicoatite on matrix, 3.6 cm, from the Anjanabonoina pegmatite, Betafo district, Antananarivo...the late 2000s, fluorite was not among the most cherished products of the Ojuela mine at MapimĂ, Durango |  | | Report (issue) | | WITH SPECIAL REFERENCE TO THE ILLINOIS-KENTUCKY DISTRICT By Paul Hatmaker Former Mining Engineer, Building...production 16 Origin and occurrence 18 Kentucky district Western States Mining districts of the United...37 Domestic production Imports statistics and mine stocks 40 40 Tariff history 51 Exports Domestic...vein at the 500-foot level of the Daisy mine, Rosiclare Lead & Fluor- 6. Method FIG. 1. 2. 3. 4. Fluorspar...Co., Rosiclare, 19 111 of driving drift, Daisy mine, Rosiclare, 32 111 7. Picking belt and gyratory |  | | Report (issue) | | sporadically distributed in veins of calcite and fluorite along the faults. INTRODUCTION The Moore Hill...crosses the central part of the Kentucky fluorspar district and is one of the six most mineralized systems...on the Eagle-Cullen property, and the Nancy Hanks mine with one of the caved shafts on the Nancy Hanks...inch to 100 feet (see pis. 11 and ]2), detailed mine mapping, correlation of drill core and other subsurface...publication by Starnes (1946). The writers thank the mine operators for their wholehearted .cooperation in |  | | Report (volume) | | -___--_-___----_--_-__-____--__----_____ Old Standard mine area________-___________--_________-_-_LaRue Brothers...Map of part of Keystone mine and Chipps shaft. Map and sections of Gilless mine. Section of Mississippian...Dike-Baton areas, in the Kentucky-Illinois fluorspar district, are a complex northeastward-trending system and...The most abundant vein minerals are calcite and fluorite with subordinate quantities of sphalerite, galena...dominantly calcite that contains fluorite lenses but in places are mainly fluorite having lesser quantities of |  | | Journal (issue) | | Sept. 6, 1936, when Dr. and Mrs. John R. Evers of North Tarrytown, N. Y., pulled up at my house, opened... crystals however were at home and A few miles north of Boonville, a we would have to go there for them...five seemed to extend along its course to miles north of Carthage and on Route the top of the mountain)...of us got into it, as did also hematite mine, the Sterling Mine, the guide. Momentum for the boat was obtained...by pulling upon a cable was located. .ix miles north of Middleville is fastened to the roof. A bright |  | | Book (edition) | | lapidary purpoo . The working are on a mall hill just north of the. East Road. in Dungannoo Township, aboo 2...interpretati qf s ~ -. is correct, the Princes mine lie on th north fun and the Caiicrinite Hill andDa 'is Hill... ' t . ,. Distributed by: Princess Sodalite Mine Rock Shop Highway28 RR4 Bancroft, ON KOL lCO All...REGION Bancroft, Ontario is recognized throughout North America as a major centre for rock and mineral collecting...the area has been known for its mines. The first mine in the region (Coe Hill) opened in the 1880s producing |  | | Journal (article/letter/editorial) | | yielded enormous amounts of both lead and, later, fluorite ores. Byproducts of this mining activity were...were the many well-crystallized specimens of fluorite and other minerals that were found lining cavities...operating a specimen-recoveryproject at the Rogerley mine in Weardale, England. His most recent article for...for Rocks & Minerals was titled âThe Rogerley Mine, Weardale, County Durham, Englandâ and appeared in...cost of rehabilitating and running an underground mine, coupled with everincreasing environmental concerns |  | | Journal (article/letter/editorial) | | tensional features that controlled .depositionof the fluorite are not merely local normal faults but parts of...borderedby high fault-blockrangesand is to .the north. The grabens,rift, and related fluorassociated with... Ganguemineralsare mainly quartz, especito the north and south. These districtsare chiefly ally chalcedonic...gestthatthistypeof fluoriteformedfromverydilute Fro. 1. Map of North Americashowingrifts andlineaments associated with...Mountains; 2. Eagle Mountains. New Mexico: 3. Fluorite Ridge; 4. CooksPeak; 5. Burro Mountains;6. Gila; |  | | Journal (article/letter/editorial) | | All photos by the author unless otherwise noted FLUORITE JESSE FISHER 380 Pennsylvania Avenue San Francisco...jef520@comcast.net From the North Pennines Orefield England Figure 1. The Groverake mine, located in upper Rookhopeburn...operating commercial fluorspar mine in the North Pennines, closing in 1999. Mine waste heaps (known locally...above the mine site. Figure 2 (left). A scattering of numerous penetration-twinned fluorite crystals...the Cambokeels mine in the early 1980s. Figure 3 (right). A penetration-twinned fluorite crystal, 2.5 cm |  | | Report (edition) | | of fluorspar which exist in Cornwall. Those of North Wales are described by Mr. Wray. In all regions...Pocock has revised the account of Derbyshire :fluorite deposits, and Mr. Henry Dewey has furnished notes...(Durham), R. W. Pocock (Derbyshire), D. A. Wray (North Wales), H. Dewey and C. E. N. Bromehead (Cornwall...rare-earth contents of a series of specimens of fluorite at ' the Government Laboratory. Petrographical...Petrographer, and by Dr. Dunham. We are grateful to the mine-owners and operators for their willing collaboration |  | | Book (edition) | | Ollerenshaw (Proprietor · BLUE JOHN CAVERN and BLUE JOHN MINE) and Messrs. R. J. and D . Harrison (Proprietors...west from the village of Castleton. in the Peak District of Derbyshire; 16 miles from Sheffield, 24 miles...the main road (A625). The Blue John Mine is situated on the north-west side of the hill, 150 yards from...area is a well-known tourist venue in the Peak District National Park, and is well served by public transport...ornamental variety of Fluor-Spar (Calcium Fluoride), differing from any other fluor-spars in that it has |  | | Journal (article/letter/editorial) | | manganese-bearing chromites and associated grossular from Zimbabwe, 8I I; and see WOOLLEY (A. R.), 487 BIGGAR (G...Derbyshire, cause of banded blue coloration in fluorite, inclusions, anal., colloidal Ca in, 243 Blueschist-facies...new amorphous copper carbonate from the Carr Boyd Mine, Western Australia, 97 BRINDLEY (G. W.), Motukoreaite--additional...of the diorites and associated rocks of Chonet, north-western Guernsey, Channel Islands, 9x9 BURKE (E...metamorphosed gabbro, 979 Chromites, Zn- and Mn-rich, Zimbabwe, anal., 8I i CLARK (A. M.) and COUPER (A. G.) |
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