 | | Book | | tiideto the THREE PHASES OF TITAN Rutile Anatase Brookite RobertJ. Lauf Г About the Author he author...dioxide minerals, namely, rutile, anatase, and brookite. For completeness, mention is also made of the...light of the spectacular finds of anatase and brookite in Pakistan in the last five years, the author...explanation of the structures of rutile, anatase, and brookite and their phase relations. A section on their...he titanium oxide minerals rutile, anatase, and brookite are well known to mineral collectors and lapidary |  | | Journal (article/letter/editorial) | | plattnerite, and is trimorphous with anatase and brookite. Rutile is popular as a collector’s mineral. It...associated minerals include ilmenite, anatase, brookite, hematite, quartz, titanite, chlorite, muscovite...to 2 cm across are reported from the Songo Pond quarry at Albany, Maine. It has been found in good specimens...2015 localities include crystals to about 4 cm in gneiss at Barre and well-formed crystals in micaceous...cm from Logan’s quarry; similar brilliantly lustrous crystals from the Poorhouse quarry; and large geniculated |  | Triebold, Silke, Luvizotto, George Luiz, Tolosana-Delgado, Raimon, Zack, Thomas, von Eynatten, Hilmar (2011) Discrimination of TiO2 polymorphs in sedimentary and metamorphic rocks. Contributions to Mineralogy and Petrology, 161 (4) 581-596 doi:10.1007/s00410-010-0551-x | Journal (article/letter/editorial) | | contents obtained by electron microprobe in anatase, brookite, and rutile shows that these vary significantly...discrimination Phase classification Anatase Brookite Rutile Erzgebirge Zr-in-rutile thermometry...for thermometry. Additionally to rutile, both brookite and anatase are likely to occur in any metamorphic...Jamieson and Olinger 1969) indicate that anatase and brookite are the low-T and low-P TiO2 phases, being stable...700C at air pressure and ca. 475C at 0.8 GPa (brookite). Above about 475C, rutile is the major stable |  | | Journal (article/letter/editorial) | | furnished noteworthy specimens OJ gems is the Golconda district, about 50 kilometers to the northwest. The city...Figure 3. Location of Pedreira Atalaia (the Sentinel quarry) near Governador Valadares, Minas Gerais, Brazil...considerable interest when, in the summer of 1990, in a quarry at the foot of Ibituruna, a large cavity was discovered...rock for construction purposes and road metal. The quarry in question is the westernmost of these, not far...Atalaia (Sentinel quarry). It is owned by Dr. Joaquim A. Leiio. The face of the quarry runs east-west and |  | | | | Australia, at Mount Morgan Mine, from Chartres Towers district, from Hillgrove, from Hill End, and large production...U.S., sulfur is found in Louisiana and Texas in upper parts of salt domes. Also in tuff at Sulphurdale...U.S., nice bladed crystals occur in the Darwin district, Inyo County, California; also at Antimony Peak...California; and large crystals come from the Rand district, San Bernardino County. Long crystals at Manhattan...In U.S., very abundant in Tri-State lead-zinc district as cockscomb forms. Very excellent cockscomb crystals |  | | Book (edition) | | Chartres In Australia, at Mount Morgan Towers district, from Hillgrove, from Hill End, and large production...S., sulfur is found in Louisiana and Texas in upper parts of salt domes. Also in tuff at Sulphurdale...U.S., nice bladed crystals occur in the Darwin district, Inyo County, California; also at Antimony Peak...California; and large crystals come from the Rand district, San Bernardino County. Long crystals at Manhattan...U.S., very abundant in Tri-State lead-zine district as cockscomb forms. Very excellent cockscomb |  | | Journal (issue) | | Conklin Famous mineral localities: the Gillette quarry, Had dam Neck, Connecticut . . . . . . . . . ....included over a hundred specimens from the Batopilas district, Chihuahua, Mexico, 73 of which were specifically...Canada (5 specimens), the Bell mine in the Butte district, Montana (1 specimen), and the Gould & Curry mine...1992 Famous Mineral Localities THE GILLETTE QUARRY ~DAM NECK, CONNECTICUT Jeffrey A. Scovil 734 E...Coronado Road Phoenix, Arizona 85006 The Gillette quarry is one of a number of complex zoned lithium-rich |  | | Book | | Burchard • Bode . Frontcover Upper left: The observatory at Kremsmunster. Austria. which houses the mineral...mineral collection. Upper right: Pyromorphite crystals from Pribram. Czechoslovakia. Natural History Museum...mineralogical cabinet of the convent at Kremsmunster, Austria. The . specimens a~e displayed m baroque furniture...important mineralogical museums in Western Europe Austria Belgium Denmark Finland France Germany (Federal...half are in Germanspeaking countries (Germany, Austria, Switzerland). The reasons for this are partly |  | | Journal (article/letter/editorial) | | The Trimouns Quarry Luzenac, Ariège, France Freddy Marty Rue de l’Hôpital 11230-Chalabre France In recent...recent decades, the Trimouns quarry has become well known as a source of outstanding crystals of several...reference to the three peaks that overlook the quarry. Langue d’Oc is a regional language of Latin The...Littéraires et Industrielles de l’Ariège. In 1905 the quarry was acquired by the Société des Talcs de Luzenac...producer of talc at 1.3 million tonnes per year. The quarry employed some 100 workers at the beginning of the |  | | Journal (article/letter/editorial) | | particular sulfosalt minerals from the Lengenbach quarry in Binntal-which, at least in part, are still valid...mineral locality in the Alps, namely, the Lengenbach quarry in Binntal. In 1958, due to the initiative of Prof...distinctive sulfosalt minerals from Lengenbach quarry accessible to modem research. The syndicate has...by sedimentary in Boudin Neck layers between the gneiss nappes). This accumulation of rock nappes of kilomeFigure...minerals are TiO, minerals (anatase, rutile, and brookite), hematite, magnetite, and ilmenite. Carbonate |  | | Catalog/List | | 'holy fallen filled with the olivine it district: from or at regarded The moderate a at high...Meteoric Stone, or Iron Moes, Transylvania, Austria-Hungary. Meteorites, Canon Diablo, Arizona. Kiowa...the crystals sandstone allows cabinet are is Austria-Hungary, brown coal formation.” am cases and...are scarcer. instances, material, Pater- at quarry received the entire we in- or through the...Von 2O to be Thaumasite the he and dis- quarry, West aggregate of pris- matic uals crystals |  | | Journal (article/letter/editorial) | | from serpentine, from the Riffelhorn, and from gneiss from Kashmir, whilst a cobalt ore, containing manganese...pyroxenes and amphiboles. The dimorphous rutile and brookite have the same melting point, whilst for the somewhat...Zincite 1260" Cassiterite 1127 Rutile ....., 1560 Brookite 1560 Uraninitc 1188 Vivianite 1114 Apatite 1221-1227...kalgoorlite is given. The amalgam found in the district may have been produced by the decomposition of...is a double homeomorphism shown by rutile and brookite with mossite and columbite. L. J. S. Published |  | | Report (issue) | | Brookite TiO2 c 2001-2005 Mineral Data Publishing, version 1 Crystal Data: Orthorhombic. Point Group:...Occurrence: An accessory mineral in alpine veins in gneiss and schist; in contact metamorphic zones and hydrothermal...Griessertal, Uri, at Salvan, Valais, and elsewhere. In Austria, found near Prägraten and Virgen, Tirol. From...refinement of the crystal structures of rutile and brookite at high temperature. Can. Mineral., 17, 77–85 |  | | Report (issue) | | Series: Mineral Group: Trimorphous with anatase and brookite. Rutile group. Occurrence: A common high-temperature...pegmatite; in hydrothermally-altered rocks; in gneiss, schist, contact metamorphosed limestone; in clays...common detrital mineral. Association: Anatase, brookite, hematite, ilmenite, apatite, adularia, albite...Saualpe, and at Herzogberg, near Modriach, Styria, Austria. From Kassoi Brod, Ural Mountains, Russia. In the |  | | Book | | derives its name from the saltmining district of Hallstatt in Upper Austria, where many prehistoric finds have...ditetragonal prism e, also shown at D (only the upper part of the whole crystal is shown). identification...the fifteen most abundant elements present in the upper ten miles or so of the crust, which account for...characteristics 3 The 15 most abundant elements in the upper 10 miles of the Earth's crust given as weight percentages...by geological disturbances penetrates into the upper regions of the Earth's crust and there begins to |  | | Journal (issue) | | scattered at the foot of the cliffs, which form the upper limits of Imogene basin. This pink spar he took...of great beauty. Wire gold also occurs. In the upper workings the native gold is purer. We spent a couple...essential to the maintenance of production in a mining district. In fact, by reason of the energetic development...of 2,200 ft. In a total length of 8,400 ft., the upper section of the tram descends 2,100 ft., and has...at Mont St-Hilaire and weloganiteat the Francon quarry, cubanite crystals from Chibougamau can be added |  | | Book (volume) | | alpine ... . .. . . . . . . . . . ....... Graniti, gneiss, sieniti, granodioriti, ecc. . . Dolomie e calcari...forme sono rap presentate con diversi colori. gneiss, roccia metamorfica di composizione ana loga...del granite, spesso scistosa. Classici esempi di gneiss sono le beole dell'Ossola (Beura, Villadossola)...trova anche alla Wansdorfer Hiitte (Krimmlertal, Austria), spesso associata a cuoio di monte. Johan nsenite...esemplari di questo minerale anche nelle fessure degli gneiss e nelle geodi di alcune rocce effusive (melafiri) | | | Journal (issue) | | Conklin 7 Famous mineral localities: the G illette quarry, Haddam Neck, Connecticut .......................included over a hundred specimens from the Batopilas district, Chihuahua, Mexico, 73 of which were specifically...Canada (5 specimens), the Bell mine in the Butte district, Montana (1 specimen), and the Gould & Curry mine...Coronado Road Phoenix, Arizona 85006 TheGillette quarry is one o f a number o f complex zoned lithium-rich...well-known Middletown, Connecticut, pegmatite district. It has long been a favorite locality fo r field |  | | Journal (issue) | | Philip P. Betancourt from the Franklin (Farber) Quarry. Hercynite by Fred J. Parker A New Occurrence....be the most important commercial mineral in the district. In 1848 Col. Samuel Fowler deeded the zinc mining...places 100 feet or more (Fig. 2). Ultimately a quarry was established over the chamber for fill so that...MAGENTA-FLUORESCING PEGMATITE from the Franklin Quarry, Franklin, New Jersey to later weathering as well...pegmatite were collected at the Franklin Quarry (formerly the Farber Quarry) on November 15,1980, at the FOMS |  | | Book | | the various forms of which are named anatase, brookite , and rutile respectively. As the reverse of...BRUCITE 56.93 32:27 10.80 Magnesia Titanium { BROOKITE 70:30 12:00 64.82 : Carbonic acid Lime 44:00...Vincent.) Argentite. Kerate. Silver. ( Terrace Hill quarry ., Axinite. Devonian Slate. Cuprite. Jamesonite...Baryte. Calcite . Fahlerz. Pyrite. ( Looe Mills Hill quarry .) Anatase. Serpentine. Actinolite. Amianthus....Devonian. Fahlerz . Flint. Anatase. Bismuthine. Brookite. Mispickel. Pyrite. Marcasite. Rock Crystal. |  | | Catalog/List | | THAUSITE Modum, Buskerud,Norway 59 BOEHMITE Saga Quarry, Tvedalen, Norway Brown-purple mass in matrix Creamy...--· - . . - - ------ -·-··-·-· ---·7 ANNITE Saga Quarry, Tvedalen near Larvik, Norway 696 CHROME DIOPSIDE...lx2 £15 lxl £4 lx2 £8 2x2 £16 126 DIASPORE Saga Quarry, Tvedalen. Norway 1060 KORNERUPINE Bjordammcn,...lxl 90p lx2 £1.80 2x2 £4 Mica 295 NATROLITE Saga Quarry, Tvedalen, Norway Orange to red in feldspar.(Hydrothcrmal...ofNcpheline) lxl £1 lx2£2.SO Zcolite 296 NATROLITE · Saga Quarry, Tvedalcn Norway · Rich creamy masses with possible |  | | Book | | distinct bands which help to identify the rock. ■10 Gneiss is similar but contains less mica — it may have... . _ a Basalt Slate Schist 16 Phyllite Gneiss Homfels 17 Quartzite Marble Skam 18 Sedimentary...rubbish which may harm animals. If the site is a quarry careful arrangements with respect to equipment...forms part of an important and extensive mining district. Details of the names of species are taken largely...Found at the Pelican Dives mine, Silver Plume district, and Little Emma mine, Clear Creek County, Colorado |  | | Journal (article/letter/editorial) | | Perros Granite, the rocks of the Cap la Hague district are considered here. Group IV.—A large elongated...in the Normandy granites. Rutile, anatase, and brookite together with topaz, andalusite, and tourmaline...centre of the mass with specimens from the large quarry at Dielette on the margin supports this conclusion...tourmaline, anatase (brown, tabular and bipyramidal), brookite (pale yellow), and monazite (one grain, elongated)...the gneissic rocks. A specimen of the dioritic gneiss from the west of Anse de Moulinet, about 2 km. |  | | Report (issue) | | __________________________________________ 10. Augen injection gneiss in schist and its alteration products.._____-_________________...Paragenesis of minerals from the Roseland titanium district, Virginia. nr OCCURRENCE AND ORIGIN OF THE...deep- of the rutile used in the world, and the district also seated intrusive mass, which is probably...pyrogenic processes. which came from the Roseland district, in which the The simple mineralogy of the feldspar...chemistry of replacement, and it the Hot Springs district of Arkansas has begun to has been possible to |  | | Journal (article/letter/editorial) | | , Exhibit 260 Ben Nevis... ... 158,161 Bergen District, Norway, Excursion to, I, 18, 39; Arch structures...Careg Wen, 200; Carnarvonshire, 200, 203 ; Henley District, 252; Norway Boulder Clay, Ipswich ... BouIenger...Beds, 163; Excur162 sion to 208 Bron-y-Ioel Quarry ... Brookite, Prenteg, Tremadoc 212, 213. 214 Brown, Arthur... 14426I Burkitt, Miles C., elected Burnieshaig Quarry ... 289, 29° Cadmore, Miss Edith, 19°,225, 262...3° 2, 303 Cairnshee Granite, 268, 269, 26 9 279; Quarry Calciferous Sandstone 3 12 Caledonian Mountain-folding |
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