| | Journal (article/letter/editorial) | solution series [Ca(Fe,Mg)SiO4] would exsolve from Ca-bearing olivine of the fayalite-forsterite series only...now, members of the monticellite-kirschsteinite series have only been described from high-temperatures...the kirschsteinite-monticellite and the fayalite-forsterite series. This type has been described from only...et al. (1978) observed exsolution lamellae of forsterite in monticellite from contact metamorphic rocks...symplectic intergrowths of augite with magnetite or chromite and, in some cases, with orthopyroxene due to | | | Book (edition) | one species only, or even specimens only from one mine. Whatever limits the collector imposes on himself...clearly describes the sheet structure formed by a series of connected rings linked at all corners in a hexagonal...substitution, as for example between fayalite, an iron silicate, and forsterite, a magnesium silicate. Both...species called an isomorphous series. The pure species, fayalite and forsterite, are called the end members...properties. In some instances, as in the fayalite-forsterite series, fairly accurate estimates of substitution | | | Book (edition) | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...could be resolved, we are now prepared for a long series (welcome for the next edition) of letters pointing...such substances may form a continuous isomorphous series. isotropic In crystal optics the characteristic | | | Book (edition) | one species only, or even specimens only from one mine. Whatever limits the collector imposes on himself...clearly describes the sheet structure formed by a series of connected rings linked at all corners in a hexagonal...substitution, as for example between fayalite, an iron silicate, and forsterite, a magnesium silicate. Both species...species called an isomorphous series. The pure species, fayalite and forsterite, are called the end rnembers...properties. In some instances, as in the fayalite-forsterite series, fairly accurate estimates of substitution | | | Book (edition) | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...could be resolved, we are now prepared for a long series (welcome for the next edition) of letters pointing...such substances may form a continuous isomorphous series. isotropic In crystal optics the characteristic...system. transition element (transition metal) A series of elements occupying certain positions in the | | | Book | (SiO4) group in the mineral forsterite. The chemical shorthand for forsterite is Mg,SiO4. This is known...bracket group would around the dis- result in forsterite symbolized thus: (Mg2)**(SiO4)*~. It is an interesting...as olivines. These are called forsterite, Mg2SiO., and fayalite, Fe,SiO4. these minerals Above:...consisting entirely of membersiof the olivine series another pair of strikingly different polymorphs...the crystals that form are no longer of forsterite and fayalite but of a single olivine containing both | | | Book | In the shafts and tunnels of a sixteenth-century mine INTRODUCTION arabic^groffcvinditaris.f} norrafludd9...(Si04) group in the mineral forsterite. The chemical short¬ hand for forsterite is Mg2Si04. This is known...the dis¬ tinctive (Si04) group would result in forsterite symbolized thus: (Mg2)4 + (Si04)4_. It is an...rock consisting entirely of members of the olivine series phosphate because it contains the tetrahedrally...known as olivines. These are called forsterite, Mg2Si04, and fayalite, Fe2Si04. If we melt a mixture of | | | Book (edition) | N icolaus Steno (1638-1686), discovered that a series of measure1nents 1nade on quartz crystals from...clearly describes the sheet structure formed by a series of connected rings linked at all corners in a hexag·onal...substitution, as for example between fayalite, an iron silicate, and forsterite, a magnesium silicate. Both species...ea lled an iso111orphous series. The pure species, fayalite and forsterite, are called the end members...properties. In some instances, as in the fayalite-forsterite series, fairly accurate estimates of substitution | | | Report (volume) | Stanford University Stanford, California 94305 Series Editor Paul H. Ribbe Department of Geological...loss of momentum in M.S.A.'s production of this series and encouraged several authors of this book to...material contained in this now highly successful series. The First Edition of Orthosiliaates was the...but are now known not to be such. Paul H. Ribbe Series Editor Blacksburg, VA ACKNOWLEDGMENTS The editors... CHAPTER 2 , Page continued GARNET-HYDROGARNET SERIES X3Y2(Si04)3_ ( H ^ ) (0 £ p £ 3) Eydrogrossular | | | Report (issue) | Cover illustration Native silver, Castle-Trethewey mine, Gowganda. The specimen measures 9 cm by 5 cm. National...GSC 1999–003A Native gold in quartz, Hoyle Pond mine, Timmins. The specimen measures 6 cm across. National... Frontispiece. The original Hollinger (Timmins) mine, 1910, before it was destroyed by fire in 1911....Northland mine Net Lake (Barton) mine Cedar Lake (Trebor, Cuniptau) mine Little Dan mine Sherman mine Temagami...Temagami (Copperfields) mine 16 16 19 20 20 22 23 23 25 26 26 27 27 27 28 28 29 29 30 31 31 32 32 34 35 | | | Report (issue) | largest crystal he found in the main dyke, Purdy mine, 1942. Photograph by N.B. Davis, courtesy of the...road log South March feldspar mine March mica mine Humphreys feldspar mine Currie barite occurrence Pakenham...Galetta) mine Stanton lead occurrence Bell’s mine Calabogie area Bluff Point mine Calabogie iron mine Blithfield...(Caldwell) mine Clyde Forks mine Radenhurst and Caldwell mine Virgin (Dempseys) Lake celestine mine Tatlock...Donald mine Renfrew area Jamieson Lime quarry Renprior mine Zenith (Phoenix) mine Buckhorn mine Renfrew–McArthurs | | | Report (issue) | diffraction. Ann was the author of the very popular GSC series “Rocks and Minerals for the Collector”, which covers.......................4 Todd (St. Stephen Nickel) mine......................................................................10 Blakeney (Basswood Ridge) mine.................................................................................21 Oliver Cameron mine...................................................Louisiana) mine.......................................................................24 Letete mine...... | | | Report (issue) | Nova Francia et Canada, 1597. This map is one of a series of maps of North America produced by Cornelius...la Dune du Sud Dune du Sud Dune du Nord Seleine mine La Grosse Île Brion Island Rochers aux Oiseaux Île...Cap-aux-Meules to Havre-Aubert Magdalen Manganese mine Butte du Vent L’Étang-du-Nord Baie du Havre aux...(Shoal Bay) mine Witless Bay shoreline occurrences Midnight Rock Wabana mine Foxtrap mine Manuels River...occurrence Workington (Lower Island Cove) mine Silver Cliff mine Cuslett barite occurrence Cross Point barite | | | Report (volume) | Cover illustration Beryl crystal in quartz, Lacorne mine. The crystal is 39 mm long and 18 mm wide. National...2359J Molybdenite crystal in quartz, Moly Hill mine. The crystal is 33 mm across. National Mineral Collection...Baldwin (Kelmac) mine Swastika (Crescent Kirkland) mine Lucky Cross (Golden Gate) mine Adams mine Boston molybdenite...Boston Creek gold mine Barry-Hollinger (Patricia) mine Boston-McRae mine Planet Gold mine Miller Independence...Independence mine Kennedy-Boston mine Cathroy Larder (Yama) mine Macassa mine Kirkland Lake gold mine Teck-Hughes |
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