 | | Journal (article/letter/editorial) | | the AMETHYST MINES in the Thunder Bay Area Thunder Bay, Ontario, Canada Figure 1 View of the North...North Shore of Lake Superior in Thunder Bay from Amethyst Harbour. DANIEL E. KILE 5176 Black Bear Run Littleton...subsurface inclusions of hematite from the Thunder Bay Amethyst mine, collected in 1978. Specimen 14.4 cm wide...town of Thunder Bay and nearby mines; map prepared by William Besse. T he Thunder Bay district in Ontario...Ontario, Canada, is noted for spectacular amethyst clusters that are often distinctive due to microscopic |  | | Report (issue) | | Energy, Mines and Resources Canada E:nergie, Mines et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES...POWER OF OUR IDEAS COVER Left: Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base...no. 17206. GSC 204971-1 Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents...bookstores or by mail from Canada Communication Group - Publishing Ottawa, Canada KIA OS9 and from. Geological |  | | Journal (issue) | | New York Articles Amethyst from the Thunder Bay region, Ontario .......................................Donald Elliott at the Diamond Willow mine near Thunder Bay, Ontario. Photo by Harold and Erica Van Pelt...Leicestershire LE7 7Qb Canada: Mrs. J. W. Peat 36 Deepwood Crescent Don Mills, Ontario M3C 1N8 South Africa:...paid at Bowie, Maryland One of the World’s Great Gem and Crystal Collections for sale by owner This collection...featured at the Munich, Germany, and Tucson, Arizona, Gem and Mineral Shows; specimens have been illustrated |  | | Book (volume) | | cushion cut rhodochrosite (25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern... His works are known to almost every collector, gem cutter, gemologist, and mineralogist. His writings...newer events to bring the history of North American gem mining up to date. Here, then, is the latest, most...promising diamond fields being vigorously explored in Canada and the United States. Experts agree that in several...diamond-bearing kimberlite bodies, most likely in Canada. Systematic large-scale mining of sapphire-bearing |  | | Book | | ........................ Tilly Foster magnetite mine near Brewster, Putnam County......................of Jefferson and St. Lawrence Counties.. Sterling mine, near Antwerp, Jefferson County............................................ Hematite mines near Ontario, Wayne County.................. Lead-Zinc Mines...................................... Rossie lead mine, St. Lawrence County.................................. Balmat-Edwards zinc district, St. Lawrence County......... Garnet mine of Gore Mountain, Warren | | | Book | | farm above Keuka Lake in New York's Finger Lakes district. After attending Penn Yan Academy in nearby Penn......................... . Tilly Foster magnetite mine near Brewster, Putnam County .....................Jefferson and St. Lawrence Counties .. Sterling mine, near Antwerp, Jefferson County ......... . Clinton.......................... . Hematite mines near Ontario, Wayne County ........... • Lead-Zinc Mines . .... . . . . . . . . . . . . . . . . . Rossie lead mine, St. Lawrence County . . . . . . . . . . . . . |  | | Report (volume) | | Devonian development diagram Direcci6n Dissertation district distribution division Doctoral, Document Doctoral...Topog.------- Topographic, etc. Tp.__-.-__-._ Township BIBLIOGRAPHY OF NORTH AMERICAN GEOLOGY, 1946...Brunswick. Agricultural and Industrial Progress in Canada vols. 25, nos. 1, 3, 4, 6-10, 12; 26, nos. 3, 5...Berkeley, Calif. Canada Bureau of Mines Memorandum Series 90, 91. Ottawa, Canada. Canada Department of Mines...Reports, years ending 3/31/45 and 3/31/46. Ottawa, Canada. Canada'Geological Survey: Bulletin nos. 3-8; Economic |  | | Book (edition) | | occurrences in the United States (nearly all localities), Canada, Germany, Norway, Sweden, Uganda, Tanganyika, Nyasaland...Description of Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa...Geological Survey and H. von Eckermann (1948A) : Ontario Department of Mines and G. E. Parsons (1961)...Geological Survey and H. von Eckermann (1948A) : Ontario Department of Mines and G. E. Parsons (1961) :...Figure 12-9 : Ontario Department of Mines and G. E. Parsons (1961) Figure 12-10 : Ontario Department of |  | | Journal (issue) | | Journal of Gemmology The Gemmological Association and Gem Testing Laboratory of Great Britain President E...BSc., FCA, DCA The Gemmological Association and Gem Testing Laboratory of Great Britain 27 Greville Street...yield more gems from different localities, thirteen gem species are recorded here as stars or cat'seyes....materials science is of growing influence in the gem market and if it is not laser development or space...gemmological. R.R.H. © Gemmological Association and Gem Testing Laboratory of Great Britain ISSN: 1355-4565 |  | | Report (issue) | | cut stencils, ran the mimeograph, stuffed per- Gem & Mineral envelopes, societies, and proof read... MEMBER SOCIETIES AND CLUBS Page Antelope Valley Gem and Mineral Society.......................................................... ,..... 10 Bellflower Gem and Mineral Society............................................................. 11 Benicia Rock & Gem Club, Inc ........................... :....................................... ::.... 11 Calaveras Gem and Mineral Society, Inc........................ |  | | Journal (issue) | | Change William E. Boyajian FEATURE ARTICLES 292 Gem Localities of the 1990s James E. Shigley, Dona M...Includes a wall chart and comprehensive tables of gem localities. 336 Gemstone Enhancement and Detection...pressing need to identify them. 360 Synthetic Gem Materials and Simulants in the 1990s John I. Koivula...Analyzes an entire decade of activity in the synthetic gem industry, as well as the introduction of new simulants... Editors, Gem Trade Lab Notes Thomas M. Moses Ilene Reinitz Shane F. McClure Editors, Gem News Mary L |
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