 | | Report (issue) | | COLLECTOR Ann P. Sabina Sudbury to Winnipeg I.I Energy, Mines and Resources Canada E:nergie, Mines et...et Ressourees Canada Canada THE ENERGY OF OUR RESOURCES THE POWER OF OUR IDEAS COVER Left: Amethyst...Amethyst - Thunder Bay, Ontario. Specimen measures 4.5 cm across the base. National Mineral Collection specimen... Geological Survey of Canada Miscellaneous Report 49 ROCKS AND MINERALS FOR THE COLLECTOR Sudbury to Winnipeg... © Minister of Supply and Services Canada 1991 Available in Canada through authorized bookstore agents |  | | Journal (article/letter/editorial) | | Petrology of Grenville Schists near Fernleigh, Ontario by A. w. HOUNSLOW and j . M. MOORE, JR. Department...Department of Geology, Carleton University, Ottawa, Ontario, Canada INTRODUCTION G R E N V I L L E metasedimentary...metasedimentary rocks near Fernleigh, in south-eastern Ontario, are mainly pelitic schist, graphitic schist, marble...marble, paragneiss, and conglomerate, in the almandine amphibolite facies of regional metamorphism. The...area of study is 70 miles south-west of Ottawa, Ontario (Fig. 1), in Barrie and Clarendon townships. Miller |  | | Catalog/List | | sodium and iron California San Benito River, Gem mine Black prismatic xls imbedded in syenite CROSSITE...iron silicate California San Benito County, Gem mine Compact blue-gray mass with natrolite ..... . GRUNERITE...GRUNERITE Basic iron silicate Michigan Champion, Spons mine White-tan fibrous aggregates in magnetite with stilpnomelane...Dark green cleavages in andesite ........ . Canada Ontario, Verona ~rly pure dark greenish-black cleavable...manganese silicate New York Fowler, Arnold Tale mine Lavender prismatic crystalline mass ...... . LB |  | | Journal (article/letter/editorial) | | OH content of garnets with Raman spectroscopy ELIZABETH H. ARREDONDO* AND GEORGE R. ROSSMAN Division of...samples with lower H2O-contents. Spessartine-almandine garnets from the Rutherford no. 2 pegmatite all...absorbance and peak heights for the spessartine-almandine series (Rossman et al. 1988), for grossular (Rossman...description Forty-one grossular and ten spessartine-almandine garnets with OH concentrations previously determined...9 to 12 OH per formula unit. The spessartine-almandine garnets range from deep red (Sp45) to pale orange |  | | Report (edition) | | visiting those which are still open. The words "mine" and "quarry" are often used interchangeably in...localities. We have followed the convention of using "mine" only for sites that are chiefly underground workings...microcline feldspar, beryl, schorl (black tourmaline), almandine (garnet), and elbaite (pink, green, or blue tounnaline)...("pockets" or "vugs") where they tended to achieve greater clarity and perfection than other crystals of the...Schists locally contain crystals of dark-red almandine (garnet), ~hite to blue kyanite, gray or pink |  | | Journal (article/letter/editorial) | | CANADA &AUJUK tor \ l ' nm / m m J Hellln JWAXTOK y S*«HM GRAND, ISLE: L Jirrwowwux/ lot* llMt... £ J A N E T W. C A R E S 18 Singletary Lane Sudbury, Massachusetts 01776 MASSACHUSETTS Figure J....1910). At one time, jasper was mined at the Parrot mine (Chittenden Co.) on a small scale for use in colorful...adamsite * aegirine aegirine-augite allanite-(Ce) almandine anaicime ancylite andalusite ankerite annite anorthoclase...incorporated towns may be of the same name as the township or differ from it. The DeLorme Company's (1988) |  | | Journal (article/letter/editorial) | | gahnite in two new occurrences, Pala Chief and Elizabeth R composite dikes, California Adriana Heimann...Mg,Mn]Al2O4) in aplites of the Pala Chief and Elizabeth R layered pegmatite-aplite dikes, Pala District...% ZnO for Pala Chief, 37.2–40.2 wt.% ZnO for Elizabeth R), the MgO and MnO contents are negligible (<...by fast cooling. Compositional variations are greater within individual crystals than among crystals...pegmatite-aplite. Keywords Gahnite . Aplite . California . Elizabeth R . Pala Chief . Zoning . Evolution . Pala District |  | | Journal (issue) | | different yellow hue, confusing reflections from CZ’s greater dispersion, the difference in lustre, and the concern...quarter or third carat diamond master to a carat or greater size diamond requires considerable skill only obtained...effectively arrive at a colour grade of a carat or greater size diamond using carat size CZ masters than by...are sharp. The lengths of the pegmatites are no greater than 250 m and most consist of a marginal-external...important. Non-gem-quality crystals of beryl are of greater size and range from translucent or semi-translucent |  | | Journal (article/letter/editorial) | | the world-class saleeite specimens from the Ranger mine. The copper deposits in the Mount Isa–Cloncurry...P. Elliott. 1996. Minerals from the Spring Creek mine, near Wilmington, South Australia. Australian Journal...press. Connoisseur’s choice: Molybdenite, Allies mine, Deepwater, New England region, New South Wales...mines of the Mt. Isa district. Part 2—The Mt. Cobalt mine. Australian Journal of Mineralogy 1 (2): 17–23....An update on the mineralogy of the Spring Creek mine, South Australia, including the new species, springcreekite |  | | Journal (issue) | | were available for comparison tests, whether this greater hardness is due to the effect of colour staining...Reports another diamond found at the Murfreesboro mine. A sapphire with a colour change from green to light...occurrence of amethyst in Northern Rhodesia in a mine known as the Curlew Amethyst Deposit. Amethyst was...values are borderline figures for pyrope a n d almandine a n d are practically the same as for the rhodolite...Carolina. T h e absorption spectrum showed the usual almandine bands. Strong anomalous double refraction was |  | | Journal (article/letter/editorial) | | in spessartine-almandine garnets as a tracer of granitic pegmatite evolution ELIZABETH H. ARREDONDO,1...ABSTRACT The hydroxide contents of spessartine-almandine garnets from the Rutherford no. 2 (Virginia),...found in natural pyralspite garnets (pyrope, almandine, spessartine) to occur strictly as the OH species...Rossman 1984). Concentrations of OH in spessartine-almandine garnets, expressed as wt% H2O, range up to one...George Ashley Block pegmatite, and the Himalaya Mine. The Rutherford no. 2 pegmatite is a steeply dipping |  | | Show/Event (guide) | | Sperber, Dan Imel Registration Desk - Betty Fetter, Elizabeth Von Bacho, Jane Cooke Technical and Web Site Sttp-;nr5...occurrences exposed during highway construction, Hull Township, Gatineau County, Quebec. P. M. Bellev, R. Rowe...copper crystals at Mamainse Point, Lake Superior, Ontario. R. McDougall & D. K. Joyce. 3:00 A New Hampshire...zone assemblage from the Allah Cooper/Valcooper mine, Louisa County, Virginia. L. E. Kearns & M. D. Dunn...collecting. With a vast array of abandoned underground mine openings available, searching for specimens became |  | | Journal (issue) | | 187 Peñas Blancas: An historic Colombian emerald mine R. Ringsrud and E. Boehm 251 Book review 254...cameo carvings in garnet. The Hellenistic pyrope-almandine carving on the left (19.1×12.9 mm), probably Queen...Colombian emerald mine Ron Ringsrud and Edward Boehm Abstract: The Peñas Blancas emerald mine is part of Colombia’s...Peñas Blancas emeralds, and compares this historic mine to other famous producers in the region. Keywords:...located in the famous Muzo mining district. This mine has rarely been mentioned in gemmological literature |  | | Journal (issue) | | Groat, University of British Columbia, Vancouver, Canada; Thomas Hainschwang, GGTL Laboratories, Balzers...fall within the ranges expected for both pyrope-almandine (rhodolite) and pyrope-spessartine, with or without...and 3.87 ct garnets further indicated a pyrope-almandine composition with Pyr>Alm for both gems (cf. Hoover...Ocean Optics USB4000 instrument showed slightly greater absorption in the ~420 nm region of the 1.47 ct...had nearly identical spectra, except 3235 showed greater absorption in the violet range (near 400 nm). The |  | | Book (volume) | | Dick's deep concern for the fate of the Sterling mine in Ogdensburg, New Jersey, and his intense interest...interest in mining history led him to purchase the mine in order to form a living museum so that it would...mineralogical community. Through his efforts, the Sterling mine has been declared a national historic landmark....Angeles to Boston, as well as Toronto and Ottawa in Canada and Paris, France, proved to be invaluable sources...pegmatites. One book went so far as to claim that a greater variety of minerals are found in Oxford County |  | | Journal (article/letter/editorial) | | curator of vertebrate paleontology at the Royal Ontario Museum in Toronto, is an excellent writer; and...hadrosaur exhibit at the Royal 272 ROCKS & MINERALS Ontario Museum as examples, he shows how the common image...dealing mainly with the William son mine (now called the Mwadui mine), one of the most famous of all diamond...pink diamond pre sented to Princess Elizabeth (now Queen Elizabeth I I ) as a wedding gift and cut into...three species names most commonly mentioned are almandine, grossular, and spessartine. These minerals are |  | | Journal (issue) | | COMMUNITYCENTRE 2467EGLINTONAVE. EAST,TORONTO,ONTARIO (EASTERNTERMINUSOF THE SUBWAY) FOR INFORMATIONCALL...Prizes Displays Jewellery 406 - 7 Elizabeth St. N., Mississauga, Ontario, L5G 2Y8 (416) 278-5468 Publisher...Rock and Gift Gallery is located in Scarborough, Ontario (416) 439-2471 and showings are by appointment...and will host the Gem and Mineral Federation of Canada Show July 7 to 9. Held at the Cowichan Community...Vancouver Island, in Super-Natural British Columbia, Canada, it wil feature special displays of mineral specimens |  | | Report (Issue volume) | | GE and Economic Minerals of Canada PART A NUNC COCNOSCO EX PARTE THOMAS J. BATA LIBRARY TRENT UNIVERSITY...AND ECONOMIC MINERALS OF CANADA © Minister of Supply and Services Canada 1976 Available by mail from...Printing and Publishing Supply and Services Canada Ottawa, Canada K1A 0S9 or through your bookseller Catalogue...Catalogue No. M43-1/1976-1-7 Price: Canada: $8.00 ISBN 0-660-00553-0 Other countries: $9.60 Price subject..., Altona, Manitoba, Canada Contract No. OKX6-0236 GEOLOGICAL SURVEY OF CANADA ECONOMIC GEOLOGY REPORT |  | | Journal (article/letter/editorial) | | I N E S T S P E C I M E N S O F spessartine, almandine, microcline, and beryl ever found in North America...quarries, Avondale; Leiper's quarry, Springfield Township; and Deshong's quarry, Ridley-Nether Providence...were located in Avondale (now Swarthmore), Ridley Township. Leiper's residence "Strathaven" (4) on Avondale...Leiper and Lewis quarry) was located in Springfield Township (5). veloped on this property. Gordon (1922)...July-August 1983.) 110 ROCKS AND MINERALS Elizabeth, and later to his sons George G . , Samuel M |  | | Journal (issue) | | However, these lower values can be attributed to a greater amount of organic /less X-ray absorbent material...from Digby, Nova Gemology, 23(4), 208-21 Scotia, Canada. Canadian Gemmologist, 25(1), 18-29 Gutmannsbauer...found in a wide range of colours. Red pyrope and almandine are probably the most common and most widely used...16°S Barra doCuieté -0~ Beio Horizonte ü Romaria Mine Minas Gerais Figure 1: Maps of parts of Brazil...pyrope, almandinepyrope, almandine-spessartine, spessartine, spessartine-almandine, grossular and the gem-varieties |  | | Journal (issue) | | securing increased brilliancy" and a 2.68 ct old mine cut with a concave table is shown in Gems & Gemology...considered, but an alternative method which gave greater flexibility was developed using a normal machine...Emeritus, Royal Ontario Museum, Canada 2. Department of Earth Sciences, Royal Ontario Museum, Canada ABSTRACT:...and suggestions from my colleagues in the Royal Ontario Museum Dr Robert Gait and Dr J.A. Mandarino. We...refraction divergence Richard Cartier Toronto, Canada ABSTRACT: A problem endemic in the field of gemmology |  | | Catalog/List | | ___ 2x2£3 ___ - -----~ - ~014_ _ 88 ADAMITE Ojuela Mine, Mapimi, Mexico 69 ALUMOHYDROCALCITE South Bay,...- ·---- -- -- -- --- --3 m AGRELLITE Villedieu Township, Kipawa, River Quebec, Can 1098 ANALCITE Bratthagen...- - --··---- - - - - - · . 767 AJOITE Christmas Mine, Gila County, Arizona USA 17 ANAL CITE Talisker...North Sweden 501 ALLOPHANE New East Whcal Russell mine, Devon ,England variety VIRIDINE (Mangan rich variety)...95 ■ ANDALUSITE Cabracao, Minho, Portugal 477 ALMANDINE Altai, Xonjiang, VR. China Quite rich pink masses |  | | Journal (issue) | | United States: Historical Notes on the Sterling Mine, Antwerp, Jefferson County, New York by Steven Chamberlain...HISTORIC MINERAL FEATURE Joseph Wharton and His Gap Mine: The Founding of the American Nickel Industry by...millerite, col lected in the l 980's Crom the Sterling Mine dumps. The spray is 13 mm. high. Chamber lain collection...discovery of vast deposits in New Caledonia and Sudbury, Ontario, in the latter part of the century. As the...rapid expansion in ore re covery at Sudbury took place. Sudbury entered the realm of scientific contro |  | | Book | | Amos, Clifford J. Awald, Steven Bryson, David B. Dill, Jr., Robert M. Eaton, Donald W. Fisher, William........................... 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........................... |  | | Journal (issue) | | n d to the east of the well-known U m b a River mine producing pastel shades of gem corundum. T h e precise...colour) are possibly d u e to the iron of the almandine garnet molecule. Initial consideration of t h...spessartine garnet with minor amounts of the almandine molecule. However, t h e refractive index is near...evidence for the presence of F e 2 + as in the almandine molecule. W e give, therefore, two possible interpretations...PERCENTAGE O F END-MEMBERS Pyrope Spessartine Almandine Andradite Grossular Uvarovite Ca 3 V 2 Si 3 Oi |
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