 | | Book (edition) | | with all The color of most opaque minerals is white or gray in possible intermediate gradations. Luster...well balanced selection of mineral localities was central to the authors' effort. We took into consideration...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...repeated changes of administrative divisions in central and eastern Europe during the last 60 years are...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided |  | | Book (volume) | | rises abruptly into the 6,000 sq. mi. Black Hills region enclosed by the Belle Fourche and Cheyenne rivers...the core of the Black Hills region. Two divisions are recognized: the Northern Section, centered in lead...a somewhat larger area around Harney Peak. The northern section is characterized by vein deposits, while...Fluorapatite (fluorescent orange). BUFFALO GAP, entire region W 37 mi. to the WY line, in stream gravels, cut...dump 5 mi. SE Barbosalite, exceptional reddish-violet crystals of Metastrengite, showy black and gold |  | | Journal (issue) | | Association: The Gemmological Association of Australia. THE JOURNAL OF GEMMOLOGY A N D P R O C E E...the gem LTHOUGH the gem species of Western and Northern Canada are are fairly numerous, only a few few...been made. In the the more accessible parts of Northern Manitoba, for instance, pegmatite dykes and sills...yellowishgreen masses, in association with a fibrous white tremolite, on Texada Island, B.C. (Malaspina Copper...quality) on Prince of Wales Island, Alaska (U.S. Territory) ; and similar material occurs on the neighbouring |  | | Book (volume) | | (Licking Co.) and Zanesville (Muskingum Co.), a region of rolling, wooded hills. Here, prehistoric Indians... ROSS COUNTY CHILLICOTHE, W several mi., in a region exposures of blue clay, as large masses⎯ Pyrite...valley of the Tuscarawas R. from Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON...Sec. 9⎯flint; d townships of Richland (Sec. 1, central part along an abandoned rd.), Wilkesville, Vinton...south and east of the Wichita Mts. and in the central counties of Comanche, Kiowa, Stephens and Tillman |  | | Book (volume) | | (Licking Co.) and Zanesville (Muskingum Co.), a region of rolling, wooded hills. Here, prehistoric Indians... ROSS COUNTY CHILLICOTHE, W several mi., in a region exposures of blue clay, as large masses⎯ Pyrite...valley of the Tuscarawas R. from Bolivar to Zoar Station, as nodules in limestone outcrops⎯flint. VINTON...Sec. 9⎯flint; d townships of Richland (Sec. 1, central part along an abandoned rd.), Wilkesville, Vinton...south and east of the Wichita Mts. and in the central counties of Comanche, Kiowa, Stephens and Tillman |  | | Book (edition) | | (quartz) Artificially tinted green marble Red garnet Violet sapphire Pink sapphire Yellow sapphire Brown synthetic...Scheelite Sellaite Stolzite Synth. Rutile Tugtupite Vesuvianite Wardite Wulfenite Zircon Cuprite Demantoid Diamond...Tinzenite 64-7 GGG 6% Magnesio-Axinite 6 % Nambulite Vesuvianite Cassiterite Clinozoisite Epidote Hancockite Pyrolusite...Tinzenite Tanzanite Triphylite Dickinsonite Vesuvianite Bustamite Sérandite Manganaxinite Epidote Hemimorphite... yellow, green, blue, violet). The mixture of all these colors produces white light. If, however, a certain |  | | Book (edition) | | are used in fashioning gemstones. absorption. (a) White combination light (blending) hues of the spectrum...is due to the absorption of certain portions of white light in its passage through the gemstone. The remainder...selective reflection. (b) The exact portions of white light which are absorbed by a gemstone or other... polishing any tone See achromatic color. White, of neutral black, or gray, agent. adductor...or adularia) that exhibits a floating, billowy, white or bluish light effect in certain directions as |  | | Book (edition) | | Variscite 196 184 Epidote 184 Hemmimorphite 198 Vesuvianite 186 Smithsonite 198 Sinhalite 186 Sphalerite...crystal Blue alexandrite Pink spinel Blue or violet sapphire Blue moonstone Artificially blue-tinted...green limestone Red garnet Oriental amethyst Violet spinel Oriental hyazinth Palmyra topaz Pink...(spectral colors: red, orange, yellow, green, blue, violet). Crystal step with amethyst; Mexico (somewhat...reduced). The mixture of all these colors produces white light. If, however, a certain wavelength (i.e., |  | | Book (edition) | | (quartz) Artificially tinted green marble Red garnet Violet sapphire Pink sapphire Yellow sapphire Brown synthetic...Sellaite Stolzite Synth. Rutile Thorite Tugtupite Vesuvianite Wardite Wulfenite Zircon hexagonal Goshenite...7-74 7-7% 7-74 7-7% 7-74 7-7% 7-7% 7-7% 7-7% Vesuvianite Cassiterite Clinozoisite Epidote Hancockite Pyrolusite...Tinzenite Tanzanite Triphylite Dickinsonite Vesuvianite Bustamite Sérandite Manganaxinite Epidote Hemimorphite... yellow, green, blue, violet). The mixture of all these colors produces white light. If, however, a certain |  | | Journal (article/letter/editorial) | | of calc-silicates formed (diopside, titanite, vesuvianite, garnet, and allanite), throughout the granite...forming metasomatic minerals (i.e., titanite, vesuvianite) and the crystallization of HFSE-REE minerals...several common minerals such as titanite, garnet, vesuvianite, and zircon [2–6]. The wide variety of calc-silicates...variety of calc-silicates (diopside, titanite, vesuvianite, garnet, and epidote group minerals) formed during...tourmaline (Tur) (E)Endoskarn. Endoskarn. (F) Vesuvianite‐garnet (Cpx‐Grt) exoskarn with calcite veins |  | | Journal (issue) | | belonged to mining companies based in the Brad region. Today, it is owned by S.C. “MINVEST” S.A. Deva...more than 2000 year old mining activity in the region. 2. Collections and exhibitions The expositional...(about 80% of the specimens originate in the Brad region, especially Musariu and Brădişor deposits). The...seems that gold mining activity over the present territory of Romania dates from about the same time with...in the extraction of precious metals from the Central and South-East Europe, between 1920 and 1948. The |  | | Book | | Distributed in Australia by Rigby Limited 30 North Terrace, Kent Town Adelaide, South Australia 5067 Printed...individual faces intersect. These angles sodium, white balls — — called space angles — are identical in...different colours, such as blue salt, and yellow, pink, violet or brown quartz. Fluorspar can exist in almost...green in sunlight whereas in artificial light it is violet. There are also minerals whose crystals change...citrine or gold brown topaz may be obtained from the violet amethyst by heating. Diamonds, rubies and sapphires |  | | Book (edition) | | 2P' ; rutile cassiterite anatase zircon vesuvianite apophyllite =? IF ditetragonal i TT dipyramid...only the silicon ions are shown black, gray and white circles represent ions with : different structural...rubbing the mineral against a piece of unglazed white porcelain. Some minerals have specific optical properties...range; scheelite is always fluorescent in the blue-white range except when it contains molybdenum, in which...polarizing microscope: greenish-yellow (left), bluish-violet (center), Prussian blue (right). the light rays |  | | Book (edition) | | Birds— R.T. Peterson 21. Birds' Nests Borror e) White e0 Chalif (east of Mississippi River) Harrison...Fishes— Eschmeyer, Herald, &) Hammann Beetles— White 30. Moths— Covell 22. Pacific States Wildflowers...Kricher et? Morrison Birding by Ear: Eastern and Central Walton et? Lawson Advanced Birding Kaufman Medicinal...the fifties assisted with some tedious black and white photographic chores. In this edition, we are primarily...the Arizona Bureau of Mines, the Arizona Sonora Desert Museum, the Canadian Museum of Nature, Yale's Peabody |  | | Book | | contactmetasomatic mi neral s originate (eg vesuvianite, magnetite, pyrrh otite and chalcopyrite} . If...represented by a set of standard m inerals producing a white 0 Mohs typical mineral determination of hardness...instance, fluorite may be colourless, white, blue, green, yellow or violet. However, there are many other minerals...chlorite - green, azurite - azure blue, albite - white. Colours of other minerals have become characteristic...alexandrite is green in sunlight, whereas it is rose-violet in artificial light. There are also minerals which | | | Book | | so-called contactmetasomatic minerals originate (eg vesuvianite, magnetite, pyrrhotite and chalcopyrite). lf...represented by a set of standard minerals producing a white ’ quantitative proportion Rosiwal ° 100 1000...instance, fluorite may be colourless, white, blue, green, yellow or violet. However, there are many other minerals...chlorite — green, azurite — azure blue, albite — white. Colours of other minerals have become characteristic...alexandrite is green in sunlight, whereas it is rose-violet in artificial light. There are also minerals which |  | | Book (edition) | | and Their Related Families of Northeastern and Central North America by Boughton Cobb 11. A Field Guide...Guide to Trees and Shrubs (Northeastern and Central North America) by George A. Petrides 12. A Field Guide...Guide to Wildflowers of Northeastern and North-central North America by Roger Tory Peterson and Margaret...North of Mexico by Donald J. Borror and Richard E. White 20. A Field Guide to Mexican Birds by Roger Tory...the tedious photographic chore of the black and white photographs, and the author did most of the color |  | | Book | | to an ultra-violet pioneer S. WARREN of San Gabriel, California President, Ultra-violet Products, Inc...Beyond question, development of no name ultra-violet Thomas S. Warren. has been so closely mineral-locating... The late O. C. Smith and Professor Charles E. White of the University of Maryland lent authoritative...Base Mineral Corporation. David Grigsby, of Ultra-violet Products, Inc., deserves special commendation for...Fluorescent color RED BROWN ORANGE YELLOW GREEN BLUE WHITE 26 CHARTS Chart begins at page 26 34 36 48 66 | | | Book | | an ultra-violet pioneer THOMAS S. WARREN of San Gabriel, California President, Ultra-violet Products...closely identified with the development of ultra-violet mineral-locating techniques as that of Thomas S... The late O. C. Smith and Professor Charles E. White of the University of Maryland lent authoritative...Base Mineral Corporation. David Grigsby, of Ultra-violet Products, Inc., deserves special com- mendation...BROWN 34 ORANGE 36 YELLOW 48 66 GREEN BLUE WHITE 76 84 WHAT CONTAINS BOOK COLLECTOR FORSIHE |  | | Book (edition) | | the tedious photographic chore of the black and white photographs, and Leon Boltin did the color work...(Pyrope), Garnet (Almandine) 293 39 Idocrase (Vesuvianite), Zoisite, Allanite (Orthite), Zircon, 300 Datolite...pyrite would receive the number 2911—6. Paint a neat white rectangle on an inconspicuous place on the back...Heidelberg) should be adjusted so that the flame is blue-violet, with a bright inner cone of blue unburned gas...Platinum wire (27 gauge) Forceps Magnet Unglazed white tile Set of hardness points or minerals of the |  | | Book | | addressed LO: Amber Books Lld BraWhite Lion SlreeL London NI 9PF www.amberbooks.co.uk ISBN-13:...for most silicate minerals as they are usually white and often too hard to powder easily. Quartz has...(Arizona), Tsumeb (Namibia) and Surra Burra (Australia). C Cu Colour: light rose-red on fresh surface... USA) and Cobalt (Canada). Ag Colour: silver-white Lustre; opacity: metallic; opaque, highly reflective... and one of 93kg (2051b), found in Hill End (Australia). Gold is found in igneous rocks, often associated | | | Book | | addressed LO: Amber Books Lld BraWhite Lion SlreeL London NI 9PF www.amberbooks.co.uk ISBN-13:...for most silicate minerals as they are usually white and often too hard to powder easily. Quartz has...(Arizona), Tsumeb (Namibia) and Surra Burra (Australia). C Cu Colour: light rose-red on fresh surface... USA) and Cobalt (Canada). Ag Colour: silver-white Lustre; opacity: metallic; opaque, highly reflective... and one of 93kg (2051b), found in Hill End (Australia). Gold is found in igneous rocks, often associated |  | | | | metacinnabarite 13 meyerhofferite 54 mica group 104 mica, white 104 microcline 112, //3 millerite 12, /2 mimetite...uranotile 84, 85 vauquelinite 63 verdelite 96 vesuvianite 88, 88, 89 violan 96, 97 vivianite 69, 70 voltaite...plata; hence the name platinum. Coloured silver white, it is always found in igneous rocks rich in magnesium...Precambrian Shield area of central Canada and the northern United States (especially northern Michigan), the Rocky...Rocky and Andes mountains, and central Africa. Excellent examples occur at Bogoslovsk in the Urals and |  | | Book | | metacinnabarite 13 meyerhofferite 54 mica group 104 mica, white 104 microcline 112, /13 millerite 12, /2 orpiment...variscite 69, 70 vauquelinite 63 verdelite 96 vesuvianite 88, 88, 89 violan 96, 97 vivianite 69, 70 voltaite...plata; hence the name platinum. Coloured silver white, it is always found in igneous rocks rich in magnesium...Precambrian Shield area of central Canada and the northern United States (especially northern Michigan), the Rocky...Rocky and Andes mountains, and central Africa. Excellent examples occur at Bogoslovsk in the Urals and | | | Book | | metacinnabarite 13 meyerhofferite 54 mica group 104 mica, white 104 microcline 112, 113 miJlerite 12, 12 mimetite...variscite 69, 70 vauquelinite 63 verdelite 96 vesuvianite 88, 88, 89 violan 96, 97 vivianite 69, 70 voltaite...Precambrian Shield area of central Canada and the northern United States (especially northern Michigan), the Rocky...Rocky and Andes mountains, and central Africa. Excellent examples occur at Bogoslovsk in the Urals and...plata; hence the name platinum. Coloured silver white, it is always found in igneous rocks rich in n1agnesiun1 |
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