 | | Report (issue) | | 8.891(5) Z=1 X-ray Powder Pattern: Mungenyi pegmatite, Uganda. 8.92 (100), 3.73 (65), 3.25 (55), 4...100.00 (1) Mungenyi pegmatite, Uganda; recalculated to 100% after removal of albite and quartz impurities;...complex granite pegmatite (Mungenyi pegmatite, Uganda) and the sericitic matrix of a quartz sandstone (Sebungwe...Association: Uganda). Muscovite, albite, quartz, phosphuranylite, grayite, zircon (Mungenyi pegmatite, Distribution:...Distribution: From the Mungenyi pegmatite, about 65 km southwest of Mbarara, Ankole district, Uganda. In the Sebungwe |  | | Journal (article/letter/editorial) | | Sergeant, and K. L. H. Murray on concentrates from Uganda and Rhodesia gave, resp., UOB 56.2,55.0; PzOs 14...from Uganda gave SiOz 1.37a. AII the silica in the first analysis was therefore deducted as quartz and...material was on a sample containing microcline and quartz, but the amount of K feldspar was not known; the...that of metatorbernite. The strongest lines (Ankole, Uganda) are 8.92 (100)(001), 3.73 (65)(102), yielda...1100} sometimes distinct. Uniaxial, neg., o:1.580 (Uganda), :1.583 (Rhodesia), both *0002. Fluorescesyellow-green |  | | Journal (issue) | | the Kilsyth Coking Coal in the Glasgow-Stirling region, by l, H . Forsyth, B;Sc., and W. A. Read, B.Sc... 55 VII.-Beryllium minerals from Rhodesia and Uganda, by M. J. Gallagher, B.Sc., Ph.D., and J. R. Hawkes...Fro. 8. FIG. 9. I Sketch map showing geology of western end of the Criffcll granodiorite Geological map...mineral veins and a nticlinal belts within the western Southern Uplands Fro. 3. Fro. 4. II Location...Euclase with numerous inclusions of quartz. Namherere Mine, Aokole, Uganda A vein in massive skarn composed |  | | Book | | York Laufer B (1913) Notes on turquois in China. Field Mus Nat Hist (Chicago) Pub, Anthropol Ser 13 (1)...phosphorus handbook. Wiley. New York Moore PB (1982) Pegmatite minerals ofP(V) and B(III). Mineral Assoc Can...California. The associated minerals include witherite, quartz, fluorapatite and sanbornite Optical Constants:...Mode of Occurrence: Occurs in large masses in pegmatite at several mines in the Custer-Pringle area, Custer...Pennington County, South Dakota. Also found in pegmatite at Chanteloube, France; Buranga, Ruanda; Varutrask |  | | Book (edition) | | authors and a stud) of recent literature in the field of mineralogy. Current encyclopedic books mostly...very old origin, often without lrnown source. e.g. quartz or cinnabar. Current practice most often names...polished mineral surface, expressed in clase. 7 - quartz. 8 - topaz, 9 - corundum, 10 - dia- percentage...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided |  | | Book | | fibrous radiating structure. Opposite: gold on quartz from California. CONTENTS INTRODUCTION 7 THE...metamorphic rock, and in sea water. Auriferous quartz is a major source for gold and occurs in hydrothermal...Localities. Apart from South Africa, Above: Gold on quartz from California. Such a specimen would command...gold visible Left: Another fine example of gold on quartz, also from California gold is found in Rhodesia...and Ballarat, Victoria and from Kalgoorlie in Western Australia. In the USA gold is often obtained by |  | | Book (edition) | | for all amateur mineralogists and students in the field. Jacket photo: (Top) sulfur, Sicily, 14cm; (top...Calcite Fluorite Apatite 6 7 8 9 10 Orthoclase Quartz Topaz Corundum Diamond In a few descriptions we...crystallize with right- or left-handed forms (e.g., quartz). epitaxy Overgrowth of one crystal on another...(4) fluorite, (5) apatite, (6) orthoclase, (7) quartz, (8) topaz, (9) corundum, (10) diamond. monochromatic...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing | | | Book (edition) | | for all amateur mineralogists and students in the field. Jacket photo: (Top) sulfur, Sicily, 14 cm; (top...Calcite 4 Fluorite 5 Apatite 6 7 8 9 10 Orthoclase Quartz Topaz Corundum Diamond In a few descriptions we...crystallize with right- or left-handed forms (e.g., quartz). epitaxy Overgrowth of one crystal on another...(4) fluorite, (5) apatite, (6) orthoclase, (7) quartz, (8) topaz, (9) corundum, (10) diamond. monochromatic...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing |  | | Book (edition) | | felt that the abundance of recent data in this field precludes.any fair treatment of it in a compilation...Calcjte 4 Fluorite 5 Apatite 6 Orthoclase 7 8 9 10 Quartz Topaz Corundum Diamond In a few descriptions we...crystallize with right- or left-handed forms (e.g., quartz). epitaxy Overgrowth of one crystal on another...(4) fluorite, (5) apatite, (6) orthoclase, (7) quartz, (8) topaz, (9) corundum, (10) diamond. monochromatic...of weakness caused by deformation or twinning. pegmatite Very coarse-grained granitic rock representing |  | | Book | | photographs on the cover Editor Robert F. Martin Quartz, variety amethyst, sceptre habit, Denny Mountain...Publisher Info 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo...Printing AGMV Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia...except for: Boulangerite, Fluorite, Hematite, Smoky Quartz and Riebeckite / Royal Ontario Museum collection...(flatland), Old High German and Old English feld (field) to feldspar. — Generalized scheme of language |  | | Book | | of improving communication over a very complex field. Most of the important current literature appears...make commercial assessments that are outside the field of the laboratory mineralogist. But the two professions...the metal ruthenium. This photograph, made with a field-ion microscope, shows a tiny area of the crystal's...cristobalite (found only in volcanic lavas), tridymite, quartz, coesite and stishovite (found only in the impact... CLASSIFICATION Right: Magnesite crystals growing on quartz, a framework silicate a great variety of physical | | | Book | | in recent years, with the purpose of improving field. over a very complex communication Most of the...make commercial assessments that are outside the field of the laboratory mineralogist. But the two professions...the metal ruthenium. This photograph, made with a field-ion microscope, shows a tiny area of the crystal’s...stishovite lavas), (found tridymite, only quartz, in the coesite impact areas and of meteorites...melilite CLASSIFICATION Right: Magnesite | quartz, a } MINERALS. if the mineral low the latter |
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