 | | Journal (issue) | | Famous mineral localities: Volodarsk-Volynski, Zhitomir Oblast, Ukraine . . . . . . . . . ....the “Dnieper Rocket”), and 14 cm, from Volodarsk-Volynski, Ukraine. See the article on this locality beginning...uncanny ability for prospecting and mining gem pegmatites, succumbed to complications from malaria, leaving...large gap in the ranks of pegmatite miners. But pegmatites occupied his attention for only the last half...Ordway (1935–2007), was a lesson in how to mine pegmatites. He discovered new productive pockets yielding |  | | Report (issue) | | Topaz from Utah's Maynard Mine RYAN BOWLING 26. Volodarsk-Volynski PETER LYCKBERG 30. Japanese Topaz ALFREDO...that about 80 percent are pegmatites. A summary of topaz occurrences in pegmatites is given by Simmons (2007)... and quartz, with inclusions of margarite and fluorite. volcanic deposits should be drier and shallower...wetter. However, a study of topaz from rhyolites, pegmatites, greisens, and hydrothermal veins by Foord et...alkali elements. If the calcium content is high, fluorite will form instead of topaz. Water contents in |  | | Book | | Precambrian deposits continued to be discovered in the Ukraine into the 1950s and 60s, when new types of radioactive...form, utilized by numerous bodies of granitic pegmatites. Young faults include flat-lying thrusts, extended...from 0.3 to 1.2 m. Quartz-rich vein cores contain fluorite nests and muscovite patches. Oreisens from vein...variable compositions of quartz, muscovite and fluorite. Molybdenite occurs in isolated segments. The...its exposed surface consists of medium-grained fluorite-muscovite-quartz greisens, within which are preserved |  | | Journal (article/letter/editorial) | | -melt inclusions i n the minerals of granites and pegmatites (Bakumenko and Kosukhin, 1977; Reyf, 1978; Chupin...inclusions have been examined in quartz, topaz, fluorite, and beryl. The water phase in these inclusions...rhyolites, 0.5-6.9 for granites, and 9-10 wt % for pegmatites. There are significant variations f o r the pressure...granites of Yugodzyrsk Massif, Mongolia Topaz, Volyn' pegmatites 900 2.4 0.9 910 860 2.6 3.5 2.2 500...Nigerian pegmatites, West Africa guartz, granites of Barguzin Complex, Eastern Baykalia Fluorite, granites |  | | Book | | Lanka; Jos plateau, Nigeria; Volyn district, Ukraine, and numerous pegmatites throughout the world. Brown...topaz rhyolites in western USA, and Mexico. Many pegmatites throughout the world. Chapter 1 Topaz - Historical...During Pliny's time the Romans also mined jet and fluorite in England, in addition to tin. The metal is not...cut gems) derive from what are called mesozonal pegmatites (see Chapter 9). These formed where conditions...A 117 kg crystal was obtained from the Volyn district, Ukraine in 1966 (Milovsky and Kononov, 1985). Orcioli |  | | Journal (article/letter/editorial) | | enriched in molybdenite or wolframite, beryl, fluorite and other minerals that rarely occur in unaltered...2), K-feldspar (No. 5), muscovite (No. 1), and fluorite-like fine particles (No. 2). Sodium-rich phases...identified in topaz-hosted MI previously in the Volyn’ pegmatites (Lemmlein et al. 1962) and in the Akchatau...MI from granites containing magmatic topaz or fluorite and is thought to be caused by the reduced viscosity...Investigation of the Formation of Rare-Metal Lithium–Fluorite Granites. Nauka, Moscow, Russia (in Russ.). KUTATELADZE |  | | Report (issue) | | on a {111} cleavage fracture in n pale-colored fluorite crystal from a vug, which trapped an immiscible...and brine (colorless). Recrystallization of the fluorite walls of the fracture to isolate individual inclusions...refraction of the oil is much closer to that of fluorite. Small irregular masses of dark-brown bircfl'ingcnt...69-3, Hill mine, Cave-in-Rock, southern Illinois fluorite-zinc distt·ict. LOWER LEFT: Photomicrograph of...Photomicrograph of a large primary inclusion in zoned purple fluorite crystal from a vug. The crystal grew from bottom |  | | Journal (issue) | | Lees (USA) Yuriy B. Marin Vladimir I. Pavlishin (Ukraine) Igor V. Pekov Pavel Yu. Plechov Dmitriy Yu. Pushcharovsky... 13. Fluorite . 7.5 x 7 cm. Derbyshire, England. VSGM #MN-17789. 14. Galena, quartz, fluorite. 6.5 x...Germany and ruin marble from Florence, Italy, fluorite from the famous Blue John Mine in Derbyshire,...crystal in orite deposit. Why didn't I ask for such fluorite specimens and kept rock), three emerald specimens...us to take samples. Then regular searches for pegmatites began in Yitosha, which could be reached from |  | | Journal (issue) | | Mineralogy and paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California...Montreal, Quebec, Canada H3A 2A7 he Little Three pegmatites have yielded superb orange large blue topaz c...Mursinka-Alabashka District, Urals, and the Volyn pegmatites in the Ukraine, U .S.S.R . Little Three topaz also...also rivals much of the topaz produced from pegmatites in the state o f Minas Gerais, Brazil, and St. A...- A p r il, 1 9 8 9 HISTORY The Little Three pegmatites were discovered in May of 1903 by H. W. Robb |  | | Report (issue) | | Pegmatity Ukr. 1-138 (1979). Analyses (4; from Ukraine pegmatites. AMESlTh. Giese, (Clays Clay Miner. 2«, tfl-bb...Pegmatity Ukr. 1-138 (1979). Analyses (3) from Ukraine pegmatites. APATITE. Smith, Mineral. Pa. 36-45 (1978)...12, 117350 (1980). Morphology of crystals from Ukraine carbonatites. BAUDELEYITE. Liu, (Earth Planet....Pegmatity Ukr. 1-138 (1979). Analyses (5) from Ukraine pegmatites. BERYL. Scandale et al., (J. Appl. Crystallogr...Ukr. 1-138 (1979). 39 Analyses (2) from Ukraine pegmatites. BIOTITE. Sakuyama, Bull. Volcano!. 41, 501-512 |  | | Report (issue) | | Analyses (4) from contact aureoles of pollucite pegmatites. AMPHIBOLE. Kwak and Askins, Econ. Geol. 76,...314, 1-82 (1981). Analyses (1) from Erajarvi pegmatites, Finland. Optics, unit cell. Contains Bi 10.5%... Finl., 314, 82 p. (1981). Analyses (3) from pegmatites, ErajaYvi area Finland, x-ray data, a 8.712,...and Mossbauer study of vari-colored beryl from a fluorite-beryl-phenakite deposit. BERYL. Schmetzer and...314, 1-82 (1981). Analyses (1) from Erajarvi pegmatites, Finland. Optics, unit cell, a 8.136, b 7.797 |  | | Journal (issue) | | in K-feldspar. Green orthoclase from granitic pegmatites in Minh Tien, Vietnam, very rarely shows chatoyancy...topaz is associated with aquamarine in granitic pegmatites and related secondary deposits. Recently, there...19 wt.% F, consistent with topaz formation in pegmatites and greisens (Hoover 1992). Mining of this Vietnamese...obtained by heating greenish yellow beryl from Ukraine, such as those samples shown at the bottom of the...above. Upon extended irradiation, as occurs in pegmatites containing K-feldspar, the Fe2+ions in all dark |
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