| Supergene Zone of a Southern Urals Pyrite Deposit, Russia Nikita B. Sergeyev a a Institute of the Geology...Geochemistry , Russian Academy of Sciences, Moscow, Russia Published online: 06 Jul 2010. To cite this...Supergene Zone of a Southern Urals Pyrite Deposit, Russia, International Geology Review, 35:12, 1149-1165...Supergene Zone of a Southern Urals Pyrite Deposit, Russia 1 NIKITA B. SERGEYEV Institute of the Geology of...Geochemistry, Russian Academy of Sciences, Moscow, Russia Downloaded by [University of Illinois at Urbana-Champaign] |
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(2011) Mineral Observer. Mineralogical Almanac Vol. 16 (2) |
Journal (issue) |
| 2011 t Mineral Observer Mineral News from Russia and Beyond Mineralogical Alamanac volume 16, issue...5-900395-34-0 Published with support: Lomonosov Moscow State University Russian Geological Society Musee...Mineral News from Russia and Beyond. Mineralogical Almanac, volume 16, issue 2, 2011. Moscow: Mineral-Almanac...News from Rubtsovskoye deposit and recent finds in Moscow region have included in the issue. Project Leader...crystals cluster, 3.0 x 1.8 cm. Rubtsovskoe, Altai, Russia. Specimen: Russian Minerals Ltd. Photo: Michael |
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Znamenskiy, V. S. (1990) ZONING OF ALTERATION AROUND SOLFATARAS OF THE KURILE VOLCANOES. International Geology Review, 32 (7) 683-691 doi:10.1080/00206819009465810 |
Journal (article/letter/editorial) |
| Geochemistry [IGEM] of the USSR Academy of Sciences, Moscow) International Geology Review 1990.32:683-691...clay-rnineral-dominated zones. Vertically, shallow sulfur-opal assemblages in the inner zones are replaced at depth...contents of metallic cations, i.e., the condensate is an ultra-acidic solution. Usually, the condensates of...(according to [13] and data for Iturup) and, with an increase proportion of water, a pH of 9. The ratio...temperatures leads to an increase in the concentration of SO4 " in solution and an increase in H2S within |
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Brockett, Ron (1975) The Moscow Opal Mines 1890-1893 - The First Commercial Opal Mines in the United States (2nd ed.) |
Book (edition) |
| ■ THE MOSCOW OPAL MINES 1890 to 1893 (The First Commercial Opal Mines in the Ujiiled States) Mon Brockett...OPRL $3.00 . ■ The Moscow Opal Mines—1890 to 1893 (The First Commercial Opal Mines in the United States)...United States of America U.S.A. OPAL COUNTRY (Precious Opal near towns located on map) OPALS "found...COlFA* -rftO Y PjiLtiM • GtntSEE • LSi/is to'v LOST OPAL MINE on "high hill opposite Lewiston, Idaho." Discovered...TH^ HOSCOW OPAL MIA/e? The opal is about 3/8 of an inch in diameter and from the Moscow area. The stone |
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Voudouris, Panagiotis, Karampelas, Stefanos, Melfos, Vasilios, Graham, Ian - Eds. (2020) Mineralogy and Geochemistry of Gems. MDPI. doi:10.3390/books978-3-03928-077-3 |
Book |
| in Adamello Massif, Central Southern Alps, Italy: An Investigation of Its Mineralogy, Crystallography...Meta-Ultramafites of Ilmen Mountains, South Urals of Russia: Evidence from Mineralogy, Geochemistry, Rb-Sr...Anorthosites-Kyshtymites from the South Urals, Russia: A Combined Mineralogical, Geochemical, and U-Pb...and Allan Pring A Review of the Classification of Opal with Reference to Recent New Localities Reprinted...collaborative research projects worldwide. Ian Graham is also an Associate Editor of Mineralogical Magazine and the |
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(2011, Summer) InColor 17. International Colored Gemstones Association |
Journal (issue) |
| Rings in white gold and diamonds with Ethiopian opal center stones by Van Cleef & Arpels. (Photo: Van... ISSN: 1158934X To Subscribe to InColor, send an email to: ica@gemstone.org www.gemstone.org he...artisanal and small-scale mining, and have consolidated an investment trend in colored gemstone mining by publicly-traded...the same time, the jewelry and gemstone market in Russia is gradually moving from low-priced colored stones...jewelry shows in Russia, I was impressed by the high spending mood prevailing in Moscow. It is clear that |
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(2001, April) Gems & Gemology Vol. 37 (1) Gemological Institute of America |
Journal (issue) |
| Red Beryl from the Institute of Crystallography, Moscow James E. Shigley, Shane F. McClure, Jo Ellen Cole...“Rainbow” obsidian • New production of Indonesian opal • Australian prehnite • “Yosemite” topaz • Tourmaline...TGMS highlights • Vesuvianite from California • Opal imitations • Green flame-fusion synthetic sapphire...articles and lectures on gem identification. He is also an editor of the Gem Trade Lab Notes section. Chicago...on HPHT-enhanced diamonds. Johann Ponahlo has been an independent research associate at the Museum of Natural |
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(2015) The Journal of Gemmology Vol. 34 (6) Gem-A |
Journal (issue) |
| Feature Articles 490 Green-Luminescing Hyalite Opal from Zacatecas, Mexico By Emmanuel Fritsch, Peter...colour appearance of this rough and cut hyalite opal from Zacatecas, Mexico, is due to its green daylight-induced...Photo by Orasa Weldon. 532 Conferences Sinkankas Opal Symposium|AGA Las Vegas |
Mallorca GemQuest |
Scottish...designed to fit an accessory for liquid nitrogen immersion of the sample, which is an important capability...Spinel In May 2015, GRS GemResearch Swisslab issued an alert informing the trade about a new colour enhancement |
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Fullerton, W. Y. (1890) God's Jewels - Their Dignity and Destiny. American Tract Society, New York. |
Book |
| the illustrations, imperfections, have pages, I an I as are not sought index they to the surpassing... as are He who sits upon And a II unto and an earth’s riches for His highest value faith in...as the jewel in too rich sun, banners. will an Ethiop’s for use, shines, she be ear, for earth...fair as dear!” the moon, and clear terrible as an army with of Holiness. The Beauty in addition...seen words fail of.” a has in viewed is just an faint with its outside immense in the in them: |
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(2016) Jewel - A Celebration of Earth's Treasures. Dorling Kindersley Limited, London. |
Book |
| 142 144 146 150 152 154 Gold and power Opal Halley’s Comet opal Moonstone Shimmering colour Sunstone Labradorite...would soon be joining him in Paradise. Sometimes, an entire industry could arise from a gemstone’s associations...celebrities – all want to be photographed wearing an exquisite piece by one of the great names in modern...was given to Queen Mary of England in the 1550s, as an engagement present. It was later owned by Margaret...considered minerals. Certain substances, including opal and glass, resemble minerals in appearance, Mineral |
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(2010) 20th General Meeting of the International Mineralogical Association 21–27 August, 2010 Budapest, Hungary. Acta Mineralogica-Petrographica, Abstract Series Vol. 6. University of Szeged |
Journal (volume) |
| (Czech Republic) (Romania/USA) (Germany) (Hungary) (Russia) (Czech Republic) (Japan) (Germany) Publication...their original relatively uniform distribution; (2) an increase in range of intensive variables such as...particles, such as occur in the atmosphere and comprise an area of increasing interest for mineralogists, they...environment required to deposit diamonds. Metasomatism is an ongoing process, and it is not obvious that diamonds...1918. On April 14 an explosive summit eruption started beneath an ice-cap with an eruption column occasionally |
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(2006, January) Gems & Gemology Vol. 42 (4) Gemological Institute of America |
Journal (issue) |
| Clarity Grading . . . “Chocolate Pearls”. . . Leopard Opal . . . Rainbow Andradite from Japan THE QUARTERLY...identifying these products. 236 Leopard Opal: Play-of-Color Opal in Vesicular Basalt from Zimapán, Hidalgo...Myanmar • Moonstone from Madagascar • Phenomenal fire opal • “Sunset” quartz from Brazil • Swedish Blue (slag)...University) with a degree in natural science. As an officer in the U.S. Navy from 1942 to 1946, he read...gems to pass the long hours at sea and even arranged an unscheduled stop in Colombo, the capital of Ceylon |
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(1995, June) Gems & Gemology Vol. 31 (2) Gemological Institute of America |
Journal (issue) |
| T A B L C O N T E N T S EDITORIAL Russia Reemerges as a Gen~stoneGiant Richard T, Liddicoat FEATURE...Monteforte NOTES AND NEW TECHNIQUES p. 90 :. <-- 106 An Update on the Ural Emerald Mines A. F. Laskovenl~ovand...publishers. Richard T. Liddicoat, Editor-in-Chief As Russia evolves politically and economically, it is also...the gem-quality synthetic diamonds produced in Russia are being treated with respect-and concern. Numerous...synthetic gem materials are also inanufactured in Russia and in other republics once part of the former |
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(2005, September) Gems & Gemology Vol. 41 (3) Gemological Institute of America |
Journal (issue) |
| 1988 issue of Gems & Gemology contained an article titled “An Economic Review of the Past Decade in Diamonds...with all G&G articles, especially those that lead an issue, we demand a significant contribution to the...article looks at the many developments that have had an impact on the world diamond industry since the 1980s...lucrative diamond sources in Angola, Namibia, and Russia. De Beers recast its own operations at the turn...information about diamonds, and celebrities made them an even more important element of high fashion (figure |
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Galopim de Carvalho, Rui (2024) Gempedia. AIGS. |
Book |
| between lectures, Rui was almost furiously working on an index of Gemmological terms, adding from things learnt...his native Portuguese into English what seemed like an endless word document. I pressed him on this and...gemmology and associated fields. The literature we see on an everyday basis is awash with terminology that often...is presented as a glossary that is, technically, an alphabetical list of terms relating to a specific...my classes as a handout to my students, printed as an annex of a larger manual. As my knowledge base grew |
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(2009, December) Gems & Gemology Vol. 45 (4) Gemological Institute of America |
Journal (issue) |
| www.retailer.gia.edu CARLSBAD DUBAI NEW YORK MOSCOW LONDON MUMBAI ANTWERP BANGKOK FLORENCE HONG...___________ pg. 267 271 Chrysoprase and Prase Opal from Haneti, Central Tanzania James E. Shigley,...characteristics of Tanzanian chrysoprase and green prase opal are revealed. 280 Demantoid from Val Malenco,...Kagem mine, Zambia • Yellow grossular from Tanzania • An unusual blister pearl • Myanmar report • Phenakite...black synthetic moissanite • Dyed sillimanite as an emerald imitation • High-RI Ba-Zr glass • Dyed pink |
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(2010, July) Gems & Gemology Vol. 46 (2) Gemological Institute of America |
Journal (issue) |
| www.retailer.gia.edu CARLSBAD DUBAI NEW YORK MOSCOW LONDON MUMBAI ANTWERP BANGKOK FLORENCE HONG...originated from the same crystal. 90 Play-of-Color Opal from Wegel Tena, Wollo Province, Ethiopia Benjamin...Gaillou Describes a major new source of high-quality opal with a mostly white bodycolor. Carat Points NOTES...Turquoise Gagan Choudhary 114 New Occurrence of Fire Opal from Bemia, Madagascar Martina Simoni, Franca Caucia...as a speaker or a poster presenter, please submit an abstract no later than January 10, 2011. Guidelines |
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(2016) Gem. The Definitive Visual Guide. Penguin Random House, London. |
Book |
| 142 144 146 150 152 154 Gold and power Opal Halley’s Comet opal Moonstone Shimmering color Sunstone Labradorite...not a story. A story has a beginning, a middle, and an end. This book is a map, a codex, a tool to help...ventromedial prefrontal cortex (vmPFC), that both assigns an object its worth, and determines the depth of your...actually evolved to look for colors, and to have an extreme emotional response to them. And even more...the story of stones with a beginning, a middle, and an end, because it has no beginning, and it has no end |
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(1992, January) Gems & Gemology Vol. 28 (4) Gemological Institute of America |
Journal (issue) |
| Lebanon, N{ Ray Page Santa Monica, CA George Rossn~an Pasadena, CA Kenneth Scarratt London, United Kingdom...either by control of the new source or by access to an important market segment, can assign a name of their...in the 1970s. We at Gems o)Gemology have supported an author's right to use a term that has a reasonable...misleading. Attempting to establish the makeup of an all-powerful nomenclature board to serve the gemological...public accepts this concept, I would classify such an appellation as merely "jargon of the trade." Now |
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(2014) The Journal of Gemmology Vol. 34 (4) Gem-A |
Journal (issue) |
| kyanite from Tanzania|Green daylight-fluorescent opal from Mexico |
‘Trapiche’ quartz with radiating fibres |
Yellow...amazonite |
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(1996, September) Gems & Gemology Vol. 32 (3) Gemological Institute of America |
Journal (issue) |
| Gubelin Laboratory's Christopher Smith, involves an identification technique that may seem esoteric to...Tucson lectures on the magnetism test, I suspended an elastic band from the thread, and the band acted...including those from De Beers, General Electric, and Russia. However, I have not observed any such response...they are dust-like. When such inclusions are large, an unset synthetic diamond may jump 6 mm or more off...pp. 228-255 and 2-30, respectively]. Dr. Janse did an excellent job of condensing the most important historical |
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Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 |
Book (edition) |
| role in naming the plants and animals, also showed an interest in classifying the minerals. His natural...synonymy was improved and extended. The work became an international classic for over 50 years, due to the...Geol. of Ore Deposits, Acad. of Sciences, Moscow, Russia. Per Nysten: University of Uppsala, Uppsala...XV xvi Introduction international members and an affirmative response of at least two-thirds of those...Once accepted, the information must be published in an appropriate journal within two years or the CNMMN |
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Streeter, Edwin W. (1877) Precious Stones and Gems (1st ed.) George Bell & Sons, London. |
Book (edition) |
| Spinel Corundum Ruby ... Sapphire Chapter VI. Opal Chapter VII. Cat’s ... ... Balas Rubies ....unwarrantable the arrived most of the practical an be value of a very than many and versed... to retaining usage, minished by intrinsic an and and friends that there wearer of the stones...unknown but.there ; should be the or merchant, Opal, A material the a true or mere the be ...to to study would judge, much family jewels an wiser submit to and some done of their may |
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Clark, A. M. (1993) Hey's Mineral Index - Mineral Species, Varieties and Synonyms (3rd ed.) Natural History Museum, London. |
Book (edition) |
| publica1ions) 'Third edi1ion'-Forcword. Rev. ed. of: An index of mim:ral species & varie1ics arranged chemically/...of Minemls was published and it soon proved to be an important and standard reference work for mineralogists... The number of known species is now around 3500- an increase of some 600 in the last ten years - and...Embrey obtained an on-line version of the second edition and its appendices by editing an optically-character-read...volume is the third edition (retitled) of M. H. Hey"s An Index of Mineral Species and Varieties Arranged Chemically |
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Shipley, Robert M. (1948) Dictionary of Gems and Gemology (4th ed.). Gemological Institute of America, Los Angeles. |
Book (edition) |
| of meriting the acceptance of this Dictionary as an international reference book for the gemological...by the definition. For example: "African jade" is an incorrect term for green grossularite, as stated..."a" alone should be sounded as the "a" in "cat/* An "e" following a vowel indicates a long sound for...emphasis. dictionary's use as a gemological directory. An effort has been made to include in alphabetical order...(ab"a-lo'nee). The mollusc Haliotis, also known as an ormer or ear-shell. From Pacific waters of California |
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