 | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | minerals Review Emerald Deposits: A Review and Enhanced Classification Gaston Giuliani 1, *, Lee A....February 2019 Abstract: Although emerald deposits are relatively rare, they can be formed...systems and models currently used to describe emerald precipitation and predict its occurrence are too...mode of formation for some emerald deposits. Generally speaking, emerald is beryl with sufficient concentrations...crystals. The limiting factor in the formation of emerald is geological conditions resulting in an environment |  | | Journal (article/letter/editorial) | | i e r. c o m / l o c a t e / o r e g e o r ev Emerald deposits and occurrences: A review L.A. Groat a...Available online 22 April 2008 Keywords: Emerald deposits Emerald occurrences Crystal chemistry Geochemistry...isotopes Classification Exploration A B S T R A C T Emerald, the green gem variety of beryl, is the third most...emeralds. However there is speculation that the emerald mines in Colombia are becoming depleted. Brazil...of world emerald production. Emeralds have also been mined in Afghanistan, Australia, Austria, Bulgaria |  | | Report (issue) | | our way through the compet itive minefield of emerald science, much of John's contribu tion to this...any other opinion. extraLapis English No. 2: Emerald The Most Valuable Beryl The Most Precious Gemstone...we • pay tribute to John Sinkankas to whom this emerald issue is dedicated. John Sinkankas wrote more...than 15 books including his 1981 definitive work Emerald and Other Beryls. He set standards for authors...them. We are grateful to him and hope that you will see his influence here in Emeralds of the World and in |  | Lynch, E. P., Costanzo, A., Feely, M., Blamey, N. J. F., Pironon, J., Lavin, P. (2014) The Piteiras emerald mine, Minas Gerais, Brazil: fluid-inclusion and gemmological perspectives. Mineralogical Magazine, 78 (7) 1571-1587 doi:10.1180/minmag.2014.078.7.04 | Journal (article/letter/editorial) | | 2014, Vol. 78(7), pp. 1571–1587 The Piteiras emerald mine, Minas Gerais, Brazil: fluid-inclusion and...biotite-phlogopite schist and range from 0.5 to 50 mm long. Emerald mineralization is associated closely with alkaline...WORDS : Emerald, Brazil, gemmology, fluid inclusions, microthermometry, Piteiras. Introduction EMERALD mining...America. Brazilian emerald deposits account presently for ~10 20% of world emerald production, which ranks...Minas Gerais, and thus the modern era of Brazilian emerald production began (cf. Machado and Figueirôa, 2001) |  | | Journal (article/letter/editorial) | | Can anyone supply information on the occurrence? District oí Columbia—On a recent visit to Washington, the...of graphic granite which comes from Bradbury's Mountain at Pownal, Cumberland Co. ; Opal (hyalite) colorless...quartzite have been collected in the Pilot Mountain district, Mineral Co., Nev. New Hampshire—A nice specimen...any traces of native gold," he further reports. Ankerite (brownish, crystallized) with tiny rock crystals...specimens of grayish-white cellular, felted masses of mountain leather (amphibole) occur in the Josephine mine |  | | Book | | miners at work in the Diirrnberg-Hallein mine (1756) (see also comment on copyright page) Mineral Deposits...painting in the ancient mine office at Hallein Salzburg. The picture was painted in 1757 by Benedict Werkstiitter...the mine by the Prince Bishop Sigmund III. of Salzburg on 5th of May 1756 (bottom right, corner). At...heldatBled/Yugoslavia 3-7, 1977, held at Leoben/ Austria 5-10,1981, held at Berchtesgaden/Bavaria, FRG ...especially the relations between the formation of a deposit and "Alpine plate tectonics" even if their geotectonic |  | | Journal (issue) | | statue at Vientiane’s Haw Phra Kaew (Temple of the Emerald Buddha); rough and faceted sapphires from Laos...America – Brazil and Colombia 48 Clinohumite – The Mountain Fire 52 GemTechLab – Filling the Communication...Kothari, India Brandon Ma, Thailand Bryan E. Pavlik, Austria Emmanuel Piat, France Capt. Ramji Sharma, Japan...magnificent and beautiful city of Rio de Janeiro. I am convinced that it will be a very successful Congress...Email: emeralds@singhalgems.com 8/7/09 10:07:18 AM INDUSTRY NE WS CIBJO Creates CSR Working Group |  | | Journal (issue) | | SPECIAL ISSUE December 2015 WORLD EMERALD UPDATE Highlights of Bogota Symposium Colombia opened its...world’s leading emerald experts from October 13-15. The First International Emerald Symposium was a huge...around the world taking part. More than 42 global emerald specialists from governments, labs and private...Fedesmeraldas, the Colombian Emerald Federation, and supported by all the country’s emerald-related bodies and...challenges and opportunities faced by the world’s emerald industry, including resource management, manufacturing |  | | Journal (issue) | | Special Emerald 2018 – Issue 40 All About Colored Gemstones World Emerald Update Highlights of the...the Second World Emerald Symposium, Bogotá International Gemstone Association AColored Publication of the...Issue 40 ׀InColor 1 2 InColor ׀Special Emerald 2018 InColorMagazine.com; Gemstone.org International... Contents In Side 5 Special World Emerald Update Editor’s Note World Emerald Challenge: Origins and Appellation...Appellation 16 The Second World Emerald Symposium in Colombia The Second World Emerald Symposium Focuses on Responsible |  | | Book (edition) | | amphibole group). For more detailed information see "Dana's System of Mineralogy•· ( 1944, I 951, 1962)...dept. (departement), dept. (departamento), dist. (district). Less common terms are not abbreviated, e.g....abbreviations used are as follows: Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island),...other mineral mixtures, more detailed information see page 7 * valid mineral species in our opinion which...Structural Crystallography and Crystal Chemistry AM - American Mineralogist AMG - Ark.iv Mineralogi och |  | | Book | | Quarries, graveI pits, roadcuts and tunnels let us see the mineralogic components of the hard rock commonly...about 16 km lies in the fact that the processes of mountain building and faulting have brought deeper materials...particularly in its specialized fields of ore deposit science (economic geology), geochemistry, and applied...Other important deposits are found in the Cobalt district of Ontario, Canada, as well as in Mexico and Bolivia...Brandholz, Fichtelgebirge, the Hohen Tauern at Salzburg, Austria, the 150-km-long gold vein known as the Mother |  | | Journal (issue) | | more likely to go wherever they must in order to see important new museum displays. Also, major mineral...Art & Gems Carl & Naom i Bird Wirewrapping China Mountain Turquoise Co Collector's Edge Collector's Stope... Mineral Exploration Services Morgan Trinkets Mountain Minerals International Mt. Royal Gems ND - Gems...XTAL—Dennis Beals Zeolites India—Dr. Jay Zaveri See us also in * Las Vegas at the Tropicana, June 2-4...W est side of Hwy. 62 W endy & Frank M elanson L ’Am able, Ontario K0L2L0 Tel: (613) 332-1032 • FAX: (613) |  | | Report (issue) | | aquamarine); 19.6 cm high Shigar Valley, Skardu district, Northern Areas, Pakistan P hoto by Jeff Scovil...Beryl (variety Morganite) ·, Stak Nala, Skardu district, Northern Areas, Pakistan 4.6 cm wide; Collection....................................Page 80 Zagi Mountain: A Paradise for Rare-Earth Element Mineral Collectors...in Idar to arrange a flight to Kabul. Generally, I am cooler to mineralogical stimuli-the consummate professional-but...extreme contrasts in which one was as likely to see a new Mercedes-Benz as a caravan of 100 or more camels |  | | Book | | Marshall, Anthony E. Fallick and Yannick Branquet Emerald Deposits: A Review and Enhanced Classification Reprinted...review proposed an enhanced classification for emerald deposits based on the geological environment (magmatic...one of the images (inclusions hosted in Russian emerald) for the cover page of this Special Issue book...A.; Marshall, D.; Fallick, A.E.; Branquet, Y. Emerald Deposits: A Review and Enhanced Classification....Paris-Lodron-University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria; franz.neubauer@sbg.ac |  | | Book | | ADOLFSSON, STIG G. Hrudeposit, Sweden 3:38-39 Notes on recent underground collecting...ALABAMA Iron phosphate mineral locality at Indian Mountain, Alabama (by H. Harwood) 5:241-244 Iron-manganese...18:65-74 Phosphate microminerals of the Indian Mountain area [Georgia and Alabama] (by J.B. Gordon, Jr...the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli) 8:287-293 Minerals...10:85-89 Micromounting in the eastern Alps of Austria (by K. Kotal) 13:171-173 ALSTONITE An occurrence |  | | Journal (article/letter/editorial) | | one of the world’s major emerald-producing countries. In this study, emerald samples from Kamakanga, Zambia...creativecommons.org/licenses/by/ 4.0/). 1. Introduction Emerald is a variety of beryl whose ideal formula is Be3...[4], but it is difficult to distinguish Zambian emerald from others with the naked eye, just by color....earned $21.5 million, including a 6100 carat rough emerald. Consequently, Zambian emeralds have great promising... Kamakanga is one of the emerald deposits in Kafubu area. Although emerald deposits were discovered in |  | | Journal (issue) | | Thailand Kamal Kothari, India Bryan E. Pavlik, Austria Emmanuel Piat, France Capt. Ramji Sharma, Japan...murdered by illegal miners in the Taita Taveta District in Tsavo National Park, Kenya. As the news spread...include nomenclature for lead-glass filled corundum, emerald clarity enhancement issues, Certification for Fair... Gemfields set emfields held its second rough emerald auction for undisclosed reserve prices for each...per carat AGTA Show The company indicated that emerald values decline dramatically as quality decreases |  | | Book | | a few such specimens have been found after 1960 (see the Amity-Edenville entry for Edenite and Spine!)...Mount Malosa, Chilwa alkaline province, Zomba district. "Illite" is the name of a series of incompletely...to 2 cm which are pseudomorphs after bastnasite--see photo in Guastoni, Pezzotta and Zorzi (2008). ILMENITE...euhedral, pale tan to white rnicrocline crystals-see photos in Dupuis and David (2013). ffighway 5 extension...molybdenite specimens showing crystals to 6 cm (see this entry for Molybdenite), and in a second roadcut |  | | Book | | EMERALD and OTHER BERYLS by JOHN SINKANKAS This is Beryls jewelers, gists, geologists, earth ...sciences, yet eminently facet and widely a Emerald historians, gemological Sinkankas, the permanent...metal beryllium. with Beginning author traces emerald—from its less ite, role of history’s pendix...Unmatched third is knowledge from author one emerald cutting and of exotic composition, physical...mineralogical once events. languages for beryl emerald logical to and part, Sinkankas explores and |  | Wang, Rongchao, Liu, Zhankun, Hollings, Pete, Zhou, Xin, Guo, Yongchao, Li, Bin, Yu, Miao, Yang, Bin, Mao, Xiancheng, Lai, Jianqing (2021) Fluid evolution of the Humedo porphyry-related gold deposit, southern Ecuador: Evidence from the boron isotope and chemical variations of tourmaline. Ore Geology Reviews, 128. 103894pp. doi:10.1016/j.oregeorev.2020.103894 | Journal (article/letter/editorial) | | evolution of the Humedo porphyry-related gold deposit, southern Ecua‐ dor: Evidence from the boron isotope...evolution of the Humedo porphyry-related gold deposit, southern Ecuador: Evidence from the boron isotope...evolution of the Humedo porphyry-related gold deposit, southern Ecuador: Evidence from the boron isotope...in the Cangrejos–Zaruma district, Ecuador, northern Andes. The Humedo deposit, 5 with a defined gold...porphyry– 6 epithermal gold deposit in the southwest Cangrejos–Zaruma district. Here the textures, 7 geochemistry |  | | Journal (issue) | | (2) aa primary primary hessonite hessonite deposit deposit in in aa calc-silicate calc-silicate rock....components. Keywords: Keywords: alluvial alluvial deposit, deposit, hessonite, hessonite, karstic karstic potholes... channels, marble, marble,primary primary deposit deposit Introduction Introduction S riri Lanka,...ofof aa primary primary hessonite hessonite deposit deposit in in aa calc-silicate calc-silicate rock....the Kataragama field and the Okkampitiya field (see Figure 1). The Ratnapura field includes the famous |  | Giuliani, G., France-Lanord, C., Zimmermann, J. L., Cheilletz, A., Arboleda, C., Charoy, B., Coget, P., Fontan, F., Giard, D. (1997) Fluid Composition, δD of Channel H2O, and δ18O of Lattice Oxygen in Beryls: Genetic Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits. International Geology Review, 39 (5) 400-424 doi:10.1080/00206819709465280 | Journal (article/letter/editorial) | | Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits a b b G. Giuliani , C. France-Lanord...Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits, International Geology Review, 39:5, 400-424...Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits 1 G. GIULIANI, 2 Institut Français de...y l from granitic pegmatites and greisens and emerald from Brazil, Colombia, a n d Afghanistan. An i...e z i n h a s h e a r - z o n e e m e r a l d deposit c o n t a i n s a b u n d a n t C O 2 , u p t o |  | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining...haralddill@web.de. URL: http://www.hgeodill.de. 0012-8252/$ – see front matter © 2009 Elsevier B.V. All rights reserved... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ...the only inexhaustible low-grade, large-tonnage deposit on earth? The first step has already been taken | | | Journal (article/letter/editorial) | | from the text by simply using the code of each deposit in the chart. This code can be created by combining...haralddill@web.de. URL: http://www.hgeodill.de. 0012-8252/$ – see front matter © 2009 Elsevier B.V. All rights reserved... . . . . 3.4. Metamorphic chromium (gemstone) deposit . . . . . . . . . . . 3.5. Chromium supply and... . . . . . . . . 11.3. Structure-bound copper deposit . . . . . . . . . . . . . . . . . . . . . . . ...the only inexhaustible low-grade, large-tonnage deposit on earth? The first step has already been taken |  | | Journal (issue) | | asbestiform rocks" for this deposit. For andradite in general, Modreski (see Mineralogical Record, Vol...Minerals of the Scratch Awl Mine PhilipsburgMining District, GraniteCounty, Montana Larry B. French HC 46...59301 french@midrivers.com The Philipsburg Mining District, immediately east of Philipsburg, Montana, occupies...primary metal produced by the district, but after 1916, the Philipsburg district became the nations' leading...zinc, and some gold were also recovered from the district ores. The Flint Creek Range was created by several |
|
