 | | Journal (issue) | | Burmese Sapphire and Peridot from Mogok History of Emerald Mining at Habachtal, Part I New Regular Feature:...Peridot from Mogok and a History of Emerald Mining in Habachtal, Austria Duncan Pay FEATURE ARTICLES p....spectroscopic, and chemical features of peridot from this deposit, which possesses a rich olive green color and is...large sizes. 338 History of Emerald Mining in the Habachtal Deposit of Austria, Part I p. 347 Karl Schmetzer...region, which is regarded as one of the earliest emerald deposits. p. 373 REGULAR FEATURES 372 Lab Notes |  | | Journal (issue) | | Yellow Topaz from Saxony, Germany History of Emerald Mining at Habachtal, Part II New Regular Feature:...No. 1 EDITORIAL 1 Yellow Topaz from Germany, Emerald Mining in Austria’s Habachtal Region, A Return...behavior. 18 History of Emerald Mining in the Habachtal Deposit of Austria, Part II Karl Schmetzer The...two-part series on the mining history of Austrian emerald deposits in the Habachtal region. p. 40 REGULAR...nickel impurities • Nail-head spicule in a Russian emerald • Dyed fluorite • Repaired grandidierite • New |  | | Journal (article/letter/editorial) | | consistent with a sedimentary source origin. Type IA emerald REE patterns have upturns in the heavy REE (La/YbCC...occurring in Archaean host rocks. Modeling of type IA emerald compositions indicates that they form from magmatic...crustal protoliths. This geochemical signature links emerald formation with continental suture zones. Diamonds...that plate tectonic processes have led to emerald deposit formation since at least the Archaean. doi...that is responsible for the vivid green color of emerald [2]. Emeralds are scarce commodities requiring |  | 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 |  | | 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 |  | Baksheev, Ivan A., Trumbull, Robert B., Popov, Mikhail P., Erokhin, Yuri V., Kudryavtseva, Olesya E., Yapaskurt, Vasily O., Khiller, Vera V., Vovna, Galina M., Kiselev, Vladimir I. (2018) Chemical and boron isotopic composition of tourmaline from the Mariinsky emerald deposit, Central Urals, Russia. Mineralium Deposita, 53 (4) 565-583 doi:10.1007/s00126-017-0759-z | Journal (article/letter/editorial) | | composition of tourmaline from the Mariinsky emerald deposit, Central Urals, Russia Ivan A. Baksheev 1 &...Mariinsky schisthosted emerald deposit in the Central Urals, Russia, both in emerald-bearing phlogopite veins...in exploration of emerald-bearing and emerald-free veins in schist-hosted emerald deposits. The δ11B...dominated from the granitic rocks surrounding the emerald belt. The narrow range of B-isotope compositions...compositions in tourmaline from throughout the Mariinsky deposit suggests a well-mixed hydrothermal system. Editorial |  | Groat, L. A., Marshall, D. D., Giuliani, G., Murphy, D. C., Piercey, S. J., Jambor, J. L., Mortensen, J. K., Ercit, T. S., Gault, R. A., Mattey, D. P., Schwarz, D., Maluski, H., Wise, M. A., Wengzynowski, W., Eaton, D. W. (2002) MINERALOGICAL AND GEOCHEMICAL STUDY OF THE REGAL RIDGE EMERALD SHOWING, SOUTHEASTERN YUKON. The Canadian Mineralogist, 40 (5) 1313-1338 doi:10.2113/gscanmin.40.5.1313 | Journal (article/letter/editorial) | | MINERALOGICAL AND GEOCHEMICAL STUDY OF THE REGAL RIDGE EMERALD SHOWING, SOUTHEASTERN YUKON LEE A. GROAT§ Department...discovered a major occurrence of emerald in the Finlayson Lake district of southeastern Yukon. The Regal...contact with a mid-Cretaceous granitic pluton. The emerald crystals occur where quartz veins cut mica-rich...chromophore. Fluid-inclusion data indicate that the emerald precipitated from a fluid whose maximum salinity...equivalent. The oxygen isotopic composition of the emerald is highly variable (12.3 to 14.8‰), but there is |  | Andrianjakavah, Prosper Rakotovao, Salvi, Stefano, Béziat, Didier, Rakotondrazafy, Michel, Giuliani, Gaston (2009) Proximal and distal styles of pegmatite-related metasomatic emerald mineralization at Ianapera, southern Madagascar. Mineralium Deposita, 44 (7) 817-835 doi:10.1007/s00126-009-0243-5 | Journal (article/letter/editorial) | | distal styles of pegmatite-related metasomatic emerald mineralization at Ianapera, southern Madagascar...Springer-Verlag 2009 Abstract The Ianapera emerald deposit is located in the Neoproterozoic Vohibory Block...within a few kilometers of the Ampanihy shear zone. Emerald mineralization is hosted by metasomatic phlogopite...Another characteristic feature to the Ianapera deposit and, to our knowledge, yet unreported, Editorial...permitting the formation of distal mineralization. Emerald composition was controlled by the chemistry of |  | | Journal (issue) | | No. 3 / 2022 Emerald from Chitral, Pakistan Turquoise from Xinjiang, China Emerald Jewels from St...This emerald-bearing pectoral cross (12.5 × 5.8 cm) was donated to St Peter’s Archabbey in Salzburg, Austria...assumed the emeralds came from Austria’s Habachtal deposit, microscopic examination and portable EDXRF chemical...this issue. Courtesy of St Peter’s Archabbey, Salzburg; photo by N. Urban. 213 What’s New Yehuda Diamond... Gem Notes 234 Emerald from the Chitral Region, Pakistan: A New Deposit Emerald with BertranditePhlogopite |  | | Journal (article/letter/editorial) | | from the emeralds of Habachtal, Tauern Window, Austria Y.Y. N w e a'J and G. G r u n d m a n n b aDepartment...from the emeralds of Habachtal, Tauern Window, Austria. Lithos, 25:281-304. Fluid inclusions in emeralds...during the crystallisation period of many of the emerald cores and coexisting biotite and actinolite. Maximum...Leckbachscharte in the Habachtal (Hohe Tauern, Salzburg, Austria) is the only place in Western Europe where...tectonics of the area. 2. Geologic Setting The emerald deposit is situated in the Tauern Window (Fig. 1 ) |  | | Journal (article/letter/editorial) | | VIGEZZITE AND ASSOCIATED OXIDES OF Nb–Ta FROM EMERALD-BEARING PEGMATITES OF THE VIGEZZO VALLEY, WESTERN...occurred during the albitization process of three emerald-bearing pegmatites that cut serpentinites at Mount...by fersmite. Chromium-bearing beryl crystals (emerald) occur along the exocontacts characterized by a...Keywords: albitized pegmatites, vigezzite, fersmite, emerald beryl, schorl–dravite, columbite, tantalite, Vigezzo...minerals and crystals of green, Cr-rich beryl (emerald). Furthermore, two new minerals, roggianite (Passaglia |  | | Journal (article/letter/editorial) | | characteristics and source of chromium and beryllium for emerald mineralization in the ophiolitic rocks of the Indus...2010 Available online 14 December 2010 Keywords: Emerald genesis Host petrography Geochemistry Mineralizing...talc ± quartz ± dolomite), locally containing emerald deposits, occur within the Swat Valley. These rocks...produce veins and stockworks of quartz as well as emerald, Cr-rich tourmaline and Cr, Ni-rich muscovite..... 2.3. Mode of occurrence and distribution of emerald . Sampling strategy and analytical techniques |  | Salvi, Stefano, Giuliani, Gaston, ANDRIANJAKAVAH, Prosper Rakatovao, Moine, Bernard, Beziat, Didier, Fallick, Anthony (2017) Fluid Inclusion and Stable Isotope Constraints On the Formation of the Ianapera Emerald Deposit, Southern Madagascar. The Canadian Mineralogist, 55 (4) 619-650 doi:10.3749/canmin.1700017 | Journal (article/letter/editorial) | | CONSTRAINTS ON THE FORMATION OF THE IANAPERA EMERALD DEPOSIT, SOUTHERN MADAGASCAR STEFANO SALVI§ Université...Scotland, United Kingdom ABSTRACT The Ianapera emerald deposit is hosted in the Neoproterozoic Vohibory domain...peraluminous felsic intrusions outcrop in the area. Emerald occurs mostly within metasomatic phlogopitite and...recognized granitic pegmatites as the source of the emerald-forming fluids, leading to the classification of...chemistry of tourmaline and scapolite associated with emerald and beryl, data from fluid and solid inclusions |  | | Journal (article/letter/editorial) | | 799–809, 2010 Cr-bearing tourmaline associated with emerald deposits from Swat, NW Pakistan: Genesis and its...the Main Mantle Thrust in the Swat Valley host emerald deposits and are invaded by quartz veins and stockworks...associated with emerald and/or chromian muscovite. Tourmalines from the Mingora and Gujar Kili emerald mines and...suggests that the tourmaline is cogenetic with emerald formation. The quality and quantity of Swat emeralds...hydrothermal fluids. Large deposits of gem-quality emerald occur in carbonate-altered ultramafic rocks, which |  | Pautov, L. A., Popov, M. P., Erokhin, Yu. V., Khiller, V. V., Karpenko, V. Yu. (2013) Mariinskite, BeCr2O4, a new mineral, chromium analog of chrysoberyl. Geology of Ore Deposits, 55 (8) 648-662 doi:10.1134/s1075701513080096 | Journal (article/letter/editorial) | | been found at the Mariinsky (Malyshevo) deposit, the Ural Emerald Mines, the Central Urals, Russia. The...25 g/cm3. Microscopically, it is emeraldgreen, pleochroic from emeraldgreen (γ) to yellowgreen (β) and...chromitite from the Mariinsky (Maly shevo) deposit, Ural Emerald Mines (Fig. 1). The mineral was named mariinskite...of the Ural Emerald Mines; (b) geological map of the area adjacent to the Mariinsky deposit, modified after...melange zones: (9) proved, (10) inferred; (11) emerald–beryl deposits and occurrences. Numerals mark the |  | | 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 (article/letter/editorial) | | Newland, D. H. (1935) Minerals of Whiteface Mountain—Rocks and Minerals—pp. 8182, June 1935. Patchik...Richville Station, St. Lawrence County, New York—The Am. Mineralogist—pp. 480-487, 1940. Silver, L. T. and...crystals of tourmaline with enveloped orthodase— Am. Jour, of Science—Vol. 11, No. 54, pp. 273-275, April...imported into the United States. In appearance, chromite, the source of the metal chromium, is typically...large irregular bodies of chromite rock which consist essentially of chromite but which might also have |  | | 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 |  | | Journal (article/letter/editorial) | | MINERALIUM DEPOSITA ©Springer-Verlag 1990 Origin of emerald deposits of Brazil G. Giuliani 1. 2 , L. J. H....R.M./SGM, Bahia, Brazil Abstract. Precambrian emerald deposits of Brazil are found in a typical geologic...and deformation. Emerald mineralization belongs to the classic biotite-schist deposit, which formed by...pegmatite-free emerald deposits linked to ductile shear zones are also known. Emerald formation is attributed...the important gemstones in terms of weight while emerald is characterized by its high commercial value and |  | | 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 |  | | 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 |  | | Book | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...literature, Mr Read’s task was far from simple and I am most grateful for his discriminating selection of...xiii Chapter 1 Emerald and beryl in antiquity 1 Emerald in ancient Egypt 1 Emerald and beryl in ancient...10 Large European emerald objects 13 The Emerald Buddha 14 The Budha’s tooth emerald 15 Hernando Contez...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and modern Europe 18 Biblical |  | | Book | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...literature, Mr Read's task was far from simple and I am most grateful for his discriminating selection of...Chapter 1 Emerald and beryl in antiquity xiii 1 Emerald in ancient Egypt 1 Emerald and beryl in...Pliny's Natural History 10 Large European emerald objects 13 The Emerald Buddha 14 The Budha's tooth emeraid...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and ~odern Europe 18 Biblical |  | | 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 |  | | 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...specimens of grayish-white cellular, felted masses of mountain leather (amphibole) occur in the Josephine mine...Mines Mineral Trade Notes, Feb. 1950, p. 2 5 ) . Austria—The Dirstentritt lead - zinc mine, northwest of |
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Emerald deposit, Leckbachgraben, Nasenkopf mountain, Bramberg am Wildkogel, Zell am See District, Salzburg, Austria