 | | 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 (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 (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 |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | occurrence, and certainly one of its premier aquamarine localities, Mount Antero, Chaffee County, Colorado...from South Baldface Mountain, North Chatham, Carroll County, and the Sugarloaf Mountain area, Grafton County...Government pit at Albany, the Iron Mountain quarries at Bartlett, Green Mountain near Effingham, and the Hamm...and Rutherford mine pegmatites, of the Amelia district, Amelia County, and as irregular grains replacing...replacing beryl at the Irish Creek tin deposit, Rockbridge County, Virginia. Well-formed crystals from the |  | 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) | | Front: Beryl (variety aquamarine); 19.6 cm high Shigar Valley, Skardu district, Northern Areas, Pakistan...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 | | 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 |  | | Report (issue) | | Discovery Stoppaniite Fabio Tamagnini Page 40 Emerald and Aquamarine in Canada Lee A. Groat Page 22 Beryl Color...References Page 112 Author's Addresses Right: Aquamarine Rough from Marijao, Madagascar is sorted in a...lowdown on beryl mineralogy An ancient gemstone, aquamarine is well suited to modern design. The Bernd Munsteiner...are widely used (see page 22). These include aquamarine, red beryl, morganite, emerald, goshenite, and...varieties emerald and aquamarine are surrounded by the ancient mysticism of birthstones. Emerald, aquamarine |  | | 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) | | 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 |  | | Journal (issue) | | to 4 cm, on matrix, from Ghundao Hill, Mardan district, Pakistan. F. John Barlow collection; photo by...Another Mineral Video M ail-order shoppers who like to see what they’re ordering now hav< a new source. Readers...concise. This is a very pleasant, inexpensive way to see and perhaps bu some fine minerals during those house-bound...inch, $3.50” etc.) W ouldn’t it be interesting to see what thos specimens actually looked like? But even...even videos from ten or 20 yeai ago would be fun to see. In any case, I highly recommend th< collectors, |  | | Journal (issue) | | 3 341 EMERALD FROM HABACHTAL by E. J. GÜBELIN, Ph.D., C.G., F.G.A. T H E emerald deposit of Habachtal...Habachtal, in Austria, is discussed in some detail in this paper not only because it is the only source of...practically no authoritative literature on the deposit exists in the English language. 10» n T h e initial...relatively unknown but nevertheless very interesting deposit in the Habachtal area differed by any local characteristics... HISTORY T h e occurrence of emeralds in the Salzburg Alps was already known to the Romans who did not |  | | 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 |  | | Book | | mine, known for Yeryfine, rare, pink diamonds. Emerald, alexandrite, garnet, and tourmaline are all significantly...tanzanite and the lusciously nch greener-than-emerald tsavorite. Unique geochemistry in the area holds...Tsavo West National Park, Kenya 44 Chapter 4. Emerald and Alexandrite from Tanzania 49 Location 50 History...Garnets of East Africa 73 Rh.odolite of the Lindi District, Tanzania 76 Tsavorite Garnets 76 The Pyrope-...Tanzania 96 Red Dravite Tourmaline from the Narok District, Kenya 99 Uvite-Dravite Chrome Tourmaline 99 |  | | Book | | DIAMOND 92 RUBY AND SAPPHIRE 87 90 92 94 EMERALD, AQUAMARINE AND OTHER BERYLS CHRYSOBERYL (ALEXANDRITE)...harmonic balance? Let anyone judge for oneself. I am really convinced that EACH GIGANTIC CRYSTAL IS A...improved in the course of the years. He wanted to see his sons educated and did not spare his labour and...think more and more often that my wonderful dream to see Amazonia would only remain an illusion. I was permanently...could then not even imagine. I strained my eyes to see my native land in the distance for the last time |  | | 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) | | South Africa Abstract The world’s oldest emerald deposit occurs in the Gravelotte-Leydsdorp area of...Africa. Emeralds have been mined from the main emerald working, the Cobra pit, since 1927, although emeralds...were discovered in the area much earlier. The emerald mineralisation is closely linked with albitite...information is available for the emeralds in the deposit. This paper documents the geochemical characteristics...chemistry of the emeralds are broadly similar to other emerald deposits worldwide. The major chromophore appears |  | | Journal (issue) | | 26 26 Mining A Glimpse of the New Fine Emerald Deposit at Xinjiang’s Davdar Mine Education...engagement towards his TREASURER Bryan Pavlik, Austria SECRETARIES Emmanuel Piat, France Fujio Takada...established in 2006 to provide assistance and support to mountain communities globally and has an established presence...to provide specialized training to marginalized mountain families, particularly women. It has developed...stones in general. At present, ruby, sapphire, and emerald make up the majority of high-priced colored stones |  | | Journal (issue) | | North-West Branch: 1. Knight, F.G.A. South Yorkshire & District Branch: J. I. Platts, F.G.A. Examiners: B. W....1983, XVIII, 6 Knischka are not only very easy to see but are also a highly characteristic internal hall-mark...structure and relation to jeremejevite and fluoborite. Am. Miner., 61, 88-94. 3. Povarennykh, A. S., Clark...in the mica group; the biotite-phlogopite series. Am. J. Sci., 244, 836-48. [Manuscript received 25th...in the centre of the southern part of the state (see Map). Geologically, it is a volcanic area in a region |  | | Journal (article/letter/editorial) | | amethyst, citrine, emerald, quartz, rose quartz, smoky quartz, morganite, and aquamarine, beryl). This is...the periglacial/glacial and the high-altitude/mountain zones, where mechanical weathering and the paleogradients...(industrial minerals), and diamond placers (gemstones) (see Section 3.8). Gemstones fulfill all physical requirements...“Chessboard classification scheme of mineral deposits” [1]—See Appendix A, so as to assist their assignment to the...processes. Element (for General Classification Scheme see [1]) Mineral Type Density (Mean) kg/m3 Hardness |  | | Book | | Myth and in Rock 9 3 From Mine to “Mine”: The Emerald Business 21 4 Emeralds in World History 43...and the Great Emeralds 75 6 Secrets of the Emerald Trade 141 7 Fake Emeralds and Their Kin: A Tale...every gem has a story. This is the story of the emerald. It’s a tale of fire, water, and serendipity. From...history, the emerald has had ties with both the sacred and the profane. Legend says that an emerald belonging...part of the extraordinary business of being an emerald. This is also a tale of robbers, miners, explorers |  | | Journal (article/letter/editorial) | | leaders in the production of gemquality tourmaline, aquamarine, morganite, and contain abundant spodumene, tantalite...000 Belo Horizonte MG, Brazil the context of emerald mineralization, but seem to be of less importance... which included green tourmaline mistaken for emerald, induced the Portuguese Bandeirantes to follow...of precious stones (multicoloured tourmaline, aquamarine, topaz, brazilianite, kunzite), and subordinately...geology. The PD of Itambe (1) is the only studied district located within the SaÄo Francisco craton as de®ned |
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Emerald deposit, Leckbachgraben, Nasenkopf mountain, Bramberg am Wildkogel, Zell am See District, Salzburg, Austria