 | | 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) | | 1529-1541 (2006) THE EMERALD- AND SPODUMENE-BEARING QUARTZ VEINS OF THE RIST EMERALD MINE, HIDDENITE, NORTH...the paragenesis and mineral compositions of the emerald occurrence at the Rist mine, Hiddenite, North Carolina...and to examine the possible relationship between emerald and spodumene mineralization and granitic pegmatites...are calcite, amethystine quartz, spodumene and emerald. The early stage of vein development is characterized...with granitic pegmatite was observed. Keywords: emerald, chromian spodumene, hydrothermal quartz vein, |  | | Report (issue) | | our way through the competĀ itive minefield of emerald science, much of John's contribuĀ tion to this...any other opinion. extraLapis English No. 2: Emerald The Most Valuable Beryl The Most Precious Gemstone...we ā¢ 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 |  | | Book | | FluideinschlĆ¼ssen (.. negative Kristalle") aus der Emerald & Hiddenite Mine im Alexander County, North Carolina/USA...two-phase inclusions (.. negative crystals") from the Emerald & Hiddenite Mine, Alexander County, North Carolina/USA...rutile, anatase, brookite, titanite, tourmaline, pyrrhotite, pyrite, muscovite, chlorite and several sulfosalts...oft spektakulƤren Erzmineralien geringere Interesse am Quarz eine nicht unwesentliche Rolle, derartiges...sulfides (such as arsenopyrite, chalcopyrite, pyrrhotite and sphalerite), helvite, siderite, tourmaline |  | | 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 |  | Trumbull, Robert B., Krienitz, Marc-Sebastian, Grundmann, GĆ¼nter, Wiedenbeck, Michael (2009) Tourmaline geochemistry and Ī“11B variations as a guide to fluidārock interaction in the Habachtal emerald deposit, Tauern Window, Austria. Contributions to Mineralogy and Petrology, 157 (3) 411-427 doi:10.1007/s00410-008-0342-9 | Journal (article/letter/editorial) | | fluidārock interaction in the Habachtal emerald deposit, Tauern Window, Austria Robert B. Trumbull Ć Marc-Sebastian...from the Habachtal emerald deposit in the Eastern Alps formed together with emerald in a ductile shear...zone during blackwall alteration and tourmaline-emerald mineralization. A regional metamorphic fluid carried...distinction of hosting one of Europeās few important emerald deposits. Habachtal emeralds were systematically...(Grundmann and Morteani 1982, 1989) established that emerald formation was related to blackwall metasomatism |  | | 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 Classiļ¬cation 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 (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) | | pp. 1835-1849 Emerald Mineralization during RegionalMetamorphism'The Habachtal (Austria)and Leydsdorp(Transvaal...ultrabasicrocks.Detailed studiesof the I-Iabachtal(Austria)and Leydsdorp(South Africa) emeralddepositsindicatethat...well-knownschist-hosted emeralddepositsof the Habachtal (Austria) and of Leydsdorp (Transvaal, SouthAfrica) have...0361-0128/89/997/1835-15$3.00 p.96) on the famousTakowaja emerald depositsin the Ural Mountains(USSR):"It is now...MORTEANI Petrologicand geochemicalstudiesof the emerald interlayeredserpentiniteswhichis calledthe Habach |  | | Book | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...literature, Mr Readās 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 Budhaās 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 |  | | 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 Ā± quartz Ā± 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 |  | | Journal (article/letter/editorial) | | South Africa Abstract The worldās 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...of other minerals including hematite, pyrite, pyrrhotite, zircon, molybdenite and galena. SiO2 content |  | | 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 (edition) | | amphibole group). For more detailed information see "Dana's System of Mineralogyā¢Ā· ( 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) | | The emerald deposit at Byrud, Eidsvoll, South Norway Fred Steinar Nordrum, Kongsberg, and Gunnar Raade...Introduction In Scandinavia, just one occurrence of emerald has been mined, located at the Byrud farm on the...Minnesund in Eidsvoll, about 70 km north of Oslo. The deposit was worked by an English company around 1900, and...specimens. History The initial discovery of the emerald occurrence is not documented, but it probably took...pieces with translucent crystals of green beryl (emerald). At a later stage, the name Gustaf Nauckhoff (1847-1919) |  | | 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 |  | | Journal (issue) | | statue at Vientianeās Haw Phra Kaew (Temple of the Emerald Buddha); rough and faceted sapphires from Laos...America ā Brazil and Colombia 48 Clinohumite ā The Mountain Fire 52 GemTechLab ā 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) | | Can anyone supply information on the occurrence? District oĆ ColumbiaāOn 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 HampshireāA nice specimen... VermontāNice specimens of chalcopyrite with pyrrhotite occur at the copper mines at South Strafford...specimens of grayish-white cellular, felted masses of mountain leather (amphibole) occur in the Josephine mine |  | | 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 |  | | Journal (article/letter/editorial) | | 799ā809, 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 |  | | 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...XTALāDennis Beals Zeolites IndiaāDr. 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 āAm able, Ontario K0L2L0 Tel: (613) 332-1032 ā¢ FAX: (613) |  | | Journal (article/letter/editorial) | | carbonate-hosted sulphide deposits in the Salmo district of southern British Columbia have nearsurface...replacement (āwhite oreā), are present in the Salmo district. The direct replacement deposits formed by the...direct replacement nonsulphide zones of the Salmo district overlay the sulphide bodies in which they replaced... Development of the Skorpion nonsulphide zinc deposit in Namibia has put nonsulphide ZnāPb deposits back...focuses on the nonsulphide deposits of the Salmo district of southern British Columbia (BC), Canada (Fig |  | | Journal (issue) | | Ontogeny of Minerals" section to ontogeny of pyrrhotite from Dalnegorsk. The " Museum News" section in...Ontogeny of Minerals Boris Z. Kantor On the Pyrrhotite Crystals from Dalnegorsk . ....................territory of the reserve originates beautiful mountain lmeretinka River (Fig. 3), and there are extremely...5 which are one of the main habitats of high mountain cloven footed turs and chamoises (Fig. 5). These...Administratively, the Imeretinsky site is located in the Urup district of the Karachay-Cherkess Republic, 60 km SW of |  | Lake, Donald J., Groat, Lee A., Falck, Hendrik, Mulja, Thomas, CempĆrek, Jan, Kontak, Daniel, Marshall, Daniel, Giuliani, Gaston, Fayek, Mostafa (2017) Genesis of Emerald-Bearing Quartz Veins Associated With the Lened W-Skarn Mineralization, Northwest Territories, Canada. The Canadian Mineralogist, 55 (4) 561-593 doi:10.3749/canmin.1700025 | Journal (article/letter/editorial) | | (2017) DOI: 10.3749/canmin.1700025 GENESIS OF EMERALD-BEARING QUARTZ VEINS ASSOCIATED WITH THE LENED... Winnipeg, Manitoba R3T 2N2, Canada ABSTRACT Emerald at the Lened occurrence in the western Northwest...transparent, bluish green, and can be considered pale emerald. Using field relationships, Ar-Ar dating, whole-rock...B), and mineral chemistry, the sources of the emerald-forming fluids and chromophores have been assessed;...muscovite) Lened emerald occurrence is a Type I (igneous) skarn-hosted emerald deposit related to the proximal |
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Emerald deposit, Leckbachgraben, Nasenkopf mountain, Bramberg am Wildkogel, Zell am See District, Salzburg, Austria