 | | 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 |  | | Book | | FluideinschlĂźssen (.. 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...ilmenite, and syngenetic ilmenite, rutile, anatase, brookite, titanite, tourmaline, pyrrhotite, pyrite, muscovite...oft spektakulären Erzmineralien geringere Interesse am Quarz eine nicht unwesentliche Rolle, derartiges...Arkansas, USA, in Quebec, Canada and in Brazil (see LAEMMLEIN 1972, RYKART1995). This phenomenon is most |  | | Journal (article/letter/editorial) | | Can anyone supply information on the occurrence? District oĂ ColumbiaâOn 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 HampshireâA 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 ) . AustriaâThe Dirstentritt lead - zinc mine, northwest of |  | | Journal (issue) | | issue 2, 2009 I Vladimir I. Zhemakov URAL EMERALD MINES (Izumrudnye Kopi): Notes on Mineralogy Mineralogical...LOCAUTIES SERIES Vladimir Ivanovich Zhernakov Ural Emerald Mines: Notes on Mineralogy. Mineralogical Almanac...current issue dwells on Mineralogy of Ural Emerald Mines: a deposit which Russain geologists and mineralogists...Front Cover Photo Emerald President. 13.6 x 9.0 x 7.7 cm, weight 1172 g. Mariinskoe deposit 1993. The State...found and produced for 180 years, is known as Emerald Mines (on Russian - /zumrudnye Kop1). This happened |  | | Book (edition) | | amphibole group). For more detailed information see "Dana's System of Mineralogyâ˘Âˇ ( 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 (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 theyâre 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, $3.50â etc.) W ouldnât 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 (article/letter/editorial) | | quartz, but locally contains Cr-bearing beryl (emerald) or Cr-bearing spodumene (hiddenite). These gem...phase in spodumenebearing veins, but is absent in emerald-bearing veins. Chabazite-Ca occurs as simple penetrating...20560, USA e-mail: wisem@si.edu the gem trade as emerald and hiddenite, respectively. According to Wise...Cr-bearing spodumene is not known from other worldwide emerald deposits. The unusual geochemical features of the...the North American Emerald Mine (NAEM) property (part of the former Rist Emerald mine), chabazite was |  | | 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 | | 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 | | 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 | | prospectors by placer mining. It is found along the mountain ranges of the western states, including California...Australia at Kalgoorlie; in the Cripple Creek district, Teller Co., Colorado and in Calaveras Co., California...(Landsberg) in W. Germany. The most important economic deposit is at Almaden, Ciudad Real, Spain. In California...From Carn Brea. Cornwall 22 ETC hot-spring deposit at Steamboat Springs, Nevada. Large workable deposits...taken is Lolling, near Huttenberg, Carinthia, Austria; other localitiesarethe Harz Mountains, Saxony |  | | Journal (article/letter/editorial) | | and won for a profit (agate, amethyst, citrine, emerald, quartz, rose quartz, smoky quartz, morganite,...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...âChessboard classification scheme of mineral depositsâ [1]âSee 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 |  | | Journal (issue) | | spectral colours due to interference on thin layers, f See 'Iridescent natural glass from Mexico', p.488. )...the third The actual, geologically important, deposit is country and indeed the first country in Africa...unusual gemstones, have been known to produce district of the Northern Rift Valley Province, and corundum...market through Murangering and Lokitaung villages (see since mid 1987. Hence the rough is available in map)...dashed area in the map, is located in the Turkana district of the Northern Rift Valley Province on the west |  | | Journal (issue) | | coral ⢠Coated diamonds ⢠Natural emerald with nail-head spicules ⢠Emerald with strong dichroism ⢠High-R...issue purchases to the Circulation Coordinator (see above) or visit www.gia.edu. To obtain a Japanese...of articles on all aspects of the field. Please see the Guidelines for Authors in the Fall 2003 issue...of the learning curve for identifying them, and I see no reason why this canât continue. For much of this...decolorized at high pressure and high temperature (see box A). Preliminary notes on GIAâs examination of |  | | Book | | Marshall, Anthony E. Fallick and Yannick Branquet Emerald Deposits: A Review and Enhanced ClassiďŹcation Reprinted...review proposed an enhanced classiďŹcation 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 ClassiďŹcation....Paris-Lodron-University of Salzburg, Hellbrunner Str. 34, A-5020 Salzburg, Austria; franz.neubauer@sbg.ac |  | | Journal (issue) | | amphibole from the Kajlidongri manganese mine, Jhabua District, madhya Pradesh, India 428-440 Luminescence study...verheerendste Naturkatastrophe : Zeugen der Spalteneruption am Laki 1783 177-182 Cobaltneustädtelit, Metatorbernit...porcelaneous datolite in Michigan's Lake Superior Copper District (2) : S. Keweenaw, Houghton and Ontonagon Co....-rosenbuschite group from the Langesundsfjord district, Norway 1009-1018 Epitaxial lateral overgrowth...L. Elsing, 93 143-185 The Cripple Creek mining district, Colorado 189-194 Jack Halpern and his colourful |  | | 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 emeraldâfrom its less ite, role of historyâs 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 |  | | Journal (issue) | | approval of the editor. Suggestions for authors See Vol. 16, no. 2, p. 105, or write for copy. Replacement...Minas Gerais, Brazil. (For more on the locality see the article by Cassedanne and Lowell, vol. 13, no...according to stan dard Mineralogical Record format. See published articles for ex amples. Remember to give...issues), or V o lu m e s 8-9 (12 issue s). (You can see th a t th e R e c o r d has g ro w n c o n s is te...discovered. SAO MIGUEL DE PIRACICABA DEPOSIT The Sao Miguel de Piracicaba deposit, in the state of Minas Gerais |  | | Journal (issue) | | JANUARY-FEBRUARY 2016 ⢠VOLUME 47 ⢠NUMBER 1 $20 . The Emerald 1IlineÂŁ of Jlolom6ia 1Iline.s, 1Ilineral.s, :pi...& Advertising Manager Thomas P. Moore COVER: EMERALD crystal with calcite, 6.5 cm, from the Cosq uez...Faults, Black Shales, Carbonate Veins ........ 21 Emerald Mineralization ....................................... 32 An Emerald Crystal Album .................................... 36 Great Emerald Crystals and...Twelve thousand people paid a quarter apiece to see it in New York, after which it toured Great Britain |  | | Book (edition) | | materials described. I, as editor and major contributor, am ultimately responsible for those omissions and inaccuracies...This book is not intended to be a bench manual; see references in many places below to The Identification...what I am about to recommend, monographs by their nature cannot be so up-to-date; the ones I am using...authorities and cited full details in the text; I am grateful to my very large personal library for virtually...didactic and flowery style to suit modern standards. I am strengthened in this decision by the welcome appearance |  | | Journal (volume) | | test is to strike it with a hard metal object to see if it gives off a spark. Genuine pyrite also melts...CD L. 0. ⢠The asterism stareffect in a ruby !see 'Characteristics¡ on previous page>. ⢠⢠TWo professionally...gemstones when they are viewed in a particular light. see the photograph on page 2 of Gemstones: Ruby. stones...light of their own . This is called fluorescence. (See also Phosphorescence. l Fracture - All minerals fracture...Basalt is an example of an extrusive igneous rock. !See also Metamorphic Rocks and Sedimentary Rocks.l Impurity |  | | Book | | own tumbling and grinding machineto cutting an emerald !The extensive reference section describes over...gdtanrc fc a nociuiacaftto.^tfug ctma bula mfanml.^oc am in lapidario fuo cnajc Capitulum.ltrrtni ÂŁdu8.C...pond or fresh from a refrigerator. The best way to see it is to catch a snowflake (also made of ice). You...oriented covalent bonds. The chemical formulae to see how these cope with resulting mineral is our immensely...This means that, when you contemÂŹ plate a mighty mountain range, you are essenÂŹ tially looking at a vast | | | Book | | own tumbling and grinding machine to cutting an emerald! The extensive reference section describes over...Uranium Xenon i oat jum 22.98 Tb Ti Vanadium 11 See Titanium Tungsten 150.35 407.87 hase Te 52 ...pond or fresh from a refrigerator. The best way to see it is to catch a snowflake (also made of ice). You...must return to the subject of chemical formulae to see how these cope with solid solutions. The method is...This means that, when you contemplate a mighty mountain range, you are essen- tially looking at a vast |  | | Journal (issue) | | show in Tucson 2007 - it is always fascinating to see different approaches to the same topic. High-end...and interesting minerals and I was delighted to see pearceite-Tac crystals to 5 mm from Uchucchacua (Lima...-1~â˘-ÂŤâ˘â˘ÂˇÂˇ t ii k ., ~,., '--,r.;;- 7 1_,..!.~-r.:~ brookite from Pashinc (Beluchistan. Pakistan), none of...miles from Happy Camp, California discovered a deposit of massive olive-green vesuvianite (Kunz, 1902...Sterrett (191 I, p. 855) further reported that this deposit as located by Dr. A. E. Heighway for Lippman Tannenbaum |  | | 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/$ â see front matter Š 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 ďŹrst step has already been taken |
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