 | | Book | | Fluideinschlüssen (.. 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...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...diamonds" (ULRICH 1989). Europe ha s deposits in Austria, England ("Cornish diamonds", "Bristol diamonds") |  | | 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 (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 |  | Che, X. D., Linnen, R. L., Wang, R. C., Groat, L. A., Brand, A. A. (2013) DISTRIBUTION OF TRACE AND RARE EARTH ELEMENTS IN TITANITE FROM TUNGSTEN AND MOLYBDENUM DEPOSITS IN YUKON AND BRITISH COLUMBIA, CANADA. The Canadian Mineralogist, 51 (3) 415-438 doi:10.3749/canmin.51.3.415 | Journal (article/letter/editorial) | | samples from the Boss Mountain molybdenum deposit and the Ray Gulch tungsten deposit contained primary magmatic...relationships of the titanite grains. The Risby tungsten deposit is located in the Yukon Territory, southwest of...most recent grade and tonnage estimate for the deposit is 8.5 Mt of 0.475% WO3 (Desautels 2009). Titanite...core library were studied. The Ray Gulch tungsten deposit is located in the Yukon Territory northeast of...biotite-hornblende granodiorite intrusion. The deposit occurs at the contact between metasedimentary hornfels |  | | 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 | | 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 |  | de Souza, J. L., Mendes, J. C., da Silveira Bello, R. M., Svisero, D. P., Valarelli, J. V. (1992) Petrographic and microthermometrical studies of emeralds in the ‘Garimpo’ of Capoeirana, Nova Era, Minas Gerais State, Brazil. Mineralium Deposita, 27 (2) 161-168 doi:10.1007/bf00197103 | Journal (article/letter/editorial) | | investigations in the area of the Capoeirana emerald deposit, Minas Gerais State, revealed two main lithostructural...mineralization metasedimentary-metavolcanic sequence. The emerald mineralization is dominantly concentrated within...Microthermometric studies of the fluid inclusions of the emerald grains indicate that crystallization occurred in...carbonate + biotite-phlogopite + chlorite of the emerald wall rocks. Francisco Craton. This observation...the mineral deposit of Itabira, discovered in 1978 S _ . . ~.~C/L~ -~4~ I~ The emerald 'garimpo' of |  | Kazmi, A. H., Lawrence, R. D., Anwar, J., Snee, Lawrence W., Hussain, S. (1986) Mingora emerald deposits (Pakistan); suture-associated gem mineralization. Economic Geology, 81 (8) 2022-2028 doi:10.2113/gsecongeo.81.8.2022 | Journal (article/letter/editorial) | | EconomicGeology Vol. 81, 1986, pp. 2022-2028 MINGORA EMERALD DEPOSITS (PAKISTAN): SUTURE-ASSOCIATEDGEM MINERALIZATION...the overridingKohistan Geologyof the Mingora Emerald Deposit island-arcsequenceencompasses all of theseunits...schistis the mostubiquitous rock in the Mingora emerald mines. It is a schist gn• grayishto greenish-white...located adjacentto two lesser amounts. - MINGORA EMERALD A MINES --->' B Emerold deposits WEST EAST... ,. 20 25 ß M•NGO•:•C• CiTY 0 I )Mingora emerald 40 80 I I SCALE 120 Im mine area and fence |  | | 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...“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 | | 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 |  | | 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 | | 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 (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 | | 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 |  | | 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 | | gemstones. Cover illustration: A ruby, sapphire, emerald, citrine and diamond clip, mounted by Cartier,...reference book and a bench book. Acknowledgements I am grateful to Brian Jackson of the Department of Geology...places where amendment or alteration was needed. I am also grateful to the publishers of the books on which...rarer. For example, the red and green of ruby and emerald require a source of chromium; without it the corundum...corundum and beryl minerals, of which ruby and emerald are special varieties would be colourless or coloured |  | | Journal (article/letter/editorial) | | high- and ultrahigh-pressure metamorphic areas (see Table S1 of the electronic supplement). A wide variety...composition. Experimental investigations of Hermann (2003; see also Hermann and Green 2001) showed that whiteschist...high temperatures (i.e., 500–890 °C at 0.6–4.4 GPa; see Table S1). In this paper, we focus on potential protoliths...DOMINO/THERIAK program of de De Capitani and Brown (1987) [see also de Capitani (1994) and de Capitani and Petrakakis...and Schmidt 1953); H2O and SiO2 in excess, legend see Fig. 1 Fig. 2 Equilibrium phase diagram of palygorskite |  | | Report (edition) | | expanded to include additional occurrences of emerald, opal, agate, chalcedony, organic gems, tiger eye............................................. 33 Emerald......................................................................................... 264 Clinozoisite..................................................................... 36 3.4 Locations of emerald mining operations at Poona, Cue region............... 38 3.5 Synthetic, 120 ct hydrothermal emerald manufactured by Biron Corporation............. | | | Book | | reference book and a bench book. Acknow ledgements I am grateful to Brian Jackson of the Department of Geology...places where amendment or alteration was needed. I am also grateful to the publishers of the books on which...rarer. For example, the red and green of ruby and emerald require a source of chromium; without it the corundum...corundum and beryl minerals, of which ruby and emerald are special varieties would be colourless or coloured...down to the actual mine. Today it is commonplace to see in sale catalogues issued by the major auction houses |  | | Book (edition) | | Zarshouran Au-As deposit, Takab region, Iran Grandviewite, 5 111111, Capillitas deposit, Argentina Calciopetersite...supergroup (Henry et al., AM 96, 895-913, 2011), amphibole supergroup (Hawthorne et al., AM 97, 2031-2048, 2012)...25, 85-90, 2013), garnet supergroup (Grew et al., AM 98, 785-811, 2013) and dumortierite supergroup (Pieczka...crystals x,xx Rep. prov. pref. co. dept. dept. AJM AM CCM CM DANR EJM JMPS MM MP NJMA ZRMO Republic province...munic. St. Ste. Is. Mt. district municipio Saint Sainte island mount, mountain Mts. R. Penin. Vole. Plat |  | | Report (edition) | | .......................................... 35 Emerald ........................................................................................ 241 Clinozoisite .............................................................. 23 A polished, high-quality, emerald-cut Argyle pink diamond ....................................................... 38 Location of emerald mining operations at Poona, Cue region ..........Well emerald-bearing pegmatites at Riverina, Menzies region............................ 41 Emerald crystal |  | | 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 £du8.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 contem¬ plate a mighty mountain range, you are essen¬ tially looking at a vast |  | | Book (edition) | | away beforc wc could finish this collaboration. I am pleased to have been able to finish lhis Glossary...Pierre-Jacques Chiappero (France). G. Daxner (Austria). M. Dcliens (Belgium). Giancarlo Delia Ventura... Keams (USA). Elisabeth Kirchner (Austria), Uwe Kolitsch (Austria). Werner Krause (Gennany). Andre Lalonde...Lalonde (Canada), P. Leblhuber (Austria), Andrew Locock (Canada). J.A. Mandarino (deceased) (Canada),...Filippo Olmi (deccased) (ltaly). Werner H. Paar (Austria). Gian Carlo Parodi (France). Marco Pa ero (ltaly) | | | 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 |
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