 | | 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 Austriaâs 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) | | 3 341 EMERALD FROM HABACHTAL by E. J. GĂBELIN, 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. 10Âť 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 |  | | 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 |  | 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 14.8â°), but there is |  | | Book | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...literature, Mr Readâs 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 Budhaâs 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) | | beautiful consisting of deep blue azurite, dark green malachite, bluishgreen chrysocolla and deep black tenorite...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 |  | | 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 |  | | 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 |  | Ren, Junping, Wang, Jie, Zuo, Libo, Liu, Xiaoyang, Dai, Chaocheng, Xu, Kangkang, Li, Guozhan, Geng, Jianzhen, Xiao, Zhibin, Sun, Kai, He, Fuqing, Gu, ALei (2017) Zircon UâPb and biotite 40Ar/39Ar geochronology from the Anzan emerald deposit in Zambia. Ore Geology Reviews, 91. 612-619 doi:10.1016/j.oregeorev.2017.08.034 | Journal (article/letter/editorial) | | UâPb and biotite deposit in Zambia 40 Ar/39Ar geochronology from the Anzan emerald â Junping Rena...age Biotite 40Arâ39Ar age Anzan emerald deposit Zambia The Kafubu Emerald Area in Zambia is an important...altered rock and emerald-hosting biotite chlorite schist from the Anzan emerald deposit in the Kafubu area...chronology measurements of the country rock and emerald-hosting rock which belong to Muva Supergroup, yielding...and found that the ore bodies in the Anzan emerald deposit underwent three phases of metamorphism at 1853 |  | | Journal (article/letter/editorial) | | the notable exception. KEYWORDS : gems, diamond, emerald, sapphire, ruby, geochemistry, exploration INTRODUCTION...sapphire (any other color of gem corundum), and emerald (green chromium/ vanadium-bearing gem beryl, Be3Al2Si6O18)...requirement for a major element and a chromophore is emerald. Beryl is a relatively rare mineral because there...form emerald (e.g. Ottaway et al. 1994; Cheilletz and Giuliani 1996; Branquet et al. 1999; SEE FIG. 1)...significant role in certain emerald deposits (notably Habachtal in Austria, Leydsdorp in South Africa |  | | 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 |  | | Book | | Quarries, graveI pits, roadcuts and tunnels let us see the mineralogic components of the hard rock commonly...about 16 km lies in the fact that the processes of mountain building and faulting have brought deeper materials...particularly in its specialized fields of ore deposit science (economic geology), geochemistry, and applied...Other important deposits are found in the Cobalt district of Ontario, Canada, as well as in Mexico and Bolivia...Brandholz, Fichtelgebirge, the Hohen Tauern at Salzburg, Austria, the 150-km-long gold vein known as the Mother |  | Altenberger, Uwe, Rojas-Agramonte, Yamirka, Yang, Yueheng, FernĂĄndez-Lamus, Jimmy, Häger, Tobias, Guenter, Christina, Gonzalez-PinzĂłn, Alejandra, Charris-Leal, Felipe, Artel, Julia (2022) In Situ UâThâPb Dating of Parisite: Implication for the Age of Mineralization of Colombian Emeralds. Minerals, 12 (10) 1232 doi:10.3390/min12101232 | Journal (article/letter/editorial) | | Sciences, No. 19, Beitucheng Western Road, Chaoyang District, Beijing 100029, China Departamento de Geosciencias...first described from the world-famous emerald mines of the Muzo district, BoyacĂĄ Province, Colombia. Four...timing of mineralization and crystallization of emerald deposits in Colombia. Furthermore, this study opens...largest and highest-quality emerald crystals in the world. More than 200 emerald deposits and occurrences...belts are located some 80 km apart. In the western emerald belt (western zone) are the districts of PeĂąas |  | | Journal (issue) | | missing the joy of new experiences and the chance to see and learn. Mineralientage Mtinchen is one of my tools...that happened once in the good old days. I often see one or several individuals or groups playing in the...the Natural History Museum of Los Angeles County (see February 2005 Mineral News - Ed.). Between the two...excellent, large, green fluorite crystals. I did not see the largest pieces, but rumors said 5 cm! This is...is from a new find and very unusual for the deposit. The Orange River is famous for quartz in all colors |  | | Journal (issue) | | asbestiform rocks" for this deposit. For andradite in general, Modreski (see Mineralogical Record, Vol...Minerals of the Scratch Awl Mine PhilipsburgMining District, GraniteCounty, Montana Larry B. French HC 46...59301 french@midrivers.com The Philipsburg Mining District, immediately east of Philipsburg, Montana, occupies...primary metal produced by the district, but after 1916, the Philipsburg district became the nations' leading...zinc, and some gold were also recovered from the district ores. The Flint Creek Range was created by several |  | | Journal (issue) | | Belgium Kipushi is famous as a rich pipe-like deposit o f zinc, copper and associated rare metals. Bearing...contradictions (Keller, 1977, 1984). The Broken Hill deposit at Kabwe in central Zambia is also famous economically...rare copper-zinc minerals; this is mainly a zinc deposit, containing only about 0.035% copper (Mennell,...separating the basins of the Zaire and Zambezi rivers (see Fig. 1). The tarred road from Lubumbashi is excellent...the neighboring Solwezi town, about 100 km S60°W (see Fig. 2). This border road has historical significance |  | | 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) | | 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 |  | | 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 |  | | Journal (issue) | | 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...Fragment of quartz vein with blue azurite and green malachite on the surface, 3189 m a.s.l. Imeretinka upstream...Administratively, the Imeretinsky site is located in the Urup district of the Karachay-Cherkess Republic, 60 km SW of...oxidized; chalcopyrite is mostly replaced by malachite. kcording to Lavrishchev et al. (2002), copper |  | | Journal (issue) | | of Mines and the Virginia Polytechnic Institute. (See the guest editorial in this issue.) White has been...putting complete sets on the market than we used to see. Prices seem to range between $1,200 and $1,600 (bearing.../# 6 W agholi cavansite (India), Kom bat m ine (N am ibia), M adan m ines (B ulgaria), B eltana m ine...sufficient for solids to exhibit faces. One can see a special order in the Penrose tiling, and even how...symmetry a priori. 92 A C K N O W L ED G M EN T S I am indebted to Drs. Frank Gayle, Frans Spaepen, Peter |  | | 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 |  | | Book | | zones of copper deposits, often with cuprite and malachite. Localities. Very often a mineral is known from...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 |  | | 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 |
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