 | | Journal (issue) | | properties. pg. 89 116 Emeralds from the Kafubu Area, Zambia J. C. (Hanco) Zwaan, Antonín V. Seifert...properties of emeralds from this, the second largest emerald-producing country in the world, are described....again producing fine tourmalines, with both the mining area and the gems examined in this report. pg....lead the Institute’s groundbreaking studies on emerald fillers and diamond cut proportions. EDITORIAL...The bracelet and the 4.13 ct oval and 6.20 ct emerald cut in the rings are courtesy of Harry Winston |  | Zachariáš, J., Žáček, V., Pudilová, M., Machovič, V. (2005) Fluid inclusions and stable isotope study of quartz-tourmaline veins associated with beryl and emerald mineralization, Kafubu area, Zambia. Chemical Geology, 223 (1) 136-152 doi:10.1016/j.chemgeo.2004.12.023 | Journal (article/letter/editorial) | | veins associated with beryl and emerald mineralization, Kafubu area, Zambia J. Zachariáš a,*, V. Žáčekb...Accepted 16 May 2005 Abstract The Kafubu Emerald Area in Zambia is an important producer of gemstone-quality...Quartz; Tourmaline; Beryl; Emerald; Oxygen isotopes; Fluid inclusions; Kafubu; Zambia 1. Introduction During...decades, Zambia has become a world-class emerald-producing country. The entire Zambian emerald output,...of the world market, comes from the Kafubu Area. The Kafubu Emerald Area (Fig. 1) covers approx. 200 km2 |  | | Journal (issue) | | No. 3 / 2022 Emerald from Chitral, Pakistan Turquoise from Xinjiang, China Emerald Jewels from St...38 / No. 3 / 2022 COLUMNS Cover photo: This emerald-bearing pectoral cross (12.5 × 5.8 cm) was donated... Gem Notes 234 Emerald from the Chitral Region, Pakistan: A New Deposit Emerald with BertranditePhlogopite...Fluorescence | New Finds at the Tourmaline King Mine, Pala, California, USA | A New Amber Imitation:...Laboratory-Grown CVD Diamonds | Mica-Coated Emerald Imitations from Zambia | Ring with Flat-Cut Synthetic Moissanite |  | | Book | | Marshall, Anthony E. Fallick and Yannick Branquet Emerald Deposits: A Review and Enhanced Classification Reprinted...Alluvial Sapphires from the Orosmayo Region, Jujuy Province, Northwest Argentina: Insights into Their Origin...Cenozoic Alkaline Basalts of the Ratanakiri Volcanic Province (Cambodia), Southeast Asia—Trace Element Geochemistry...Distinguished Visiting Professor at the China University of Mining and Technology. His research activity covers a...pegmatite situated in the Borborema Pegmatitic Province (BPP) from Rio Grande do Norte in Northeast Brazil |  | | Show/Event (guide) | | are and I encourage you to visit, “The Stope” a mining-themed doing it again. This year our concert features...cover band, “Shine on Floyd.” bled a collection of mining artifacts for permanent display in the room. The...private appointments Topaz, Cleavelandite Mokrush Mine, Russia Thomas Spann Photo 2 3 CONTENTS 06...beer, wine, coffee, guest cases, a sitting area, mining paraphernalia, and a new home for the Mineralogical...CRYSTAL CLASSICS CRYSTAL CLASSICS UK MINING VENTURES UK MINING VENTURES ROCKO MINERALS Ertashar Pacific |  | | Journal (issue) | | Characterization of Montana Sapphire Morphology of Colombian Emerald 2023 Tucson Report Spring 2023 VOLUME 59, No...Sapphire from Montana’s Secondary Deposits, Colombian Emerald Morphology, The 2023 Tucson Shows, and More… Duncan...Jeffrey R. Hapeman, and Richard B. Berg Examines the mining history and geological characteristics of the three...and heat-treated). 46 Morphology of Colombian Emerald: Some Less Common Cases and Their Growth and Dissolution...of special morphological features in Colombian emerald, including possible relationships to trapiche emeralds |  | | Journal (article/letter/editorial) | | 49.5.1189 Al-RICH CHROMIUM-DRAVITE FROM THE #1 MINE, BALMAT, ST. LAWRENCE COUNTY, NEW YORK Marian V...talc – tremolite – cummingtonite schist at the #1 mine at Balmat in the Adirondack Lowlands, St. Lawrence...l’assemblage talc – trémolite – cummingtonite à la mine #1 à Balmat, Basse-Terres des Adirondack, comté...from the chromite deposits of Nausahi, Keonjhar District, Orissa, India (proposal approved, IMA#2009–088)...cummingtonite schists from the #1 mine (American 1190 the canadian mineralogist mine), St. Lawrence County, |  | | Journal (issue) | | of the stability and durability of nine common emerald-filling substances. pg. 99 NOTES AND NEW TECHNIQUES...improve their apparent clarity. A wide range of emerald-filling substances are used today, with varying...durability of nine common emerald-filling substances. Shown here is a pair of emerald and diamond earrings;...diamonds of cube and cuberelated shape from the Jwaneng mine,” Journal of Crystal Growth, Vol. 94, 1989, pp....has been more recently reviewed in an article of mine (B. Rondeau et al., “Diamants cubiques et presque |  | | Report (edition) | | sawable diamonds (average 2 ct) from Ellendale diamond mine (courtesy Kimberley Diamond Company) Contents.......................... 11 History of gemstone mining in Western Australia ................................................................... 13 The Mining Act 1978 .................................................................. 13 Summaries of the Mining Act, Miner’s Rights, and Section 20A Permit ........................ 21 East Kimberley Diamond Province.............................................. |  | | Journal (article/letter/editorial) | | carbonate-hosted sulphide deposits in the Salmo district of southern British Columbia have nearsurface...replacement (‘white ore’), 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...flotation and breakthroughs in smelting technology, mining and processing sulphide ore became more common...focuses on the nonsulphide deposits of the Salmo district of southern British Columbia (BC), Canada (Fig |  | | Journal (issue) | | NEWTECHNIQUES Sapphires from Changle in Shandong Province, China fingfeng Guo, Fuquan Wang, and Gerry Yukoumelos...attempted use of red emerald for the beautiful red beryl from Utah and pink emerald for morganite. Market-driven...done wonders for quartz, beryl, and corundum. Emerald, aquamarine, and morganite are certainly more salable...Labradorite of the Greelz term.] from the Poiiderosa Mine! Oregon," seems to be that The famous Russian niineralogist...analyses to detect very sn~allquantities of gold for mining ( Y o q 1980).Methods of analytical chemistry (such |  | | Report (edition) | | expanded to include additional occurrences of emerald, opal, agate, chalcedony, organic gems, tiger eye........................... 5 History of gemstone mining in Western Australia........................................... 15 Halls Creek Orogen — Lamboo Province.................................................................... 15 East Kimberley diamond province ................................................................... 20 East Kimberley diamond province ............................................. |  | | Journal (article/letter/editorial) | | and found its two different types - the first (emerald to grass green) with increased SO4 contents in...al. 2017; Mikuš et al. 2017; Dufresne et Fig. 1 Mining situation on the 3rd level of the central part...from the Jánská vein at 3rd level of the Prokop mine (Fig. 1). The Jánská vein is one of less important...deposit in the central part of the Březové Hory ore district. It was exploited from 13th century till 1978...the southeastern part of the Jánská vein, where mining was concentrated during the period 1948 - 1949 |  | | Journal (article/letter/editorial) | | topographic map of the Farbište occurrence showing the mining objects and outcrop location. 274 2.2. Copper...Farbiště occurence Early exploration and small-scale mining at the locality took place in the 19th century...powder diffraction data were collected using a Bruker D8 Advance diffractometer (Laboratory of X-ray diffraction...Brochantite Brochantite has been identified as rare emerald-green crusts (Fig. 6a) which cover several cm2...paper 7.9317(5) 8.0568(7) 506.87(4) Sunny Corner mine, NSW, Australia Hager et al. (2010), bariopharmacosiderite-Q |  | Plášil, J., Fejfarová, K., Hloušek, J., Škoda, R., Novák, M., Sejkora, J., Čejka, J., Dušek, M., Veselovský, F., Ondruš, P., Majzlan, J., Mrázek, Z. (2013) Štěpite, U(AsO3OH)2·4H2O, from Jáchymov, Czech Republic: the first natural arsenate of tetravalent uranium. Mineralogical Magazine, 77 (1) 137-152 doi:10.1180/minmag.2013.077.1.12 | Journal (article/letter/editorial) | | Geschieber vein, Jáchymov ore district, Western Bohemia, Czech Republic, as emerald-green crystalline crusts...in honour of Josef Štěp (1863 1926), a Czech mining engineer and ‘father’ of the world’s first radioactive...in honour of Ing. Josef Štěp (Fig. 1), a Czech mining engineer who played a leading role in the development... After studying at the Mining Academy in Přı́bram, and graduating in mining and geology, he obtained...the position of ‘Bergmeister’ (i.e. head of the mine) at the Werner shaft (later renamed Rovnost shaft) |  | | Journal (issue) | | of spectacular rhodochrosite from the Sweet Home Mine in Colorado. I even had Bryan Lees autograph this...from November 16, 1961. Perhaps 100 were printed. Mine is signed by the meeting honorcc - J. Robert Oppenheimer...mention of heliodor makes me think of the Roehling mine in New Milford, Connecticut. There have been a few...gr, bi Fe 2+,Fc 3+ MOT P..:gmatitcs TL-O Emerald bright green Cr 3+.V 3+ CFT \I cta. rock. limestone...Mn/+Si 4 O 11 (OH) 4 • 2H 2 O from the Cornwall Iron Mine, Lebanon Co., Pennsylvania Lance E. Kearns and Cynthia |  | | Journal (issue) | | GemFair Tucson 2020 Seminars | Blockchain in the Mining Industry: Implications for Sustainable Development...Mineral & Gem Museum Gem Notes Hessonite from Kunar Province, Afghanistan | Olshanskyite from Japan | Yellow...Glass Doublets | Imitations of Trapiche Ruby and Emerald | Blue Sapphire with Partial Red Surface Diffusion...https://agta.org/resources. Blockchain in the Mining Industry: Implications for Sustainable Development...https://saiia.org.za/ research/blockchain-in-the-mining-industryimplications-for-sustainable-development-in-africa |  | Lake, Donald J., Groat, Lee A., Falck, Hendrik, Mulja, Thomas, Cempírek, 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;...(Ar-Ar muscovite) Lened emerald occurrence is a Type I (igneous) skarn-hosted emerald deposit related to the |  | Plášil, J., Fejfarová, K., Novák, M., Dušek, M., Škoda, R., Hloušek, J., Čejka, J., Majzlan, J., Sejkora, J., Machovic, V., Talla, D. (2011) Bêhounekite, U(SO4)2(H2O)4, from Jáchymov (St Joachimsthal), Czech Republic: the first natural U4+ sulphate. Mineralogical Magazine, 75 (6) 2739-2753 doi:10.1180/minmag.2011.075.6.2739 | Journal (article/letter/editorial) | | Geschieber vein, Jáchymov (St Joachimsthal) ore district, Western Bohemia, Czech Republic, crystallized...moderately pleochroic, a~b is pale emerald green and g is emerald green, and is optically biaxial (+)...Republic, catalogue number P1p 2/2010. footwall of the mine adit. Arsenic is the dominant primary mineral in...moderately pleochroic, a~b is pale emerald green and g is emerald green. Both crystal types have similar...mineral paragenesis of the deposit, as well as the mining history, is provided in Ondruš et al. (1997a, |  | | Journal (issue) | | deposits from • / their basalt fields, in significant mining, processing and cutting industries (Mumme, 1988;...and alluvial deposits from the Barrington basalt province in New South Wales, one typical of East Australian...1996; Guo Guo etet al., al, 1996), the Barrington province also yields an abundant pastel-coloured sapphire-ruby...main drainages, Barrington Figure 1: Distribution province, 250 of of Sydney, New South Wales. Corundum/zircon...Corundum/zircon suites suites are marked by inclined province, 250kmkmnorth north Sydney, New South Wales. Corundum/zircon |  | Majzlan, Juraj, Števko, Martin, Dachs, Edgar, Benisek, Artur, Plášil, Jakub, Sejkora, Jiří (2017) Thermodynamics, stability, crystal structure, and phase relations among euchroite, Cu2 (AsO4)(OH)·3H2O, and related minerals. European Journal of Mineralogy, 29 (1) 5-16 doi:10.1127/ejm/2017/0029-2584 | Journal (article/letter/editorial) | | from a number of oxidation zones in a form of emerald-green crystals. Here, we investigated thermodynamics...translucent crystals up to 2 cm in size with bright emerald-green to leek-green color in the fissures of schists...patterns of the samples were collected using a Bruker D8 Advance DaVinci diffractometer employing Cu Ka radiation...1968), Carlés gold mine in Spain (Calvo & Viñals, 2014), Cramer Creek-Copper Cliff mine in Montana, USA...(Řídkošil, 1981; Števko et al., 2011), or Hubei Province in China (Števko, unpublished data). In this contribution |  | | Journal (issue) | | Citywide Map 32 Upper Downtown - Mineral & Fossil District Detail Map 33 Central Downtown Detail Map 33...Treasures......................48 Broken River Mining...................19 Buena Vista Contin-Tail Gem...183 Miles of Alaska...........................69 Mine Deco................................117 Mineral...Show..........110 Advertiser | Page # Moldavite Mining LLC.................93 Moldavite/TW Designs .....aquamarine crystal (on the left) from the McKinney Mine, and a giant green beryl crystal in smoky quarts |  | | Journal (issue) | | џѦѠѡюљ љюѠѠіѐѠ Wulfenite with Mimetite, La Morita Mine, Ascención Municipality, Chihuahua, Mexico, 3.5...Citywide Map 32 Upper Downtown - Mineral & Fossil District Detail Map 33 Central Downtown Detail Map 33...learning geology, paleontology, mineral identification, mining geography, and lapidary arts. I enjoy immensely...Auction | February 7, 2022 ® Rock Currier, Nikaliev Mine Dalnagorsk, Russia 1993 View All Lots and Bid at...replica of an underground stope at a Bisbee copper mine has a number of azurite, copper, and calcite specimens |  | | Journal (issue) | | Helen Serras-Herman 20 SPANISH SILVER, MINERALS & MINING TREASURES AT TUCSON’S ARIZONA HISTORY MUSEUM By...Citywide Map 32 Upper Downtown - Mineral & Fossil District Detail Map 33 Central Downtown Detail Map 33...xpopress.com | 19 Spanish Silver, Minerals & Mining Treasures at Tucson’s Arizona History Museum Article...silver, decorative art, minerals, an underground mine replica, and an imposing twostory tall stamp mill...toys, jewelry, and souvenir items. The Arizona Mining Hall We were pleasantly surprised to see a large |  | | Book (volume) | | cushion cut rhodochrosite (25.56 ct), Sweet Home Mine, Colorado; colorless scheelite (19.66 ct), Kern...events to bring the history of North American gem mining up to date. Here, then, is the latest, most complete...and interviews with persons actively engaged in mining gemstones. Pertinent references are furnished throughout... most likely in Canada. Systematic large-scale mining of sapphire-bearing gravels in Montana is beginning...operators, Morefield Mine, Amelia, VA; Max & Suzy Berchtold, Royal Rainbow Mine, Laytonville, CA; Ralph |
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