 | Abdel Gawad, Ahmed E., Ene, Antoaneta, Skublov, Sergey G., Gavrilchik, Alexandra K., Ali, Mohamed A., Ghoneim, Mohamed M., Nastavkin, Aleksey V. (2022) Trace Element Geochemistry and Genesis of Beryl from Wadi Nugrus, South Eastern Desert, Egypt. Minerals, 12 (2) 206 doi:10.3390/min12020206 | Journal (article/letter/editorial) | | Geochemistry and Genesis of Beryl from Wadi Nugrus, South Eastern Desert, Egypt Ahmed E. Abdel Gawad 1, * , Antoaneta...Geochemistry and Genesis of Beryl from Wadi Nugrus, South Eastern Desert, Egypt. Minerals 2022, 12, 206. https://doi...Materials Authority, P.O. Box 530, El-Maadi, Cairo, Egypt; dr_mohamed1966@yahoo.com (M.A.A.); moh.gho@mail...occurs in the ancient Roman mines at Wadi Nugrus, South Eastern Desert of Egypt. It ranges from small crystals...The emerald of Wadi Nugrus has similarities with the geological setting of the Canadian emeralds. Emeralds |  | | Journal (issue) | | Letters FEATURE ARTICLES 81 Flux-Grown Synthetic Red and Blue Spinels from Russia Sam Mnhlmeister, John...Fritsch, and fames E. Sl~igley 100 Emeralds and Green Beryls of Upper Egypt Robert H. Jennings, Robert C....COVER: One of the most beautiful of gem materials, red spinel rivals-and has often been mistaken for-fine...laboratories have developed new flux-grown synthetic red and blue spinels, some of which can be identified...The contemporary ring is highlighted b y a 6.27-ct red spinel, 2.20 cl of yellow diamonds, and 2.54 ct. |  | | 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 ClassiïŹcation Exploration A B S T R A C T Emerald, the green gem variety of beryl, is the third most...year) of the world's emeralds. However there is speculation that the emerald mines in Colombia are becoming...accounts for approximately 10% of world emerald production. Emeralds have also been mined in Afghanistan |  | | Journal (article/letter/editorial) | | extensiveoperationsat th.eSinai peninsulaturquoise mines with no other than stone tools until about 2',000...extensiveand the output large. The stelesfound at the mines give many touchesof mining life, startinglymodernto...BLOODSTONE. Babylonian. 0.,oooB.c.-âą,8oo B.c. EMERALD. Egyptian: also Babylonian, x,?So-x,0.o3:Siberia...(480-300 B.c.): Saite or GraecoRoman period in Egypt (603 B.c. or later.) 600-0.75 B.c. RUBY. Etruscan:...throne found at Buddha Gaya: also Ptolemaic Period, Egypt. About 50 B.c. MEERSCHAUM. Greek. xoo-x B.c. BALAS |  | | Journal (issue) | | / 2022 Spinel from Tajikistan Cleopatraâs Emerald Mines DaylightFluorescent Hyalite from Namibia Gahnite...Lomthong and Theodore Rozet 156 Cleopatraâs Emerald Mines: The Marketing of a Myth By Jack M. Ogden 114...Slovakia | Afghan Emerald with Gota de Aceite Phenomenon | Zircon Inclusions in Emeralds from Lake Manyara...Melee-Sized Colourless HPHT-Grown Synthetic Diamond with Red Fluorescence | Manufactured Silica Glass Sold as... infrared spectroscopy of emeralds, spinel colouration, topaz, tourmaline and more. Dubai Diamond Conference |  | | Book | | contributed to books, and visited several gem mines as well as natural and cultured pearl producing...appearance of these laboratories, more gemstone mines were discovered worldwide, more synthetics were...examples of isotopic analyses on a series of ancient emeralds and natural pearls. Oxygen isotopic data provides...useful information on origin determination of emeralds and carbon isotopes are used for age determination...Some the famous mines where highly prized gems are mined, such as Colombia for emeralds and Kashmir (Sumjam |  | Giuliani, Gaston, Groat, Lee A., Marshall, Dan, Fallick, Anthony E., Branquet, Yannick (2019) Emerald Deposits: A Review and Enhanced Classification. Minerals, 9 (2) 105 doi:10.3390/min9020105 | Journal (article/letter/editorial) | | minerals Review Emerald Deposits: A Review and Enhanced Classification Gaston Giuliani 1, *, Lee A....February 2019 Abstract: Although emerald deposits are relatively rare, they can be formed...systems and models currently used to describe emerald precipitation and predict its occurrence are too...mode of formation for some emerald deposits. Generally speaking, emerald is beryl with sufficient concentrations...crystals. The limiting factor in the formation of emerald is geological conditions resulting in an environment |  | | 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 | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...xiii Chapter 1 Emerald and beryl in antiquity 1 Emerald in ancient Egypt 1 Emerald and beryl in ancient...European emerald objects 13 The Emerald Buddha 14 The Budhaâs tooth emerald 15 Hernando Contez emeralds 15...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and modern Europe 18 Biblical...lapidaries 19 The Speculum Lapidum 21 New World emeralds 21 Agricolaâs De Natura Fossilium 24 Gesnerâs |  | | Book | | undertake the task of abridging my much larger book, Emerald and Other Beryls (Chilton Book Co, 1981) to provide...Chapter 1 Emerald and beryl in antiquity xiii 1 Emerald in ancient Egypt 1 Emerald and beryl in...European emerald objects 13 The Emerald Buddha 14 The Budha's tooth emeraid 15 Hernando Contez emeralds 15...use of beryls in the Americas 15 Chapter 2 Emerald and beryl in medieval and ~odern Europe 18 Biblical...lapidaries 19 The Speculum Lapidum 21 New World emeralds 21 Agricola's De Natura Fossilium 24 Gesner's |  | | Book | | GRAIL FROM SATANâS CROWN TO THE HOLY GRAIL Emeralds in Myth, Magic, and History Diane Morgan Library... 1947â From Satanâs crown to the holy grail : emeralds in myth, magic, and history / Diane Morgan. p...index. ISBN 978â0â275â99123â4 (alk. paper) 1. EmeraldsâMiscellanea. I. Title. QE394.E5M67 2007 2007000068...Rock 9 3 From Mine to âMineâ: The Emerald Business 21 4 Emeralds in World History 43 5 The Mystique...Origins and the Great Emeralds 75 6 Secrets of the Emerald Trade 141 7 Fake Emeralds and Their Kin: A |  | | Report (issue) | | malfeasance, so to make amends he poured his tankard of red wine over her. This action produced the most beautiful...source material was deposits in the Aegean or in Egypt. The Greeks and Romans also used amethyst in jewelry...number of sources. Two deposits in Egypt (see page 22), Wadi al Hiidi and Abu Diyeiba, are thought to have...plaques of polished chrysoprase probably came from mines in Silesia. First mentioned in 1721, Schlottwitz... platinum, velvet and ermine and is set with tourmaline, topaz, ruby, amethyst, sapphire, garnet, peridot |  | | Book | | Origin 3. Hydrothermal Gem Deposits: 35 39 The Emerald Deposits of Colombia 4. Gemstones Formed in Pegmatites:...Sheet Gem Deposits: 115 119 The Zabargad Island, Egypt, Peridot Deposits 9. Diamond Pipes: 129 The Diamond...three chapters: hydrothermal deposits, with the emeralds of Colombia as an example; the pegmatites of Minas...respectively. The classic peridot of Zabargad Island, Egypt and the new find at Argyle in Western Australia...Australian opal deposits. The chapter on Colombian emeralds was reviewed by Dr. John Sinkankas. Dr. Alan Jobbins | | | Book | | Origin 3. Hydrothermal Gem Deposits: 35 39 The Emerald Deposits of Colombia 4. Gemstones Formed in Pegmatites:...Sheet Gem Deposits: 115 119 The Zabargad Island, Egypt, Peridot Deposits 9. Diamond Pipes: 129 The Diamond...three chapters: hydrothermal deposits, with the emeralds of Colombia as an example; the pegmatites of Minas...respectively. The classic peridot of Zabargad Island, Egypt and the new find at Argyle in Western Australia...Australian opal deposits. The chapter on Colombian emeralds was reviewed by Dr. John Sinkankas. Dr. Alan Jobbins |  | | Journal (issue) | | J. Gemm., 1990,22,3 1990,22, 3 The Brazilian emeralds and their occurrences: Socoto, SocotĂł, Bahia Dr...of Campo Formoso Carnafba and 40 km NE of the emerald deposit of Carnaiba (Figures 1 and 2). 2). The...BA-9 Salininhas BA-lO BA-10 Socoto Socotö 1. The emerald occurrences in Brazil. Fig. 1. Ceara CearĂą CE-ll... 50 50 100 Fig. 2. 2. Bahia state with the emerald occurrences of Socoto Socotö and Carnafba. Carnaiba...searching the waste material for emeralds. year 132 grams of emeralds from 'medium to good' quality had |  | | 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 âą 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...and hope that you will see his influence here in Emeralds of the World and in future issues. Gloria & Gunther |  | | Book | | any other region on Earth. The ancient diamond mines of India provided many of the most celebrated gemstones...Indonesia and the Philippines nurture exquisite South Sea pearls. Myanmar and Sri Lanka hold the most dazzling...apatite, scapolite, moonstone, zircon, garnet, tourmaline, iolite and amethyst. Upper Myanmar is the worldâs...desired of the jade minerals, while gigantic South Sea pearls are cultivated in the tropical seas off Myanmarâs...alexandrite, spinel, zircon, peridot, topaz, tourmaline, moonstone and a highly-prized chrysoberyl catâs |  | | Book | | Blende 76 Feldspar 126 126 150 Magnetite 115 Emerald 150 151 Malachite Marble Marcasite 125 151...Topaz 190 218 Tortoise Shell 195 196 218 Tourmaline 201 219 Tsavorite 224 Onicolo Onyx 158...cited benitoite and the medium to slightly dark red beryl, but their point is well taken. It is interesting...more familiar species, such as diamond, ruby, emerald, and sapphire, into the realm of lesser-known...the curator of minerals at the Paris School of Mines; the administration of the Paris Private Technical |  | | Book | | Angeles. Right: Unusual intergrowth of bi-color tourmaline crystals from William Larsonâs Stuart Mine in...California (USA). Next to it, a step-cut, red-green colored tourmaline of 21.50 carats from the same location...firmament Beryl: the palette of pastel colors Emerald: glittering like leaves in may Franz-Xaver Erni...black africa Topaz: chalice of golden crystal Tourmaline: alpha and omega Zircon: dizzying quick-change...colors of violet, blue, green, yellow, Orange and red. Collection: Eduard Gubelin, Lucerne. Photos: James |  | | Conference Proceedings | | Panjikar, Executive Secretary, India (center right, in red traditional sari). Then from left to right: Prof...in origin determination of ancient and medieval red garnet. 16:20 - 16:40 Karl Schmetzer, H. Albert...Recent challenges in identification of filled emeralds 17:20 â 17:40 Shang I (Edward) Liu, Kyaw Thu...Christophe, Pham Van Long: Trapiche texture in emeralds and rubies 9:20 â 9:40 Jarolsav Hyrsl : Genetic...Aaron J. Lussier and T.S. Ercit : Canadian gem tourmaline and the Leduc mine. 10:00 â 10:20 HĂ€nni, H.A |  | | Book | | Yeryfine, rare, pink diamonds. Emerald, alexandrite, garnet, and tourmaline are all significantly present...tanzanite and the lusciously nch greener-than-emerald tsavorite. Unique geochemistry in the area holds...interest. Rare and unusual garnet and chrome tourmaline are widely identified with the region. ( continuedon...73-carat tsavorite garnet, and a 22.69-carat chrome tourmaline. Courtesy of the 'Irelawney Collection of the...Tsavo West National Park, Kenya 44 Chapter 4. Emerald and Alexandrite from Tanzania 49 Location 50 History |  | | Journal (issue) | | diamond sorter. OBSERVATIONS ON SOME RHODESIAN EMERALD OCCURRENCES By N. A. METSON, B.Sc., and A. M. TAYLOR...authors (A.M.T.) was fortunate to inspect the emerald occurrences near Fort Victoria, Rhodesia. This...Considerable thanks are due to M r Cyril Gurr of the Mines Department, Fort Victoria, for his valuable assistance...guide to the area and for providing additional emerald samples for analysis. J. Gemm., 1977, XV, 8 ...investigation was to try and further our understanding of emerald formation in Nature by studying in particular the |  | | Book | | MarchâPisces 43 o DIAMOND: AprilâAries 50 EMERALD: MayâTaurus 60 PEARL, MOONSTONE, JuneâGemini... SAPPHIRE: SeptemberâVirgo 2. 14. OPAL or TOURMALINE: OctoberâLibra TOPAZ: NovemberâScorpio TURQUOISE...crowns and paraphernalia of the rulers of ancient Egypt and Mesopotamia were of breathtaking loveliness...time in their most dazzling forms. From India and Egypt, Phoenician merchants brought gems to ancient Greece...Gemstones 9 an emerald of fine quality, which is however less durable. Indeed the fire emerald is the most |  | | Book | | Silver superimposed on Sphalerite Back Cover: Emerald and Diamond Ring Title Page: top left, Strontium...Gold ring; top right, Rhodochrosite; bottom, Tourmaline GEMS AND JEWELRY A Bantam Book published by...Garnet 61 Quartz Gems 70 Opal 74 Topaz 78 Jade 81 Tourmaline 84 Feldspars 87 Pearl 91 Organic Gems 97 Spodumene...reverence in Pre-Columbian societies, and large emeralds became objects of worship. Gems are also hard...mineral resources. Just as in the case of gold mines and oil wells, the supply in any one place eventually |  | | Book | | 8 PAGE Tracing the Story of Gems PAGE 80 Tourmaline PAGE 88 18 Zircon& What1a Rridot Gem? PAGE...Rubyt Elizabeth Cockroft Schettler (the Schettler Emerald), and Zoe B. Armstro11g (tl1e Armstrong Diamond)...DeLong Star Ruby, the Midnight Star, the Schettler Emerald, n1any other stones, and virtually all of the diamonds...civilization, decorated with colorful, opaque stones-red carnelian, green steatite, agate, jasper, amazonite...EXPLOITATION OF THE LAPlS LAZULI MINES IN Badakshan, Afghanistan, and the turquoise mines on the Sinai Peninsula |
|
