 | 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) | | / 2022 Spinel from Tajikistan Cleopatra’s Emerald Mines DaylightFluorescent Hyalite from Namibia Gahnite...156 Cleopatra’s Emerald Mines: The Marketing of a Myth By Jack M. Ogden 114 Apatite from Slovakia |...| Afghan Emerald with Gota de Aceite Phenomenon | Zircon Inclusions in Emeralds from Lake Manyara, Tanzania...Melee-Sized Colourless HPHT-Grown Synthetic Diamond with Red Fluorescence | Manufactured Silica Glass Sold as...identification and analysis, infrared spectroscopy of emeralds, spinel colouration, topaz, tourmaline and more |  | | 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 Classification 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 |  | Zerboni, Andrea, Vignola, Pietro, Gatto, Maria Carmela, Risplendente, Andrea, Mori, Lucia (2017) Searching For the Garamantian Emerald: Reconsidering the Green-Colored Stone Beads Trade In the Ancient Sahara. The Canadian Mineralogist, 55 (4) 651-668 doi:10.3749/canmin.1600052 | Journal (article/letter/editorial) | | 3749/canmin.1600052 SEARCHING FOR THE GARAMANTIAN EMERALD: RECONSIDERING THE GREENCOLORED STONE BEADS TRADE...beads traded in Garamantian times originated from Egypt and Mauritania. We discuss the archaeological implications...Saharan trade routes. INTRODUCTION: THE GARAMANTIAN EMERALD The French explorer Henri Duveyrier undertook a...the Garamantian emerald (Duveyrier 1864). This term, however, does not refer to emeralds in the modern...After more than 150 years, the term Garamantian emerald is currently in use as a descriptive term in the |  | | 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...northern Germany. The powers that be across the sea in England were looking for an eligible bride for |  | | 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 |  | 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 |  | | Journal (issue) | | sapphirine (Column 2, mean of 3 spots analysed) and an apatite inclusion in the sapphirine (Column 3, mean of...total Fe is given as FeO. The low total for the apatite analysis may mean that OH or F is present; CI was...polished fragment of sapphirine was identified as apatite (Table 1, column 3), and it is possible that the...calcium in the ICP analysis are attributable to apatite inclusions. The ICPS analysis indicates the presence...J. Gemm., 1990,22,3 1990,22, 3 The Brazilian emeralds and their occurrences: Socoto, Socotó, Bahia Dr |  | | Book | | GRAIL FROM SATAN’S CROWN TO THE HOLY GRAIL Emeralds in Myth, Magic, and History Diane Morgan Library... 1947– From Satan’s crown to the holy grail : emeralds in myth, magic, and history / Diane Morgan. p...index. ISBN 978–0–275–99123–4 (alk. paper) 1. Emeralds—Miscellanea. I. Title. QE394.E5M67 2007 2007000068...Rock 9 3 From Mine to “Mine”: 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 |  | | Journal (article/letter/editorial) | | -*- schists occurring in the Eastern Desert of Egypt. So far as we are aware, no study of this group...metamorphic rocks has as yet been undertaken as regards Egypt itself. Yet this method of attack is essential if...that schists occupy vast areas in south-eastern Egypt, and are also present in Sinai; also among them...in the region which contains the ancient emerald (beryl) mines of Sikait, Zabara, and Um Kabu. Here a thick...15613) from the Sikait emerald mine area. (2) Talc-schist (No. 10327) from Wadi Allawi, in the Zabara |  | | 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 | | 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 Budha’s 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 Agricola’s De Natura Fossilium 24 Gesner’s |  | | 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...and hope that you will see his influence here in Emeralds of the World and in future issues. Gloria & Gunther |  | | Journal (article/letter/editorial) | | Element and Incompatible Trace Element Abundances in Emeralds Reveal Their Formation Environments Raquel Alonso-Perez...Element and Incompatible Trace Element Abundances in Emeralds Reveal Their Formation Environments. Minerals...harvard.edu; Tel.: +1-617-301-2175 Abstract: Emeralds require the unusual association of typically compatible...abundances are reported for a global suite of emeralds, enabling the identification of the environments...environments in which they formed. Type IIB emeralds have nearly flat continental crust normalized REE patterns |  | | 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...East Africa Elbaite Tourmaline from Tanzania 96 Red Dravite Tourmaline from the Narok District, Kenya...ActinoliteTtemolite 111 Agate 114 Amazonite 114 Amethyst ll7 Apatite 117 Beryl ll8 Diopside ll9 120 Enstatite 121 Euclase |  | | 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 – 17:40 Shang I (Edward) Liu, Kyaw Thu...Christophe, Pham Van Long: Trapiche texture in emeralds and rubies 9:20 – 9:40 Jarolsav Hyrsl : Genetic...Pinctata radiata saltwater cultured pearls from Abu Dhabi (U.A.E.) 10:40 – 11:20 Coffee breaks and |  | | Journal (article/letter/editorial) | | Mineralogical and geochemical characteristics of emeralds from the Leydsdorp area, South Africa J.E. Lum...Society of South Africa Abstract The world’s oldest emerald deposit occurs in the Gravelotte-Leydsdorp area...Limpopo Province of South Africa. Emeralds have been mined from the main emerald working, the Cobra pit, since...since 1927, although emeralds were discovered in the area much earlier. The emerald mineralisation is closely...closely linked with albitite pegmatites, with the emeralds confined almost entirely to metasomatic zones |  | | Journal (issue) | | Burmese Sapphire and Peridot from Mogok History of Emerald Mining at Habachtal, Part I New Regular Feature:...Sapphire and Peridot from Mogok and a History of Emerald Mining in Habachtal, Austria Duncan Pay FEATURE...is available in large sizes. 338 History of Emerald Mining in the Habachtal Deposit of Austria, Part...region, which is regarded as one of the earliest emerald deposits. p. 373 REGULAR FEATURES 372 Lab Notes...of antique Mughal spectacles with diamond and emerald lenses • Pink euclase • Vaterite on strand of freshwater |  | | 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 |  | | 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 |  | | Journal (issue) | | Pisciotta The Wadi Natrun evaporite deposits, Western Desert, Buhayara Governate, Egypt ................Ohio, in the northern Michigan iron and copper mines, at Magnet Cove in Arkansas, and at various other...Kjellman2 Jörgen Langhof 3 The ancient Nordmark mines in the Bergslagen District of south-central Sweden...15 mining fields, each containing several iron mines, have been worked there over the centuries. The...may have been widespread in the various Nordmark mines (Flink, 1885, 1914). 1 The Mineralogical Record |  | | Book | | Amblygonite 60 67 60 Danburite Andradite 70 Apatite 70 Aquamarine val Aventurine 73 131 131...Blende 76 Feldspar 126 126 150 Magnetite 115 Emerald 150 151 Malachite Marble Marcasite 125 151...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 | | new case to fracted that causes the colour of emerald, work on. The study of gemstones the fire of...Item ITEMS - Mohs' Scale Item 1 Talc 5 Apatite 7 2.5 Finger nail 5.5 Glass window 8 Topaz...defined by sets of parallel faces and their angles. Emerald is found as hexagonal prisms (see the diagram)...which combine to make the hexagonal prism shape of emerald 8 be Three of the cube's nine planes of symmetry...others. There are six planes of symmetry. iv, H7 apatite beryl Similar to the hexagonal system. There |  | | Book | | the gem material itself, such as in the case of emerald. It can also refer to the occurrence of an unusual... Rarity of occurrence } Garnet and ruby are two red gemstones, Ruby is considerably more expensive, partly...its rarity. Its greater hardness and more intense red coloration also account for the difference in price...minerals in the hexagonal system include emerald, aquamarine, and apatite. Calcite, quartz, and tourmaline are...The term “ruby” was used for many red stones that were not the red variety of the mineral corundum—the |
|
