 | 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 |  | Abd El Rahman, Reham, Taalab, Sherif, Al Full, Zainab, Mohamed, Mostafa, Sayyed, M., Almousa, Nouf, Hanfi, Mohamed (2022) Natural Radionuclide Levels and Radiological Hazards of Khour Abalea Mineralized Pegmatites, Southeastern Desert, Egypt. Minerals, 12 (3) 353 doi:10.3390/min12030353 | Journal (article/letter/editorial) | | Abalea Mineralized Pegmatites, Southeastern Desert, Egypt Reham M. Abd El Rahman 1 , Sherif A. Taalab 2, *...Abalea Mineralized Pegmatites, Southeastern Desert, Egypt. Minerals 2022, 12, 353. https://doi.org/10.3390/...Materials Authority, El Maadi, Cairo P.O. Box 530, Egypt; mounir_r79@yahoo.com (R.M.A.E.R.); mostafa24264@hotmail...Science, Al-Azhar University, Cairo P.O. Box 11884, Egypt Department of Physics, Taibah University, Almadinah...Egypt’s Eastern Desert, and it is bounded by the Nugrus thrust fault, a prominent shear zone. The shear |  | | Journal (issue) | | / 2022 Spinel from Tajikistan Cleopatra’s Emerald Mines DaylightFluorescent Hyalite from Namibia Gahnite...Lomthong and Theodore Rozet 156 Cleopatra’s 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...identification and analysis, infrared spectroscopy of emeralds, spinel colouration, topaz, tourmaline and more |  | | Report (issue) | | Chief Geologist i FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian...have made them sound financial investments. The emerald, considered by many to be the most beautiful of...the largest emerald crystal in North America — 1,438 carats. The most expensive cut emerald also comes...North Carolina. This is the 15.14 carat Carolina Emerald owned by Tiffany f, Company of New York and valued...valued at $100,000. First thought to be emerald but later identified as a chromium spodumene, the mineral | | | Report (issue) | | AND TORBERNITE THULITE AND PYRITE MONAZITE EMERALD CUPRITE SMOKY QUARTZ ZIRCON TORBERNITE ~/...Allen, Chief Geologist FRONT COVER PHOTO Twinned emerald crystal from North Carolina, photo from Smithsonian...have made them sound financial investments. The emerald, considered by many to be the most beautiful of...the largest emerald crystal in North America -- 1,438 carats. The most expensive cut emerald also comes...North Carolina. This is the 13.14 carat Carolina Emerald owned by Tiffany valued at $100,000. & Company |  | | Book | | eine Ay On| S ROCKS AND MINERALS The brilliant red crystals of rhodochrosite are often found associated...chert The opulence of opal Beryl, topaz, and mica Emerald and aquamarine Tourmaline and its kin The feldspar...these cracks, cooling rapidly on contact with the sea water, forming pillow lava - so named because of...atoms variations, and many gemstones, such as emerald, locked together in a strict pattern particular...watched the ‘new’ island of Surtsey rise from the sea oe es in 1963, and the Romans in Pompeii whose beautiful |  | | Journal (issue) | | 'solid phase' was a blue gem, in the other, a bright red stone. Each stone had its base sealed with what appeared...similar material in which the inclusions were a dark red-brown and which reportedly had been altered by heat...theRed Red Sea, Sea, or orsea-trader's sea-trader'sguide guideto to in the Periplus of the Red Sea and other...object upon earth; it is quite free from flaw and red as fire. Its value is so great that a price for it...could have been a large tourmaline crystal, possibly red in colour and from Burma where in modern times at |  | | 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 | | Crystals in Sedimentary Rocks 8 Minerals from the Sea 9 Minerals of Land-Locked Lakes 26 57 60 7/ 103...Minerals 17 Minerals for Atomic Energy 18 The Mines and Minerals of Cornwall 19 An Incombustible Fabric...luster. If asked to classify an assort¬ base of red hematite from ment of minerals, a beginning student...are always blue, and rhodonite is always red or 19 a red-brown. These colors are associated with a...such as the blue of sapphire, the red of ruby and the green of emerald. During growth, minerals may incorporate |  | | Journal (article/letter/editorial) | | was first discovered and mined at Hid denite. Emeralds have been found in at least three localities;...the present time, the 84 ROCKS AND MINERALS Emerald Valley mine is open to the public for a collecting...are plowed several times a year and may yield emerald, hiddenite, rutile, and quartz crystals. The following...mineral collecting sites in Alexander County: 1) Emerald, rutilated quartz, smoky quartz, and rose quartz...of SR 1492. 2) Emerald, aquamarine beryl, rose quartz, and rutile occur at the Emerald Valley mine, which |  | | Journal (article/letter/editorial) | | three workings; The Crabtree Emerald Mine, The McKinney Feldspar and Mica Mines, and the #20 Feldspar and...of them. Crabtree Emerald Mine. This is the more well-known of the two emerald mines of this state. It...north-west of Little Switzerland. The Crabtree Emerald Mine was first discovered in the early 1890's,...the mine's production was not in loose emeralds but as "Emerald Matrices." These stones were cut "en cabochon"...entire matrix, the resulting gems of bright green emerald, black tourmaline (schorl), and light-coloured |  | | Book | | Silicates Topaz Jade Jasper falls Ruby and sapphire Emerald Feldspars Mineraloids Amber Opal Decorative stones...fossils and beautiful shells. Growing up by the sea in Wales, I was fascinated by the things that the...shells. The hi1ls around were dotted with lead mines, and I was obsessed with the idea of finding gold...rocks), the formation of sediments in places like the sea floor (sedimentary rocks), and changes in form brought...Sediments transported as the rock cycle. to lhe sea build up inlo layers on the edges of the continems |  | | Book | | ABOVE A selection of cut sapphires from Australian mines; sapphires are Australia's most profitable crystal...happens when the inlet or outlet of an inland lake or sea is altered by geological uplift and the resulting...wavelengths; these produce the colours of the spectrum (red, orange, yellow, green, blue, indigo and violet)...hollow out the back of deep coloured stones, such as red almandine garnet, for the opposite effect. Artificial...effect to natural light; it enhances the beauty of emeralds and rubies, but diminishes the appeal of sapphires |  | | Book | | Geiger-Miiller counter. Radioactive minerals, e.g. uraninite, contain radioactive elements, especially uranium...luminescence of the blue corundum - sapphire and its red variety - ruby. Very often, however, different luminescence...are granular, dark grey-green, blackish-grey or red-brown rocks, occuring in Brazil, West Germany (ldar)...(ldar) and Bohemia (Giant Mountains). In their red-brown variety hot gases escaping from the magma formed...silver from its large masses; similarly the Saxon mines at Freiberg the centre of the ore-mining area of |  | | Book | | Artemision Bronze Diamond Koh-i-noor Diamond Ancient Egypt Hope Diamond 8 10 12 14 16 18 20 22 24 26 28 30...Albite Bytownite Lapis lazuli Jewels of ancient Egypt Sodalite Haüyne Kiani Crown Scapolite Pollucite...flamingo brooch Tourmaline Crown of the Andes Emerald Topkapi emerald dagger Beryl Dom Pedro Aquamarine Modern...Whether it’s the abundance of green or the danger of red, we have actually evolved to look for colors, and...diamond, tanzanite, ruby, kyanite, celestine, emerald, tourmaline, and aquamarine. Other types of gem |  | | | | Geiger-Můller counter. Radioactive minerals, e.g. uraninite, contain radioactive elements, especially uranium...luminescence of the blue corundum — sapphire — and its red variety — ruby. Very often, however, different luminescence...are granular, dark grey-green, blackish-grey or red-brown rocks, occuring in Brazil, West Germany (Idar)...(Idar) and Bohemia (Giant Mountains). In their red-brown variety hot gases escaping from the magma formed...silver from its large masses; similarly the Saxon mines at Freiberg — the centre of the ore-mining area |  | | Journal (issue) | | Chairman Clement Sabbagh Gemology Gem Quality Emeralds from Southern Ethiopia Members Jean Claude Michelou...mine-to-market, with detailed articles on the world’s mines right up through jewelry design and consumer market...Villegas, technical program manager for Pact’s Mines to Markets program. “This new GIA resource will...Considerations When Valuing Ruby, Sapphire and Emerald. Stuart Robertson, GIA GG - Spectacular Spectrums...Mitchell, FGA - Corals and Cameos…Gifts from the Sea. Eric Fritz, FGA Monday, August 14, 2017 - What’s |  | | Journal (issue) | | FEATURE ARTICLES 464 Geology of Corundum and Emerald Gem Deposits: A Review Gaston Giuliani and Lee...of the geology and genesis of gem corundum and emerald deposits. p. 569 512 A Review of Analytical... 637 614 Geographic Origin Determination of Emerald Sudarat Saeseaw, Nathan D. Renfro, Aaron C. Palke...F. McClure The relative chemical diversity of emeralds from different deposits worldwide allows clear...GIA to make geographic origin conclusions for emeralds. p. 655 648 Geographic Origin Determination |  | | Book | | for other economic minerals, diamond, sapphire, emerald and quartz wer~ later mined for themselves and...nephrite jade deposits '"'ere formed when ancient sea floor was thrust up into the fold belt in the Late...discovered in alluvials at nearby Cape's Creek, at tin mines near the junction with the Gwydir River. These stones...been substantially resorbed (Figure 8). Different mines produced a different mix of diamond habits, with...than others. George Smith (1926), Inspector of Mines in New South Wales from 1904-1925 and a noted mineral |  | | Journal (volume) | | Pierre Bariand A portfolio of unusuol crystals The Emerald by A. C. Hamlin A classic account of the world's...Monitor has re Arctic snows and waters far at sea. It has already built up noticeably in bodies of...subject. Currently he is 1ra11eling ,n Afnco. ("The Emerald") was 1he soo of rhe co-discoverer of the great...on the infamous Andersonville pnson comp "The Emerald" " from htS delightful "letSure Hours Among the...brown. Tlte choicest, as from Red Cloud mine, Arizona, are a deeper orange-red. This fine specimen is from |  | | Book | | or mineral must have formed in an I0 ancient sea and another in an ancient lava flow? By observation...of an even denser mantle, makes sense. From deep-sea submersibles scientists have been able to watch submarine...drifted to their present positions like ships on a sea of moving basaltic plates. But what happens to the...exemplified off the east coast of Japan, where a deep-sea trench marks a zone of subduction. There a westward-moving... water, or ice, and eventually by rivers to the sea, where they accumulate as layers of sediment. With |  | | Book | | changes in sea levels can swamp entire continents or make new landmasses rise from the sea. Since Lyell’s...very fine Hardness: 2-3 @ @ Color: gray, blue, red, brown, yellow Texture: stretchy when wet Look-alike:...smectite, illite @ Color: gray, brown, green, red @ @ Grain size: very fine Hardness: 3 @ @ Common...An organic, tropical soul, offen made from dead sea creatures Graceful in sheer white, | form in balmy...Mineral: calcite @ Color: white, gray, yellow, red @ Grain size: fine to coarse @ Texture: bedded |  | | Book | | tangled mass of fine, blackishgreen needles with shiny red grains between them. The freshly fractured surface...name to you. The green needles are hornblende, the red grains are nothing else but garnets, the same 'garnet'...found and smelted. Remains of Bronze Age copper mines can be found, for instance, in various parts of...choice of three colors: black, red and yellowish-brown. Two of these, red and yellowish-brown, were supplied... i~ also known as sapphire and ruby, beryl as emerald and aquamarine, and quartz has dozens of varietal |  | | Book | | Geiger-Muller counter. Radioactive minerals, e.g. uraninite, contain radioactive elements, especially uranium...luminescence of the blue corundum - sapphire and its red variety - ruby. Very often, however, different luminescence...are granular, dark grey-green, blackish-grey or red-brown rocks, occuring in Brazil, West Germany (Idar)...(Idar) and Bohemia (Giant Mountains). In their red-brown variety hot gases escaping from the magma formed...silver from its large masses; similarly the Saxon mines at Freiberg the centre of the ore-mining area of | | | Book | | Geiger-Miller counter. Radioactive minerals, e.g. uraninite, contain radioactive elements, especially uranium...luminescence of the blue corundum — sapphire — and its red variety — ruby. Very often, however, different luminescence...are granular, dark grey-green, blackish-grey or red-brown rocks, occuring in Brazil, West Germany (Idar)...(Idar) and Bohemia (Giant Mountains). In their red-brown variety hot gases escaping from the magma formed...silver from its large masses; similarly the Saxon mines at Freiberg — the centre of the ore-mining area |
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