 | | Journal (article/letter/editorial) | | everybody's satisfaction, so that a vast part of the sea has still to be considered as an area of scientiļ¬c...Allanite-(Ce) orthite Allargentum Alstonite Altaite Alunite Alunogen Amblygonite Amesite Amosite Amphibole...heliodor, goshenite, morganite, rosterite, bixbite, emerald Berzelianite Bicchulite Bikitaite (continued on...Al2O3 into ruby, displaying different shades of red, and Fe and Ti added to this Al oxide convert corundum...gemstones s.s. (diamond, precious corundum, topaz and emerald), semiprecious stones or gemstones s.l. down to | | | Journal (article/letter/editorial) | | everybody's satisfaction, so that a vast part of the sea has still to be considered as an area of scientiļ¬c...Allanite-(Ce) orthite Allargentum Alstonite Altaite Alunite Alunogen Amblygonite Amesite Amosite Amphibole...heliodor, goshenite, morganite, rosterite, bixbite, emerald Berzelianite Bicchulite Bikitaite (continued on...Al2O3 into ruby, displaying different shades of red, and Fe and Ti added to this Al oxide convert corundum...gemstones s.s. (diamond, precious corundum, topaz and emerald), semiprecious stones or gemstones s.l. down to |  | | 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 ā 17:40 Shang I (Edward) Liu, Kyaw Thu...Christophe, Pham Van Long: Trapiche texture in emeralds and rubies 9:20 ā 9:40 Jarolsav Hyrsl : Genetic...Pinctata radiata saltwater cultured pearls from Abu Dhabi (U.A.E.) 10:40 ā 11:20 Coffee breaks and |  | | Book | | Collophane 60 126 Hawkās-Eye 78 Citrine 59 Alunite : Carnelian 55 126 Fluorite Goshenite iis...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 |  | | 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 Ć 5.8 cm) was donated...1786. Although oral tradition has assumed the emeralds came from Austriaās Habachtal deposit, microscopic... Gem Notes 234 Emerald from the Chitral Region, Pakistan: A New Deposit Emerald with BertranditePhlogopite...RecordBreaking Laboratory-Grown CVD Diamonds | Mica-Coated Emerald Imitations from Zambia | Ring with Flat-Cut Synthetic |  | | Book (edition) | | Rare Sri Lankan orange sapphire of 57.26 carats. Emerald crystal, associated with calcite and pyrite, on...ancient world. These remote mines are perhaps the worldās longest operating mines, still yielding the finest...with Colombian emeralds Africa, Australia and Siberia. Magnificent Colombian emeralds first reached...and size those previously mined in Habachtal and Egypt (fig 4). Exploration of Brazil has revealed gem...lives. The majority are silicates and include emerald, aquamarine, peridot and amethyst, as well as many |  | | Book | | particularly in Greece, Turkey, Cyprus, Israel, Jordan, Egypt, Tunisia, North America, and China. Many of these...materials excavated in Greece, Turkey, Cyprus, Israel, Egypt, Tunisia, China, and North America. The word ālithologyā... Gerzean period, Egypt . . . . . . . . . . . 72 4.4 Chert Levallois core from Wadi Barramiya, Egyptian...Edfu, Upper Egypt . . . . . . . . . . . . . . . . . . . 77 4.7 Predynastic Agate blade from Wadi Bezeh, Egyptian...List of Figures Predynastic quartz blade from Wadi Abu Wasil, Egyptian Eastern Desert . . . . . . . |  | Hodges, C.A., Cox, D.P., Singer, D.A., Case, J.E., Berger, B.R., Albers, J.P. (1984) U.S. Geological Survey-INGEOMINAS mineral resource assessment of Colombia. Open-File Report Vol. 1984 (84-345) US Geological Survey doi:10.3133/ofr84345 | Report (issue) | | 30 Hot springs gold-silver deposits (5.6) 32 Emerald veins (5.10) 34 Volcanic-hosted massive replacement... ii Contents (Supplement) Page Figure 15. Emerald veins 33 16. Volcanic hosted massive replacement...non-metallic minerals included are barite and emeralds. The text that follows presents detailed descriptions...limited to metallic resources, with the exception of emeralds and barite. The assessment is based primarily...the world 1 s largest producer of gem-quality emeralds; in addition, barite, silver, iron, and, since |  | | Book (edition) | | Jade 62 Ruby and Sapphire 38 Turquoise 64 Emerald and Aquamarine 40 Malachite and Azurite 65 ...fire. Spotlights enhance diamonds, rubies and emeralds, while soft lighting brings out the glow of amber... 5 Is it a gem? beryllium in taaffeite and emerald (see pp. 40-41). Mohs selected ten well-known...because they are Despite being harder than quartz, emerald and resistant to chemical alteration, are sufficiently...1200 Ā°C. Also from this region come some of the red 3 Aquamarine, tourmaline, chemical conditions necessary |  | | Journal (article/letter/editorial) | | collected minerals in Crimea, on Caucasus, on Black Sea coast, in Turkey, Greece, Italy, France, Switzerland...Here, among caressing nature of the Mediterranean Sea, a wondrous pink tourmaline was so perfectly in harmony...harmony with gray granite rock, and the sparkling red hematite blinded eyes with the shineĀ» (Fersman, 1974)...visited Kochkar gold mines and Semenovsky mine. They have examined monazites and in mines along the Kamenka... serpentines, have visited a maximum number of mines with pegmatites and have collected a lot of samples |  | Giuliani, Gaston, Dubessy, Jean, Ohnenstetter, Daniel, Banks, David, Branquet, Yannick, Feneyrol, Julien, Fallick, Anthony E., Martelat, Jean-Emmanuel (2018) The role of evaporites in the formation of gems during metamorphism of carbonate platforms: a review. Mineralium Deposita, 53 (1) 1-20 doi:10.1007/s00126-017-0738-4 | Journal (article/letter/editorial) | | in the greenschist facies (Colombian and Afghan emeralds) and with huge fluid-rock metasomatic interactions...protoliths to form gem minerals. Keywords Gems . Emerald . Ruby . Garnet . Zoisite . Lapis-lazuli . Metamorphism...ornamental gemstones such as Colombian and Afghan emeralds, rubybearing marbles in Central and Southeast...metamorphic deposits such as Colombian and Afghan emeralds, Asian ruby-bearing marbles, tsavorite and tanzanite...Colombian emerald deposits Located in the Eastern Cordillera basin, the Colombian emerald deposits define |  | | 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 HaĆ¼yne Kiani Crown Scapolite Pollucite...flamingo brooch Tourmaline Crown of the Andes Emerald Topkapi emerald dagger Beryl Dom Pedro Aquamarine Modern...Whether itās 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 |  | | Book (volume) | | and the extensive pegmatite dike exposures and mines. BON HOMME & CHARLES MIX COUNTIES SCOTLAND to WAGNER...CUSTER: ļ N, (1) near Laughing Water Cr., many area minesļ¾Columbite, Gold, Silver, etc.; and (2) Old Marble...area, to Deer Camp rd., turn in Ā¼ mi.: (a) area mines, (b) in rocky uplift along side of rd., and (c)...Carter Ranch and S along Pleasant Valley Cr. in Red Canyon, areaļ¾banded agate, Jade, jasper, fossils... FALL RIVER COUNTY AREA: The Uranium-Vanadium mines of the Edgemont Mining Dist.ļ¾Autunite, Becquerelite |  | | Journal (article/letter/editorial) | | sulphate material. The mineral is present as large red-orange stains with black stibnite stains against...Minerals of California," pub. by the State Div. of Mines. The former lists a locality in Washoe Co., Nev...Cherokee County, Ga.). It is 2 cm. across, dark red apparently of gem quality. Its index of refraction...limonite) was received. The other specimen was a dark red hematitic sandstone. KENTUCKY ā One of our good friends...Since the good crystals do not occur in the salt mines of south Louisiana I shall have to wait till I can |  | | Report (volume) | | Bulletin 1693} Bibliography 1. Ore Deposits. 2. Mines and mineral resources. I. Cox, Dennis P. II. Singer...quartz-alunite Au, by Byron R. Berger 155 158 Grade and tonnage model of epithermal quartz-alunite Au...barite, by Greta J. Orris 31c Descriptive model of emerald veins, by Dennis P. Cox 216 219 Deposits in...epithermal quartz-alunite vein deposits 160 Gold grades of epithermal quartz-alunite vein deposits 160...epithermal quartz-alunite vein deposits 161 Copper grades of epithermal quartz-alunite vein deposits 161 |  | | Report (issue) | | 84 93 96 ā¢ ā¢ Honduras United States ā¢ ā¢ā¢ Egypt ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ ā¢ā¢ā¢ French Equatorial Africa ā¢ ā¢ā¢ ...most highly p1Ā·ized varieties of pearl., diamond, emerald, ruby, sapphire and precious or '' noble '' opal...back of the stone and emerge as separate rays of red, blue, yellow, and other coloured light. The brilliant...diamond is strictly limited by the producers. Emerald, the most precious of all gemBtones except pearl...are no standards of beauty~ Ā· Amethyst and deep red _g arnet were used in jewellery to a consider.a ble |  | | Book | | SOUTH WALES DEPARTMENT OF . MINES 2'4109 (75 c) DEPARTMENT OF MINES GEOLOGICAL SURVEY OF NEW SOUTH...of the Hon. J. B. Simpson, M.L.A., Minister for Mines 24109-1 ., THE MINERAL INDUSTRY OF NEW SOUTH... 35 36 36 36 36 36 37 38 38 39 41 Page 7. EMERALD AND BERYL- A. Composition and Properties 41 42...WALES No. 18 GEMSTONES (Opal, diamond, sapphire, emerald. etc.) Compiled by G. RosE (August, 1960) II ...publication:Opal, Diamond, Sapphire and Ruby, Emerald and Beryl, Topaz, Turquoise, Garnet, Spinel, Titanite |  | | Book | | Htwi'atr Member PITTMAN, F. of the Royal School of Mines, of the Inatitntioii of London; Mining and Metallurgy...HONORABLE J. L. FEGAN, M.P., Minister for Mines. SYDNEY: WILLIAM APPLEGATE GULLICK, GOVERNMENT...Goli Geological Survey Branch, Department of Mines, Sydney, 1st October, 1900. Sir, hare the honor...obtained from the Annual Reports of the Department of Mines, compiled by yourself and your predecessor, Mr... The managers given me much of the various mines alluded to have courteously- valuable information |  | | Journal (issue) | | engineering degree from the Camborne School of Mines, Cornwall, U.K. With 14 yearsā experience in solid...India has been totally independent of the local mines (Sevdermish and Mashiah, 1996). Early Developments...from De Beers probably originated from De Beers mines in South Africa (e.g., Premier and Finsch), from...rough diamonds was obtained from U.S. Bureau of Mines (1966ā1978). The formula is used only for years...(Numbers calculated from data in U.S. Bureau of Mines, 1979ā1984, 1992ā1994, 1995; U.S. Geological Survey |  | | Journal (issue) | | reference to the synthetic emerald, was studied. Four small synthetic emeralds and an apatite were used...alkali acts as a vigorous degreaser and oiled emeralds, for instance, emerge from the bath looking very...and fluorescence spectrum and the rather subued red of their colour. Specimens of " K a s h a n " rubies...provides the appearance of natural "silk", and the red in the base of synthetic ruby is quite enough to...ultra-violet light while the base shows a bright red glow. And the same wary observer will not be satisfied |  | | Journal (issue) | | AND CUMENGĆITE , 166 NOTABLE MINERALS IN WESTERN MINES , 168 . SPECIFIC GRAVITY , 170 THE STUDENTS ' MINERALOGICAL...Hillebrand mention some which are emerald green , and a few that are pink with emerald green centers . . The writer...direction of the vertical axis the color being deep red , and in the direction of the lateral axis pale brown...in these heads by heading the latter to a bright red heat and forcing them in by pressure . The diamonds...NOTABLE MINERALS IN WESTERN MINES . By MAYNARD Bixby . PART II . The mines of Tintic District , Utah |  | | Book | | in the stone you may actually see fossils of the sea creatures that swam in these ancient oceans. Your...the pressure. A magnifying glass might reveal tiny red spots e1nbedded in the rock. A mineral hunter might...for carving and gilding silks respectively. Bright red cinnabar (top-right) has been mined as a source of...first great civilizations, such as that of Ancient Egypt. Tin only occurs in any quantity in the ore cassiterite...and a sharp eye and that sedi1nent washed into the sea fortns new sedimentary rocks. H e also can fin d |  | | Journal (issue) | | at Schmidtmannshall, Prussia. Baddeckite: copper red slabs in clay near Baddeck, Nova Scotia. Baddeleyite:... 158 THE MINERAL COLLECTOR. Beresowite : deep red lamellar with galenite and cerussite at Ber , esov...azurite in cavities. Caswellite: a micaceous, copper red mineral with rhodonite, poly adelphite, etc.,from...crystalline forms from the Alps. Cosmochlore : emerald green splinters in the Toluca meteoric iron. Courtzilite:...Oregon. THE MINERAL UOLLEUTOR. 1ā59 Euchlorine : emerald green coating on lava at Vesuvius, Fedorovite: |  | | Book | | and named after Aegir, the Scandinavian god of the sea. It is a pyroxene, one of a group of about 20 silicate...all surface impurities have been removed. ALUNITE Alunite has a range of industrial applications including...styptic pencils and as a white pigment in paint. Alunite is a secondary mineral formed mainly by the alteration...Sources: @ Australia Ā¢ Italy Ā¢ Spain Ukraine Alunite has a wide range of industrial uses. It 1s an important... Below: Although this specimen of the mineral alunite appears to have little shape, microscopic examination |  | | Book | | Marshall, Anthony E. Fallick and Yannick Branquet Emerald Deposits: A Review and Enhanced Classiļ¬cation Reprinted...Mohamed, Supharart Sangsawong and Abeer Al-Alawi Emeralds from the Most Important Occurrences: Chemical...nondestructive methods. He is frequently visiting gem mines and pearl producing areas around the globe and often...and Karampelas et al. [12] present studies on emeralds; the bluish-green to green to yellowish-green...review proposed an enhanced classiļ¬cation for emerald deposits based on the geological environment (magmatic |
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