 | | Book | | stimulated man’s eagerness to copy, and in ancient Egypt, Greece and Rome, glass was used in imitation. It...In daylight it is green, and in artificial light red (centre and right centre). This effect is partly...said to have been discovered in Russia in the emerald mines of the Tokovaya, in the Urals. This discovery...aggregates are used instead. The fibres are red and produce a red solution when cut (the cutters appear to...(Alexandrite), rough and cut. Artificial light, red. Daylight, green Middle and bottom left: Chrysoberyl |  | | Journal (issue) | | chimney of a kiln used in paint manufacture, and the zincite which condensed on the chimney walls is now on...will include important contributions on rubies, emeralds and collectors' gems. Plans are in hand for further...and the quiet trickle of sand on the bottom of the sea stir up everlasting motion - there lies the cradle...UTD: I did not notice much. The famous sapphire mines are Loke Khat (Kadaykadar), Chaunggyi (north of...Unknown Author, R.W.H. Unnamed 41.04ct; faceted; emerald-cut; sold at Sotheby's New York, October 1986 for |  | | Journal (issue) | | Synthetic Zincite Ji Zhang, Yujie Gao, and Guanghai Shi Investigates the properties of synthetic zincite produced...Lab Notes Three faceted collector stones • Orangy red cordierite • Cape diamond with yellow phosphorescence...of Ethiopian emerald • Burmese gem report • Conversation with Gemfields • Ruby and emerald mining updates...• Cultured pearl market • Moroccan amethyst • Emerald dealing in Afghanistan • Montana sapphire production...Plastic imitation of amber • Mixed-type treated red HPHT synthetic diamond • Filled calcite with strong |  | | Journal (issue) | | than in that of the dealer who purchased a fine "emerald" crystal on Bogota's famed Avenida Jimenez, only...lazuli deposits, significant a m o u n t s of fine emerald, tourmaline, k u n z i t e , a n d s o m e rubies...w emerging from that e m b a t t l e d nation. Emeralds c o m e primarily from t h e Panjshir Valley,...located. T h e prospects for future production of emeralds a n d pegmatite g e m s , i n particular, are...deposits of lapis lazuli, significant quantities of emerald, tourmaline, and kunzite, among other gem materials |  | | Journal (issue) | | J. Gemm., 1990,22,3 1990,22, 3 The Brazilian emeralds and their occurrences: Socoto, Socotó, 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 Cearâ 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 |  | | | | Graphite — The "Lead" That Isn't.35 Beryl — The Emerald .36 Cinnabar — "Live" Silver.38 Diamond — Gems...moment—even if it’s on the deck of a ship far out at sea—there is rock underneath you. The entire outside...soil and growing things. But everywhere beneath sea or soil, the crust is there, about 3 to 5 miles thick...by a sort of squeezing-together process, in the sea. Billions of bits of rock were always being rubbed...and rivers. These rock bits were carried to the sea, where they sank to the bottom. There, they were |  | | Book | | Marmatite Exotic Agate Turquoise Quartz Ruby Emerald Flint Arrowhead Gold N ugget Text and illustrations...That Isn't ................... 35 Beryl - The Emerald . .. ......................... . . 36 Cinnabar...n1oment-even if it's on the deck of a sh ip far out at sea-there is rock underneath you. The entire outside...soil and growing things. But everywhere beneath sea or soil, the crust is there, about 3 to 5 miles thick...by a sort of squeezing-together process, in the sea. Bi !lions of bits of rock were always being rubbed |  | | Show/Event (guide) | | Quartziam Exportadora 74 77 Rainbow King Solomon 38 36 Red Shell 51 6 Rhodochrosite by Giovanna 30 76 Rockaway... BALLROOM 7 0 5 + C O U R T PAV I L I O N 1 3 2 BALTIC SEA BEAUTY IN AMBER JEWELRY WWW.AMBERGEMS.COM E-MAIL:...MYMINING NIGERIA CP49 F i n e cuttourmaline,garnets,emerald, rough ABSOLUTEJEWELRYMFG. R R 14+15+ 25 CP5 -...COSMICHIGHWAY R117 Rocksfromcosmos,minerals,educational, zincite goldenandgreencosmis class CRAFTSTONES AS5+ 6...CP52 Sterlingsilverjewelry,vintagesilverand gold Emerald,ruby,sapphire,aquamarine,pink beryl, alexandrite |  | | Journal (issue) | | diamonds, jade identification, pearl research, and emerald treatments. The technological advances of the past...Ostrooumov is professor at the St. Petersburg School of Mines, Russia, and currently professor at the Universidad...is assistant professor at the Nantes School of Mines, in Nantes. Please see acknowledgments at end of...adornment can be traced back 70 centuries, to ancient Egypt (Branson, 1975). Today it is popular in fine jewelry...number of treated samples from known turquoise mines around the world, as well as some untreated natural |  | | 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 |  | | Book | | Includes Ruby and Sapphire 32 Beryl: Includes Emerald and Aquamarine 33 Pearl 37 Topaz 40 Opal 40 Spinel...minerals are seen there. Perhaps only diamond, ruby, emerald, aquamarine, sapphire, opal, tourmaline, and amethyst...gemstones which include diamond, ruby, sapphire, and emerald all have a hardness much greater than 5 /2. The...green, red, brown, yellow, blue, or black. Chromium gives rise to tints of green, violet, red, and yellow...(aquamarine), as pink (morganite), as rich green (emerald), as yellow (heliodor), or even lapis lazuli, |  | | Journal (issue) | | van der Plas, J. van Us & M. Steiner The best zincite crystals from Franklin, New Jersey ..............................:...... . 559 Sainte-Marie-aux-Mines Show 2013 by T. P. Moore ......... . 565 issue...In this issue we present a review of the best zincite specimens from Franklin, New Jersey. The selection...collectors take great pride in their old historic mines, and instead of bulldozing them into parking lots...aragonite, cubic pyrite, chalcopyrite, malachite, red sphalerite, 478 cerussite, some attractive crystalline |  | | Book (edition) | | used in rings, cameos, and drinking vessels in Egypt over 3,000 ago. (answers on the back flap) we...Species Ruby 98 A papphe ae 106 Beryl Species Emerald 106 Aquamarine 110 Precious Beryl 112 ~ 114 Chrysoberyl...jasper, coral, lapis lazuli, pearl, serpentine, emerald, and turquoise. These stones were reserved for...The English Imperial State Crown with rubies, emeralds, sapphires, pearls, and more than 3000 diamonds...(compare also “Cullinan |.,” page 78, No. 3). The large red stone above “Cullinan II.” is the so-called “Black |  | | Book | | "Patricia Emerald," Colombia, 629 carats, 6.6 cm ( I ½ in.) high. Right: The "Schettler Emerald." See page...Gemstone crystals including tourmaline, aquamarine, emerald, morganite, heliodor, topaz, kunzite, spodumenc..."semiprecious" have been used to separate diamonds, emeralds, rubies, and sapphires from all other gems, but...or crystal shape. For exarnple, ruby is Lhe blood-red variety of corundum as well as the nan1e of the gem...stones were eventually recovered, but a number of emeralds and all of the diamonds were never returned-a |  | | Journal (issue) | | BERYL (Be 3 Al2(Si03) 6 ) T h e synthesis of emerald was academically accomplished before 1939, b u...San Francisco, California, m a d e the synthetic emerald a commercial proposition. Aided by the investigations...factors which gave this distinction from natural emeralds were their low density, a n d their low refractive...constants for the synthetic emeralds grown by Carroll C h a t h a m a n d natural emeralds from various sources...in a Chatham synthetic emerald. Typical feathers in a Chatham synthetic emerald. 103 Feathers in a |  | | Journal (issue) | | hope that they might be emerald. I n appearance they did indeed resemble emerald, though not of quite the...almost emerald-green colour. There was a doublet and a number of other narrow lines in the red end of...stone h a d been sent to this country as "Pakistan emerald", and was in the form of a green broken crystal...demantoid (0-057), b u t m u c h higher than for emerald (0-014). T h e new stones thus have a distinctly...Gemology, 1965-66, XI, p. 366. 119 SMARYLL—A NEW EMERALD DOUBLET By ROBERT WEBSTER, F.G.A. T H E use of |  | | Book (edition) | | a substitute for lapis lazuli? 4. What stone is red inside, has a green "skin" and is "watermelon"? ...Ruby 82 Quartz group 116 Sapphire 86 Jade 154 Emerald 90 Peridot 158 Aquamarine 94 Zoisite 160 Beryl...jasper, coral, lapis lazuli, pearl, serpentine, emerald aod turquoise. These stones were reserved for the...Canary stone Canary diamond Cape chrysolite or Cape emerald Cape ruby Ceruline Black coral Dioptase Green...chiastolite Chrysoberyl cat's eye Synthetic red corundum Red tourmaline Kyanite Sodalite Small seed pearls |  | | Book (edition) | | Hematite Prasiolite 136 Rose Quartz 138 Sard 142 Emerald 106 176 176 178 Pyrite 136 Chalcedony 142...jasper, coral, lapis lazuli, pearl, serpentine, emerald, and turquoise. These stones were reserved for...The English Imperial State Crown with rubies, emeralds, sapphires, pearls, and more than 3000 diamonds...(compare also “Cullinan I.," page 94, No. 3). The large red stone above “Cullinan II." is the so-called “Black...Preferred Gemnological Name Adelaide ruby African emerald Alaska diamond American jade American ruby Arizona |  | | Journal (issue) | | brown-yellow and pea-green) and aquamarine (light sea-green and straw yellow). A typical Abbott touch is...the origin of the disklike cracks, is a very dark red garnet. According to its colour, it belongs to the...value. T w o familiar examples are corundum and emerald, which as minerals are relatively common in a grade...includes one star-emerald in his catalogue of the Townshend Collection: 5 " Emerald. With six-rayed black...chatoyants and asterias. I should imagine that star-emeralds are rare, and I have never seen one. I should |  | | 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 |  | | Journal (issue) | | IMFORMATIOM: Anyone interested in the minerals, mines, or mining history of the FranklinOgdensburg, New...Jersey area. Articles related to the minerals or mines of the district are welcome for publication in The..."Mine Pearls" from the Sterling Hill Mine Al Jehle Zincite Comes to Light John A. Jaszczak and Stanley J....has now given us the saga of an extraordinary zincite specimen, preserved in the MTU mineral collections...The spinels less than 0.5 cm in size were often red to purple in color, but as the size of the crystals |  | | Book (volume) | | gravel pit to SWagate. FURNAS COUNTY BEAVER CITY, red and green material in the Niobrara chalk depositchert...riversagate, chalcedony, jasper, silicified wood. RED WILLOW COUNTY McCOOK, in Republican R. basin as far...Pine Co. after 1868. The enormously rich Silver mines of Virginia City and later Aurora (in present day...( 25 mi. SE of Lovelock in Pershing Co.), area minesIron and Mercury minerals; far NW part of Co....Frenchman on US 50): NW to old camp of Buena Vista, mines in Triassic sedimentaries cut by granite intrusivesIron |  | | Book (edition) | | in line with modern knowledge. In the cases of emerald and ruby and sapphire new sources of supply have...edition. Thanks, too, to De Beers Consolidated Mines Ltd, for the information on the Botswana diamond...xxi Preface to the Second Edition Consolidated Mines Ltd; Messrs Garrards Ltd (The Crown Jewellers);...the incorporation in this work of my articles on emerald, ruby and sapphire, and marble, as well as a number...right) in eclogite, which also contains garnet (red) and pyroxene (black) One other kind of volcanic |  | | Book (edition) | | of the Turquoise sea gently drifting on to the Citrine shore, edged by lush Emerald plantation is something...be too hot to sit outside? Worse still, will the sea have risen so much they no longer have beaches as...come. Take a Ruby, Sapphire, Topaz, Amethyst, Emerald or any one of Nature’s colourful mineral creations...Somebody is going to say “it’s jet black”, “it’s ruby red”, “tears of pearls” and you will smile knowing the...colours and shades such as those seen in the Maldivian sea, then they will at least have a small compromise |  | | Book (edition) | | IT Io 1. BERYL CRYSTAL, 5. 5. BLUE BERYL. TO. EMERALD. ITI. 2. FIGURE OF 6. YELLOW DIAMOND. 12. ...4. SAPPHIRE. GOLDEN BERYL. 09. AQUAMARINE. 14. EMERALD CRYSTALS (IN MATRI¥) GEMSTONES by G. F. HERBERT...reproduce the photographs of the ‘ Devonshire’ emerald and of the absorption-spectra of zircons, which... DIAMONDS MACHINES IN COLOUR ‘DEVONSHIRE’ EMERALD CRYSTAL ABSORPTION-SPECTRA XXXITI. OPAL XXXIV...OUT DIAMOND-SORTING 2, AQUAMARINE XXXII. TO MINES, WHITE CLIFFS, IN COLOUR 1. PEARL-DIVERS WITH |
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