 | | Book (volume) | | NORTInHIwo AME A Volumes John Sinkankas _ GEMSTONES OF NORTH AMERICA In Two Volumes ® Volume I Gemstones, of...of all the mineral treasures to be found in North America, are perhaps the most fascinating—and the...worthy of the name. Some, like the emeralds of North Carolina, the colorful and fabulous tourmalines and...review of deposits, a helpful geographical index, and an exceptionally complete listing of books and arucles...above all, easily read and understood, GEMSTONES OF NORTH AMERICA, Volumes I and II, will be welcomed as a |  | | Journal (issue) | | T. Trofimov Nikolay P. Yushkin John S. White (USA) English (Style) Design idea Layout Photo: Layout...John S. White (USA), Peter Modreski (USA), Edward Rosenzweig (USA), John F. Rakovan (USA) Dmitrii A. Kilpio...Almanac Mineral-Almanac Ltd, USA 10896 W. Beloit Pl. Lakewood, CO 80227, USA E-mail: minbooks@online.ru...known of all is the famous ,,Emerald-Hand stein", an assemblage of emerald crystals from different Colombian... Among them was the "Vienna I mperiaJ Opal", an precious opal found in 1672 in Dubnik (former Czerwenitza) |  | | Journal (issue) | | Winter Branch Chairmen: Midlands - G.M. Green, North West - 1. Knight, Scottish - B. Jackson Examiners:...of euclase have been recorded from New Zealand, USA (Sharp, 1961), Europe, Guyana, Sri Lanka (Deen, 1984)...crystals were sold in the 1930s to collections in the USA (Pough, 1991; see also Dirlam et al., 1992; McKie...pegmatite was mined for microlite and tantalite and was an important source of gem beryl, producing both aquamarine...pegmatites mined in south-west Uganda and at Kihandu mine, an unusual form of beryl with acute bipyramidal form |  | | Report (issue) | | Arkansas 23rd 1987 24th 1988 Greenville. South Carolina 25th 1989 Portland. Oregon o nh Aurora. Illinois...products testing Edwin H. Bemzen Ill, Ore Sorters (North America), Inc . ........ .. . ............ .......consisted of technical sessions, a local field trip. and an optional three-day trip. All of the papers presented...hospitality room to test the efficacy of that sys tem. An optional field trip took 45 participants to mdusmal... the form of soapstone. has an international market as fine -quality an-curving material, and gemstone |  | | Book | | Phisicke, 1601. Theophrastus's History of Stones, with an English version by Sir edition, 1774. The American...sciences, demands industry and attention and to become an accomplished mineralogist much and carean acquaintance...importance. It is true minerals frequently occur in an amorphous state ; in which case, the particles of..., or Rhombohedral. lateral axes, intersecting at an angle of 60°, and one vertical axis at right angles...the Diamond, and in a less degree by the Precious Opal. Change of Colours is of a somewhat similar nature |  | | Report (issue) | | .. ... .. . 5. North-Western District, by J. V. Stephens, B.Eng., B.Sc. ... 6. North-Eastern District..., . .. ... ... ... D.I.C., F.R.S., F.R.S.E. 2. North Lowland District, by J. Knox, B.Sc., F.R.S.E. ....there may be an interval of more than ·thirty years before it is possible to undertake an effective revision...of the M esozoic and sub-Mesozoic rocks, beneath an area of low gravity anomaly revealed by geophysical...essential to collect all the information upon which an assessment can be made of reserves for current and |  | | Book | | The Great Opal Kelsey I. “The Newman Flame Queen” Collection THE MAGIC AND SCIENCE...and for atom, to than stone man for orderly an completeness cases, more which talismanic of... Kelsey collection the precious “The Flame opal, for Newman, and opals of his use unique ...242 . 260 XXl. —Obsidian—Onyx .... XXII.—The Opal 276 286 Great Australian XXIII. —The Flame ... 121 Queen XXIV. —Various Kinds of Opal 300 .... Opal . . . XXV. —Pearl 302 307 XXVI. —Pearl |  | | Book | | jewelers qirectory of gemstones The jewelers elf< CLOry OF . ee -QeEMStones =. A Complete Guide...approac that | wrote this book. I’ve aimed to provide an inspirational guide to gemstones that supplies essential...Jeweler’s Directory of Gemstones |s divided into a an number of sections, each of them relevant to the... malachite, rnodochrosite, amethyst and agate. Opal forms from a silica gel, replacing bones and shell...azurite are colored by copper in the solutions Opal is a silica gel that fills cavities in sedimentary |  | | Book | | Stones A ROMAN BOOK ON PRECIOUS STONES Including an English modernization of the 37th booke of the...knowledge presently the Gemological endowed, an established in 1931 as scientific gem may ...a introduced the more Hardiunus, Paris, from an claim of 1601.) unknown univer- profession,...Pliny He would not was while dressing, to. no an not be at means The The a of says the ...History 2,000 work. useful indefatigable student an ever, soldier a Pompeii. The Romans, rather | | | Book | | Stones A ROMAN BOOK ON PRECIOUS STONES Including an English modernization of the 37th booke of the...knowledge presently the Gemological endowed, an established in 1931 as scientific gem may ...a introduced the more Hardiunus, Paris, from an claim of 1601.) unknown univer- profession,...Pliny He would not was while dressing, to. no an not be at means The The a of says the ...History 2,000 work. useful indefatigable student an ever, soldier a Pompeii. The Romans, rather |  | | Journal (issue) | | laboratory-grown diamond • Unusual laser drill holes in an HPHT-grown diamond • Hydrothermal synthetic ruby...collector gems • Loren Feldman custom knives • Black Opal Direct social media success • Yellow Sri Lankan...Lankan sapphire jewelry • Gray “spinel sisters” • An opal dealer’s battle with COVID-19 • True Blue Opals and...reaction to the pandemic • Mercury Free Mining • Opal treated with sugar/heat • Gianmaria Buccellati Foundation...from China’s Sichuan Province • Unusual repair of an emerald • Yellowish green enstatite • Star topaz |  | | Book | | Truran, Jr. and A. Heger University of Chicago, IL, USA 1.01.1 INTRODUCTION 1.01.2 ABUNDANCES AND NUCLEOSYNTHESIS...oxygen, and silicon burning to proceed. Collapse of an iron core devoid of further nuclear energy then gives...binary systems, mass transfer can take place from an evolving companion onto a compact object. This naturally...Wallerstein et al. (1997), and Woosley et al. (2002). An overview of galactic chemical evolution is presented...in the Sun. Allende Prieto et al. (2001) derived an accurate oxygen abundance for the Sun of log 1ðOÞ |  | | Journal (volume) | | Ausgabe Der Verfasser und wieder- nicht beigefügt, an den König Frederik VI: für Grönlands Namen Ortsnamen...gegeben. denn gleich einer gütigen der dortigen an Metzlerus“ versität von Michaelis Johann genannt...erhalten doch Universitäts- 1783 wir Georgius an der Uni- auch er wünscht offiziell den inter-...er plötzlich auf das Jahr 1794!) über, von welchem an er, wie er sagt, eine grosse Anzahl logischen gewesen...passt auch mit dem, was er selbst in einem Briefe an den Bischof Münter angiebt, dass er beim Bombardement |  | | Journal (volume) | | : : : : Inhalt. ()i*if>:iiial-Mitteiluiigen an die Redaktion. Seite And ree, K.: Innere oder äußere...Deformationen von . Salzgesteinen? (Ein Nachwort an Herrn ß. Lachmann) . . Angel, Franz: Eichtigstelhmg...SchwarzwaldVorläufige Mitteilung rand. Hoyer, W. Die Schichten an der Hangendgrenze des Lias bei Sehnde und Gretenberg... . 603 300 — — : .... Kranz, W. Erwiderung an Herrn C. Regelmann Ueber Zusammenschub und Senkungen...Mit 1 Textfigur 280 Negris, Ph. Zweite Erwiderung an Herrn C. Renz 268 N i g g 1 i Paul: Die Differentiation |
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