 | | Journal (article/letter/editorial) | | Greece, Italy, France, Switzerland, Czechia, Germany, Austria. Recollecting these years, Fersman wrote:...tourmaline was so perfectly in harmony with gray granite rock, and the sparkling red hematite blinded eyes with...surrendered to the Museum sepioliths, tsilerites (rock cork), tsermatites (mattedfibrous chrysotile) from...euclases, amethysts, aquamarines, pink topazes, rock crystal. At the ProrokoIl’insky mine, they have collected...summer months he spent in a mission abroad – in Germany and Scandinavian countries. The primary goal was |  | | Book | | ''The Seven Crystal Systems'': (see back foldout) This visual key explains the seven crystal systems, with...from Neudorf in the Harz Mountains (Germany). The large crystal measures almost 2 1/2 inches (6 cm) across...Learning About Minerals 8 What Are Minerals? 10 The Crystal Chemical Classification of Minerals 10 The Properties...Appearance of Mineral 26 1 /2 inch (1 cm). Crystal Classes 26 Crystal Systems 28 Characteristics of Crystals... 44 Identifying Minerals 46 ◄ Cover photo: Rock crystal. ◄ Photo pages 2- 3: Acicular kermesite crystals |  | | Book | | durability and colour, to that originally made in Germany, which has now attained so high a reputation in...small work, published in 1832, by Dr. Blum, in Germany ; but he has drawn other references from the follow...second we consider as belonging the pseudo-morphous crystal, the amygdaloid, spectre petrifactions or incrustations...Talc. 6. Felspar. 2. Gypsum, or Rock Salt. 7. Quartz, or Rock Crystal. 3. Carbonate of Lime. 8. Topaz...Essonite, Spinelle, Garnet. 2. SEMI-HARD GEMS. Rock Crystal, Opal, Amethyst, Chrysolite, Chalcedony, Lazulite |  | | Book (edition) | | formula, allegiance to a mineral group, symmetry and crystal structure as well as the strongest X-ray powder...and opaque minerals. More attention is paid to crystal habit or aggregate development and their sizes...species must contain chemical formula, structure (crystal system, space group, and unit cell dimensions)...units (A), expressed differently according to the crystal system: only a for the cubic system, a,c for the...specifying the orientation of the crystal faces in relation to the crystal axes, a set of three or four numbers |  | | Book | | . . . . . .. 235 240 244 247 253 254 259 Rock- crystal ........ . .'.................................. . . . . . . . . . . . . , . . . . . . . . 386 Rock of Gibralter . . . . . . . . . . . . . . . . . ...more important of these are,—its form as shown iq crystal lization; its structure as determining its mode...form, or a. crystal. CRYSTALS. . Faces, Edges, Angles, Acres of Crystals—The Word crystal in mineralogy...by three or more faces. The space occupied by a crystal is often named a form of crystallization, which |  | | Book | | . . . Mineralization, .- . . Texture of Rock masses, Psexidomorphism, CHAP. . . Crystalline...sening its utility. In the second column, the crystal-system, or the massive species is described. or...example of crystalterminate external form, or a crystal line structure is seen in a piece of loaf sugar...the parts ; A light is reflected. The word crystal in mine Faces, edges, angles, axes of Crystals...equilateral triangles ; and the rhombohedron, crystal, tion, ; by six rhombs, passing through faces |  | | Book (volume) | | (Chloromelanite) Quartz . A. Crystallised Quartz . Rock-crystal .... Smoky-quartz .... Amethyst ..... Citrine...Diamond, crystal in matrix : Brazil. 2. „ 190 S. Africa 125 125, 173 ..... 265 Ruby, crystal ,, ... 282 cut. 283 Sapphire, crystal „ 297 Spinel (Balas-ruby), crystal ?? 10. „ ?? 11. ?! 12...? 13. „ (Ruby-spinel), crystal 297 . 341 Zircon (Hyacinth), crystal „ in basalt . 343 5a,... Emerald, cut ., 4. Beryl (golden beryl), crystal 5. „ ., 9«. „ 95. „ 10. . 308, 316 . |  | | Book | | Descriptive Catalogue of the A. C. Ramsay, H. W. Rock Specimens in the Museum Bristow, H. Bauerman, and...simple or elementary form to which each particular crystal is capable of being ultimately reduced, has been...answer the purpose extremely well, and are sold in Germany at a — — — — very cheap rate. Besides occurring...appear to be reflected from the : A interior of a crystal. when a milky or pearly reflection is displayed...four in number :— 2. Vitreous, or the lustre of Crystal (1.) is Splendent: when the surface of the |  | | Book | | SCIEN • & TECHNOLOGY Topaz (p . 2) - idiomorphic crystal (9 mm); Thomas Range (USA) Text by Rudolf Dud'a...properties 19 Specific gravity 19 Crystals and crystal system 20 Special optical properties 23 Luminescence...colour, transparency, lustre, cleavage, fracture, crystal morphology) are given. Secondly, other features...apparatus or special equipment (specific gravity, crystal form , n1agnetism, luminescence, radioactivity...where its application may result in the etching of crystal faces or whole specimens. Lastly, data on the genesis | | | Book | | SCIENCE é | 7 a a ee Topaz (p. 2) — idiomorphic crystal (9 mm); Thomas Range (USA) Text by Rudolf Duda...properties 19 Specific gravity 19 Crystals and crystal system Special optical properties Luminescence...extent due to their aesthetic aspect (colour, crystal form, lustre, the ability to take a polish or to...fundamental crystallographic forms and typical crystal forms of some minerals have been included in the...colour, transparency, lustre, cleavage, fracture, crystal morphology) are given. Secondly, other fea- |  | | Book (edition) | | geology, the department which considers of the earth's rock formations. has especially the associations of species... is always essentially the same, wherever the crystal is found, whether a product of nature or of the...microscopic point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter...small size. In its original signification the term crystal was applied only to crystals of quartz (f. 1),...cleavage are those of least cohesive force in a crystal ; it - CRYSTALLOGRAPHY. not to be understood |  | | Book (edition) | | 8vo, cloth, INSTRUCTIONS FOR THE DETERMINATION OF ROCK-FORMING MINERALS. HUSSAK. SMITH. By 3 50 Eugen...—Mirdtu/ Record. 4 00 EXPLOSIVE COMPOUNDS AND ROCK DRILLS. DRINKER. Giving properties of Modern Explosives...of Blastand descriptions and uses of the various Rock Drills and Compressors, and forming a SUPPLEMENTARY...geology, the department which considers of the earth's rock formations. especially the associations of species... is always essentially the same, wherever tho crystal is found, and whether a product of nature or of |  | | Book (edition) | | geology, the department which considers of the earth's rock formations. especially the associations of species...with reference to the three transverse axes. The crystal o of (2) Constancy of angle in ike same species...is always csser.tially the same, wherever tHe crystal is found, and whether a product o' nature or of...microscopic point to a yard or more in diameA single crystal of quartz, now at Milan, is three and a quarter...small size. In its original signification the term crystal was applied only to crystals of quartz (f. I), |  | | Report (chapter) | | 202 204 206 TEXT FIGURES. 176 Page. 178 Crystal of tiu-quois from Campbell County, Va. 180 182...believed by competent authorities to refer to turquois. Rock carvings including this word are abundant on the...eye in appearance, and slightly adhering to the rock not as though it formed an integral part of it,...the eastern part of India; the second, in Spain, Germany, Bohemia, and Silesia near the town of Strigonum...perpetually their color, and these are called of the old rock. The other kind slowly lose their color and become |  | | Book | | vugs of crystalline talc. Easily the best extant crystal, a doubly terminated floater found in a talc vug...Shelley Lambert extracted excellent loose ilmenite crystal clusters from a calcite vein-dike digging site...Chamberlain, 1982; Joyce, 2006a). Some of the ilmenite crystal faces are partly overgrown by a brown coating which...and is by far the largest known single ilmenite crystal from any locality worldwide. The crystals are blue-black... Among the crystallized minerals in the unusual rock called "jacupirangite" found in the Jacupiranga |  | | Book | | special student at the University of Heidelberg, in Germany. He was an assistant curator of minerology and...Language. Fathers, Saint Michaels, Arizona, 1929. Germany: The Franciscan Scientific Halloran, J.H. (ed...Deposits of the Northern Big Burro Mountains, Red Rock Area, Grant County, New Mexico. State Bureau of...Tenabo in the NE % Sec: 32, T.29N., R.47E. The host rock is a strong- ly faulted chert. The turquoise occurs...the mine is a medium grained, slightly porphyritic rock, typical of much of the granite in the Burro Mountains |  | | Journal (volume) | | Gilbertite, Cornwall ( Thomson ), Speckled Mica, Three - Rock Moun tain ( Haughton ), 3Si02 + 2R203 + 3Si0, +... -a specimen of the speckled mica of the Three- Rock Mountain , —but which Gregg and Lettsom have most...of limestone pebbles, of considerable size ; the rock also varying much in hardness and texture. We obtained...number of encrinites is positively infinite. The rock is simply one mass of encrinites, cemented together...Head and Bunmahon Head we found a large piece of rock containing galena, We merely mention the fact to |  | | Book (volume) | | still to latterly es- in the latter half Germany, principally exceedingly valuable, today’s gemologists...Copenhagen which, Preface/ VIII rare England a in Germany, and like Stockholm, bookshops that cater ...preeminent devoted peripheral the curious other crystal gazing, and culture but which gemstones. are...2 Nn , 6/7); Largest p 1/2 in). duplici Germany, A-Mm Cut. Erin- loannis 4 2, 3 | Typis...BRITISH ASSOCIATION FOR THE REPORT FROM THE CEYLON ROCK THE NORTH STAFFORDSHIRE TRANSACTIONS OF THE ORIENTAL | | | Book | | special student at the University of Heidelberg, in Germany. He was an assistant curator of mineralogy and...Ethnologic Dictionary of the Navajo Language. Germany: The Franciscan Fathers, Saint Michaels, Arizona...Deposits of the Northern Big Burro Mountains, Red Rock Area, Grant County, New Mexico. State Bureau of...ofTenabo in the NE¼ Sec. 32, T.29N ., R.47E. The host rock is a strongly faulted chert. The turquoise occurs...the mine is a medium grained, slightly porphyritic rock, typical of much of the granite in the Burro Mountains |  | | Book (edition) | | The study of New Mexico specimens revealed new crystal forms for some minerals and much valuable information...mineral are 2;iven: 1) the accepted largest crystal of calcite in the of- information name is ... Grim (1953) Clay mineralogy. Iddings (1911) Rock minerals; Their chemical and physical characters...L. V. Pirsson and Adolph Knopf (1947) Rocks and rock minerals, 3ded. F. H. Pough (1954) A field guide...such as extended descriptions, illustrations, new crystal forms, analyses, museum specimens, etc., by the |  | | Book (volume) | | Capitals of Europe; Schools of Modern A rt in Germany. J. C. van D. John Charles van Dyke. Professor...English Odes (1881). (E. G.) ODENKIRCHEN, a town of Germany, in the Prussian Rhine province, 21 m. by rail...Fiinen. ODENWALD, a wooded mountainous region of Germany, almost entirely in the grand duchy of Hesse, with...ODER (Lat. Viadua\ Slavonic, Vjodr), a river of Germany, rises in Austria on the Odergebirge in the Moravian...Darstellung (Berlin, 1896). ODERBERG, a town of Germany, in the Prussian province of Brandenburg, on the |  | | Book (volume) | | Department R. G. the Crystal Palace described. Ethnology. By Latham, CRYSTAL PALACE, Sydenham.... infra], Lebour On the geological aspects of Rock(G. A.) work. See ROBINSON (W.) F.L.S. Alpine Flowers...publications in connection with the Specialkarte] See SAXONY. Koenigliche Gcologische Landesuntersuchung . ...m.] (Alphabetisches Namenverzeichnis, &c.) See GERMANY. 27 sh. col. (& 4.) 1894-97. [Maps.} (C. G. R.)...Levinson-Lessingh. Wanting. the determination of the Rock-forming Translated from the Russian by J. W. With |
|
