 | | Book | | Frontcover Upper left: The observatory at Kremsmunster. Austria. which houses the mineral collection. Upper right:...mineralogical cabinet of the convent at Kremsmunster, Austria. The . specimens a~e displayed m baroque furniture...important mineralogical museums in Western Europe Austria Belgium Denmark Finland France Germany (Federal...half are in Germanspeaking countries (Germany, Austria, Switzerland). The reasons for this are partly...universities, 14 by town or city councils, 13 by district councils or regional boards, and 16 form part |  | | Book | | essentials of crystallography, chemistry, and crystal structure. These provide a firm basis for discussion...crystallography at the beginning of the text, crystal systems and associated conventions and terminology...minerals in order to avoid those lamentable errors in crystal forms and colors which are instantly apparent to...slightly reduced, and a few enlarged, as the diamond crystal of Plate 1, depicted in both natural and greatly...this is not simple and straightforward. 'Mineral', 'rock', and 'stone' are used indiscriminately as e9ujvalents |  | | 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 | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...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 |  | | Journal (issue) | | payable t o Mr. H. Obodda) Don Edwards: Tideswell Dale Rock Shop, Commercial Road T 1 D E S W E L L D e r b...photoluminescence of a diamond plate Cu, out of the diamond crystal 4 mm across. Yakutin, Russia. Specimen: S. V. Titkov..."luminescence extinguishers" (e.g. Fe2+), in the crystal structures (pl.) of the minerals. The minerals...investigated. The visual (lеft) Aline diamond crystal (0.5 mm across) with vacuoles and ore mineral inclusions...Photoluminescence of Mп" in calcite; crystal aggregates 15 cm in size. Vеrklinii Mine, Dabugorsk, Pпmorskii Krai |  | | Book | | This book provides a basic introduction to the crystal structure of minerals, as well as illustrations...pressures and temperatures. Immense quantities of rock and their constituent minerals are altered and destroyed...crystals are considered to be a mineral called crystal structures. Natural crystals formed by geological...laboratory-grown (synthetic) because they grow in rock. crystals, although identical to their natural...are not considered to be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 om MINERALS: |  | | Book | | ''The Seven Crystal Systems'': (see back foldout) This visual key explains the seven crystal systems, with...Neudorf in the Harz Mountains (Germany). The large crystal measures almost 2 1/2 inches (6 cm) across. 4...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 |  | | Journal (issue) | | Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...Gold Museum of Brad was born from various mineral, rock and mining tool collections belonging to mining...samples of native gold, 383 mineral samples, 53 rock samples, as well as ore processing reagents, mining...of several gold dodecahedral crystals. The top crystal is almost perfect with all the twelve faces readily...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of |  | | | | world, and worked on their identification and crystal structures. Despite this familiarity, however;...wide range of other facts about their origin, crystal form and mode of origin are given. The publishers...gadolinite 85 gahnite 24 galaxite 24 heliodor 93, 93 hematite 25, 25, 27 hemimorphite 86, 87 hercynite 24 hessonite...rhodonite 100, /0/ riebeckite 100 ripidolite 106 rock crystal 28; 31 opal, fire 32, 33 tiger’s eye 31 tinzenite91...a mineral, though it is chemically identical to rock-salt. The latter, in fact, is the result of one |  | | Book | | world, and worked on their identification and crystal structures. Despite this familiarity, however,·I...wide range of other facts about their origin, crystal form and mode of origin are gzven. The publishers...hauynite 114,116 hedenbergite 96 heljodor 93, 93 hematite 25, 25, 27 bemimorphite 86, 87 hercynite 24 hessonite...rhodonite 100,101 riebeckite 100 ripidolite 106 rock crystal 28, 31 rosasite 47, 49 rubellite 96 ruby 25...59 zippeite 62 zircon 77, 78, 78 zoisite 88 THE MINE LKINGDOM All physical bodies in Nature can be | | | Book | | world, and worked on their identification and crystal structures. Despite this familiarity, however;...wide range of other facts about their origin, crystal form and mode of origin are given. The publishers...haiiyhite 114, 1/6 hedenbergite 96 heliodor 93, 93 hematite 25, 25, 27 hemimorphite 86, 87 hercynite 24 hessonite...rhodonite 100, /07 riebeckite 100 ripidolite 106 rock crystal 28, 31 rosasite 47, 49 rubellite 96 ruby 25...a mineral, though it is chemically identical to rock-salt. The latter, in fact, is the result of one |  | | 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...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...parallel with the faces or planes of the primary crystal. This may be effected by placing a knife or other |  | | Book (edition) | | UPHAM SHEPARD, in the Clerk's office, of the District Court of Connecticut. CONTENTS . PART I , Page...sidered as an individual in the mineral kingdom . A crystal of quartz, iron -pyrites, or topaz, is an individual...inorganic kingdom , is called a simple mineral. A crystal of quartz, or a fragment of one, is therefore a...with regard to a crystal of diamond, or it may be composed of several, as in a crystal of beryl . An inorganic... 6 CRYSTAL LOGRAPHY. SECTION I. PROPERTIES OF SIMPLE MINERALS . CRYSTAL . The term crystal is applied |  | | Book | | can be found on mine dumps or can be purchased or traded. After introducing the main rock types this guide...Proustite (East Germany) 7 Rocks We can define a rock as a large mineral body which may contain only one... Petrologists, who study rocks, recognize three rock classes and within each class a large number of...Basalt arises from a lava solidified into a black rock, containing no quartz but rich in the feldspar minerals...rocks as seams (known as dikes). When the intrusive rock forms masses parallel to the structure of the rocks |  | | Journal (article/letter/editorial) | | aragonite on calcite, 10.3 cm across, from the Agrigento mine, Agrigento, Agrigento Province, Sicily, Italy. In...color that appears to be caused by inclusions of hematite or goethite; other crystals are a honeybrown or...crystals of aragonite to 4 mm encrusting a galena crystal is in the Smithsonian collection. Massive banded...Alston Moor (Tindle 2008). The Yorkshire Silverband mine, Cronkley Fell, Durham, has produced interesting...particularly from the Botallack mine, Wheal Owles, and Wheal Cock, St. Just district, as well as Wheal Edward |  | | Journal (issue) | | Articles Famous mineral localities: the Taewha mine, K orea...........................................mimetitefrom the San Francisco mine near Magdalena, Sonora, Mexico. The large crystal is 28 mm across. Collection...Mineral Society for making the hall avail able to us; Rock Currier for his interesting lecture which led off...Mineral Co. (Casa Grande, AZ) Tony Jones, Calif. Rock and Mineral (Temple City, CA) Joseph Kielbaso (Tipp...Enchanted Mesa Minerals (Belen, NM) Paul Otto, Crystal Showcase (Albuquerque, NM) Pala Properties International |  | | Book | | Habsburg dynasty elite to the Lower Hungarian mining district around Banská Štiavnica (Schemnitz, Slovakia):...lift the surface and trench waters, drive ore and rock; so many pushing, dredging, and washing plants;...Johannes Mattes, Austrian Academy of Sciences, Austria, johannes.mattes@oeaw.ac.at, 0000-0002-8546-7149...if he had to either buy them from abroad […] or mine them at own expense in his own mines. Everybody...non-Hungarian mining districts such as in Bohemia, Carinthia, Styria, and Tyrol were added towards the end |  | | Book | | [(OH)5 (P04)4]' 6 H20 (monoclinic, brown) Rotlăufchen Mine near Wetzlar/FRG Original size 5 x 6 mm ISBN-13:...Structure of Minerals 34 Symmetry of the External Crystal Forms 48 Physical Properties 112 Occurrence...let us see the mineralogic components of the hard rock commonly covered by soil or humus. We get a deeper...deeper view of the crust in mines. The deepest mine shafts are those of the gold mines in the Witwatersrand...to form three-dimensional crystal lattices. It does not matter if the crystal is a natural product or produced |  | | Book (edition) | | assistance given him by Professor Edward S. Dana. Crystal Drawing given in Appendix table has been added...chapter on Crystallography, the different types of crystal forms are described under the now accepted thirty-two...HYDROCARBON COMPOUNDS APPENDIX ON THE DRAWING A. OF CRYSTAL FIGURES APPENDIX 649 B. TABLES TO BE USED IN...inorganic species called minerals, which together in rock masses or in isolated form make up the material...specific chemical formula, and is hence classed as a rock, not as a mineral species. Further, several substances |  | | Catalog/List | | Loose Crystals. Crystals. Pseudomorph Crystals. Crystal Models. Box Mounts. Small Pyrite Crystals. ...diameter occurred, “In rock mineral, "At were of large, prisms, of this mine have been obtained...in the specimens Dundasite, bunches samples Mine, of occurs lode. beautiful white large more...coated overcaps and crystals fine and gangue rock very now occaoccurs Minerals of a vugh two...originally Cornish mining ceeding by colour, Mine fractures of great the mineral often Mount |  | | Journal (article/letter/editorial) | | Angeles 37, Calif., sent R & M a loose one inch rock crystal containing tiny scheelite crystals. The specimen...Cochise Co., Ariz. These scheelite inclusions in rock crystals are rare and make valuable specimens for...under the Mineralight; in addition the quartz crystal has a colorless phantom in it. Arkansas—The most...crystal'ized cinnabar which comes from the Culver-Baer mine, Sonoma Co., Calif. Colorado—An interesting article...Michigan, Ann Arbor, Mich.) The Micanite pegmatite district lies across the Park-Fremont County line in south-central |  | | 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 | | | | | that is, chemical formula, physical properties, crystal system, and most important to you as a collector...which we cannot possibly deal with at length here— crystal structure. Crystallography is a whole sub¬ division...the mineral as well as to reveal characteristic crystal shapes and forms. | The atoms making up minerals...the material to develop into crystals. What is a crystal? Merely a solid body, often displaying plane natural...balance. Growing space is usually limited and crystal growth frequently is hindered. Consequently, minerals |  | | Book (edition) | | is, chemical formula, physical properties, crystal system, and most important to you as a collector...which we cannot possibly deal with at length here— crystal structure. CrysraLLoGRAPHy is a whole sub- division...property material Merely to develop a solid crystal body, into crystals. often which which What...What displaying gives each allows the is a crystal? plane natural surfaces called faces, which reflect...balance. Growing space is usually limited and crystal growth frequently is hindered. Consequently, minerals |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...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 |
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