 | | Journal (article/letter/editorial) | | ©Naturwissenschaftlicher Verein für Kärnten, Austria, download unter www.biologiezentrum.at Carinthia...about new finds of minerals in various parts of Austria are presented to the reader. From C a r i n t h...muscovite near Ottensheim; zeolite findings from Upper Austria e.g. laumontiteas for the first time in this region;...time in Upper Austria and all Austria, the rare Be-phosphate H e r d e r i t e ; rock crystal, brownspar...gismondite-, natrolithe and oligoclase-xx in the basalt zone of Klöch. From Lower A u s t r i a : the recently |  | | Journal (article/letter/editorial) | | mineral in altered ultramafic rocks, in amygdules in basalt, in the oxidized zone of some ore deposits, in...crystals of aragonite to 4 mm encrusting a galena crystal is in the Smithsonian collection. Massive banded...and Wheal Cock, St. Just district, as well as Wheal Edward, Callington district. The aragonite from these...crystals on calcite, 5.8 cm high, from the Artenberg quarry, Steinach, Baden-Württemberg, Germany. Gregor Markl...crystals, 1.7 cm across, from the Diettersweiler quarry, Freudenstadt, Baden-Württemberg, Germany. Gregor |  | | 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 |  | | Catalog/List | | FLUORITE,Rosilare Level.Minerva Mine No 1 ,Cave-in-Rock District.Southem Illonois.Xtl group of interlocking...Ml.Ex Col. Williams colln.£10 6. QUARTZ,var ROCK CRYSTAL,Minas Gerais.Brazil Pure snowy white druse of...D TN.£8 14. QUARTZ,var Rock Crystal,Hardanger.Norway.Clean xtl group of rock xtl prisms to 65mm free...QUARTZ,var. Rock Crystal,Hots Springs.Arkansas,USA.Very pretty xtl group of tapering rock xtl prisms to...little massive galena.Good RF Ml £5 35 QUARTZ.var Rock Crystal.Hots Springs,Arkansas.USA 3 intergrown water |  | | Catalog/List | | epistilbite xtls to 12mm covering dark grey amygdaloidal basalt matrix Good RF SPC C £12 9. EPIDOTE,St Gothard...or D SPC. C. £10 41 WOLLASTONITE-2NI,Crestmore Quarry,CalifomialISA. Greenish vitreous rather massive...Pretty RF or D NI1 £ 4 58 PERICLINE,Habachtal,Austria. Fine aggregate of pure milky white albite xtls...Interesting RF SPC C. £3 94. NATIVE BISMITM,Knappenberg,Austria Rich dendrites of greyish native bismuth embedded...UNIDENTIFIED MINERAL,Langd.Vogelsberg,Germany Acicular basalt containing vesicle lined with unknown mineral species |  | | 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 | | purchased or traded. After introducing the main rock types this guide concentrates upon the places which...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...a fine-grained texture. Basalt arises from a lava solidified into a black rock, containing no quartz but...rocks as seams (known as dikes). When the intrusive rock forms masses parallel to the structure of the rocks |  | | Catalog/List | | invited. ABBREVIATIONS used in this catalog xl -crystal xlled -crystalled xlline - crystalline xllized...············································ 28 ROCK AND MINERAL COLLECTIONS······················-·...Black glassy crystals imbedded in camptonite dike rock .................. . TREMOLITE Calcium magnesium...Mountains, Marysvale ~ink crystalline mass, same crystal vugs .... AMBL YGONITE Sodium lithium aluminum... Arassuahy Transparent brown-green pleochroic crystal prisms ¼"to ½" $. 25 each 5/$1. 00 ....... Czechoslovakia |  | | Book | | Mineral Formation External Form of Minerals Crystals Crystal Symmetry Appearance and Development of Crystals...Crystals Aggregates Growth of Twin Crystals Crystal Faces Pseudomorphs Physical Properties of Minerals Specific... perfect lustre and the regularity of form of crystal have long had a particular charm for man. This...identification keys and books depict idealized crystal forms. In nature, however, such forms are very...colour (see plates) but also in crystal form, e.g. the many crystal forms of calcite. Perfect models |  | | Catalog/List | | Micromount and Fluorescent columns . PETROLOGIC (ROCK) SPECIMENS ....... MINERAL DETERMINATION SUPPLIES...SUPPLIES including Blowpipe Testing.......... . xl - crystal xlled - crystalled xlline - crystalline xllized...County, Arizona. Sharp hexagonal barrel-shaped crystal druse. Many of the crystals exhibit a cavernous·...mina Ojuela. White-to-pale yellow sheave-like crystal FI. 1. 00 groups on limonite ................ Mexico...of Huesca, Estopinian. �ue mass in ancient trap rock, rare ...... AFWILLITE Hydrous calcium hydroxy-silicate |  | | | | 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 | | Mineral Formation External Form of Minerals Crystals Crystal Symmetry Appearance and Development of Crystals...Crystals Aggregates Growth of Twin Crystals Crystal Faces Pseudomorphs Physical Properties of Minerals Specific... perfect lustre and the regularity of form of crystal have long had a particular charm for man. This...identification keys and books depict idealized crystal forms. In nature, however, such forms are very...colour (see plates) but also in crystal form, e.g. the many crystal forms of calcite. 7 a i ■ I II |  | | 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 | | minerals, will find the book invalu¬ able. Each rock or mineral is dealt with systematically and defined...tion appearing opposite a colour photograph of the rock in question. For the layman, there are clear defi¬...a guide only since the International Society of Rock Mechanics is currently drafting tables for general...these properties may vary so greatly within one rock type that such figures should only be considered...possible quick reference and identification of the rock or mineral concerned. The objects photographed were | | | | | What is the difference between a mineral and a rock? Where do they come from? How do Istart collecting...rocks, and how to test them. : Each mineral and rock is accompanied with concise descriptions and precise...photographs; Bob Gault took a number of the mineral and rock photographs; Donna Naughton took a number of field...mineral and rock descriptions. introduction Mineral and Rock Collecting Mineral or Rock? Origins of...Non-metallic Mineral Identification Key How to Identify a Rock Geological Regions of Canada ©) en, Sey SP It lex) | | | | | 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...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...usually followed by its chemical formula, then its crystal form (habit), specific gravity (sg), and degree |  | | 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...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...arsenates, vanadates chemical formula, then its crystal form (habit), specific gravity (sg), and degree | | | 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...rhodonite 100,101 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...for each mineral; this structure determines the crystal-line nature which is the basis of the physical |  | | Journal (issue) | | loosely aggregated, and passing into a compact salite rock. There are other specimens in which the same white...several specimens of what we then called mortised rock, and I be lieve your specimen from Pittsfield is...important iron mine, clay, sand, or marl bed, stone quarry, or fossil bearing for mation is represented; and...cretionary structure, joint and columnar structure, rock cleavage, cave formations—stalactites, helicites...have concretions which were formed in lava, trap rock, granite, gneiss, schist, porphyry, iron ores, shales |  | | Book (volume) | | as high a the they charm: engraved, rock-crystal, of the angularity also were still and...attempted. had the then were was of ruins rock-crystal but quartz, the began at into the beads... of had but lenticular early Mycenaean rock-crystal, agate, dony, agate a 203 period, Mycenaean...can rosettes. as special Fig. 168. Twinned crystal of Diamond. markings: being and outline,...and parallel only be used mass have class crystal the 457 1 /2 “Excelsior”, (the only are |  | | Catalog/List | | t::_: •.·'':{}j;,·}~t' MM - T 'N Fl. P. R. - crystal crystalled crystalline crystallized micromount...opalescence ................... PERICLINE Italy, Austria 1 SWitzerland Aleine areas Fine large white twin...Mountains, Marysvale ----i'>ink crystalline mass, some crystal vugs ALTAITE Lead telluride Colorado Saguache County... Norway Kragerp Pure dark green cleavages and crystal sections .. Norway Kragerp ~JJ laq? lustrous dark...Island of Linosa --Lustrous black rectangular crystal sections : 'I to ~II $, 25, 5/ $1. 00, • • • • |  | | Book | | wonder of nature. Often emanating from the parent rock in brilliant colours and weird and wonderful textures...minerals are a visual treat, and check-boxes on crystal habit, colour, lustre and specific gravity will...processes such as tectonic movements, volcanoes, rock and ore formation, and looks at the physical and...Ant hony Duke. Anthony Duke also supplied the crystal structure diagrams appearing throughout the Directory...to take when handling, identifying or collecting rock and mineral specimens; however, we cannot accept |  | | Book | | photographs; Bob Gault took a 11un1ber of the mineral and rock photographs; Donna Naughton took a nun1ber of field...mineral and rock descriptions. . .. Introduction Mineral and Rock Collecting Mineral or Rock? Origins...Non-metallic Mineral Identification Key How to Tdentify a Rock Geological Regions of Canada 6 6 6 7 7 8 10 11...Minerals and Rocks IX Introduction Mineral and Rock Collecting or most of us collecting is a natt:u-al...a healthy, active, outdoor life. F Mineral or Rock? Mineralogists would define a rnineral as one or |  | | Book | | information b Book review c Crystal morphology information d Crystal drawing ff Continues on following...10:215-217 ADULARIA Adu Iaria from the Howard-Montgomery quarry, Howard County, Maryland (by J. S. White) 25:53-54...the Alpine ar,d Subalpine region [Switzerland,Austria and Iti:Jy](by C. M. Gramaccioli) 8:287-293 Minerals...Alps of Austria (by K. Kotal) 13:171-173 ALSTONITE An occurrence of alstonite at Cave-in-Rock, Illinois...ANALCIME Natrolite and analcime from Eckman Creek quarry. Waldport. Oregon (by M. Groben) 1:153, 1:173, |
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