 | | Journal (article/letter/editorial) | | MINPET 2017 INNSBRUCK / AUSTRIA SEPTEMBER, 6th - 9th 29 MITT.ÖSTERR.MINER.GES. 163 (2017) HIGH-TECH...Institute, Innsbruck University, 6020 Innsbruck, Austria. Department of Applied Geological Sciences and...and Geophysics, Montanuni, 8700 Leoben, Austria. 3 GeoZentrum Nordbayern, FAU Erlangen-Nürnberg, Schlossgarten...all Tösens district ore (except Hochjoch) defines a low-Mn/high-Hg group. Most Nauders district ore (Knappental...(2017) MANTLE XENOLITHS FROM THE LETHLAKANE DIAMOND MINE, BOTSWANA Belohlavek, L.1, Hauzenberger, C.1, Proyer |  | | 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 | | mineral collection. se rs eee 7 ar oltre) LAKe sho 363.8 oe saline 3 re Campus eTTTT 16.2...Cuwrator, Australian Museum, Sydney, AUSTRALIA & ROCK CURRIER, photographer and collector, Ardsley, New...of collectors, dealers, curators, art buffs, and rock hounds who nominated specimens for review or...curators and collectors, and in contacting recognized crystal photographers. Another quarter of a million miles...and a few were chosen because they are basic or rock-forming minerals of the mountains about us. This | | | Book | | Curator, Australian Museum, Sydney, AUSTRALIA x ROCK CURRIER, photographer and collector, Ardsley, New...of collectors, dealers, curators, art buffs, and rock hounds who nominated specimens for review or served...curators and collectors, and in contacting recognized crystal photographers. Another quarter of a million miles...and a few were chosen because they are basic or rock-forming minerals of the mountains about us. This...recommended mineral—predictably—was white quartz (rock crystal). It was obvious that any selective factors | | | Book | | Cura tor, Australian Museum, Sydney, Australia ^ rock currier, photographer and collector, Ardsley, New...of collectors, dealers, curators, art buffs, and rock hounds who nominated specimens for review or served...curators and collectors, and in contacting recognized crystal photographers. Another quarter of a million miles...and a few were chosen because they are basic or rock-forming minerals of the mountains about us. This...recommended mineral—predictably—was white quartz (rock crystal). It was obvious that any selective factors |  | | 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 |  | | 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 | | 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 | | 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...and these atomic arrangements are called crystal structures. Natural crystals formed by geological...are not considered to be minerals. Microcline, Crystal Peak, Colorado, USA * 12 x 9x 5 cm. Biominerals...considered to be a mineral because they grow in rock. MINERALS: PRODUCTS OF ACHANGING Vanadinite, |  | | 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...121 argentite I0 argentojarosite 58 arsenates 65 arsenic 4 arsenides 8 arsenopyrite 15, 17 artinite 51,...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 (volume) | | Genus I. Rock-Salt. 1. Hexahedral Rock -Salt. 1st Subsp . Rock - Salt. 1st Kind, Foliated Rock -Salt,... Fibrous Rock -Salt, Lake -Salt, 2 2d 2d Genus II. SAL AMMONIAC. 1. Octahedral Sal Ammoniac, 1st...Epsom - Salt, Genus V. ALUM. 1. Octahedral Alum, • Rock - Butter, 27 30 Genus VI . GLAUBER-SALT. 1. Prismatic...Native Iron, 97 2d 99 Genus VII . ARSENIC. 1. Native Arsenic, 104 Genus VIII. BISMUTH . 1. Octahedral...I. Rock - Salt . 1 1. Hexahedral Rock - Salt. 1st Subsp . Rock - Salt. 1st Kind, Foliated Rock - Salt | | | 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 | | 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...93 emery 25 epidote 87, 87, 89 epistilbite 124 arsenic 4 chalcedony 31 chalcocite 8, 8 erythrite 70...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 |  | | | | 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...127 chalcanthite 59 chalcedony 31 arsenates 65 arsenic 4 arsenides 8 chalcocite 8, 8 chalcolite 74 arsenopyrite...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 |  | | Catalog/List | | t::_: •.·'':{}j;,·}~t' MM - T 'N Fl. P. R. - crystal crystalled crystalline crystallized micromount......... Utah Toelle County, Gold Hill, Gold Hill mine ~ransparent micro crystals on gossen with minor...silicate Arizona Pima County, Ajo, New Cornelia mine Sky blue micro xls and coatings on monzonite .....Derby mine White xlline lamellar mass with minor lepidolite . Virginia Amelia, Rutherford mine !r2 Lustrous...opalescence ................... PERICLINE Italy, Austria 1 SWitzerland Aleine areas Fine large white twin |  | | Catalog/List | | -9pm) FLUORITE,Rosilare Level.Minerva Mine No 1 ,Cave-in-Rock District.Southem Illonois.Xtl group of...Ml.Ex Col. Williams colln.£10 6. QUARTZ,var ROCK CRYSTAL,Minas Gerais.Brazil Pure snowy white druse of...£10 9. SPHALERITE,var.Ruby Blende.Mid-Continent Mine,Pitcher.Oklahoma,USA Rich continuous druse of ruby...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 |  | | Book | | Sapphire Quartz Malachite 47 Azurite 48 Rock crystal 88 Selenite 52 91 Celestite 92 Rose quartz...which established that the external form of a crystal is a characteristic property of the mineral. In...of instruments for measuring the angles between crystal faces and for conducting optical studies, and in...fully-developed crystals with geometrical forms. The word 'crystal' is commonly taken to refer to this external geometrical... but in fact the defining characteristic of a crystal is its internal structure - it is a solid with |  | | Book | | EXTERNAL SHAPES OF MINERALS Structure of Minerals Crystal Systems 11 12 The Law of Constant Angles Twinning...individual mineral is sion of the form of a particular crystal. found, to which category it belongs, and The...one that will again defined as groups for the lower sec- 2< make a positive identffica- tion of the...characteristic—also weight of a specific mate- The lower section of the margin bar is rial compared with...specimen. Another 9 maybe the shape of the crystal or the dis- on pages 16 through 25. The additional | | | Book | | Mineral Formation External Form of Minerals Crystals Crystal Symmetry Appearance and Development of Crystals...Crystals Aggregates G rowth of Twin Crystals Crystal Faces Pseudo morphs 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 Perfect models | | | Book | | SHAPES OF MINERALS 11 Suucture of Minerals ll Crystal C.ystems 12 The La~ of Constant Angles 13 Twinning...specific gravtly are again defined as groups for the lower sectton of the mulucolored margin bar. As many minerals...minerals as possible are mcluded m each group The lower section of the margm bar is fitted w1th a scale...the needed clue. or 9 maybe the shape of the crystal or the discussion of aggregaces will clarify the...brownish), 1ransparency (here· clear), shape of Lhe crystal (here: cubic). and adtliuonal charactensucs menuoned |  | | 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 | | SHAPES OF MINERALS 11 Structure of Minerals 11 Crystal Systems 12 The Law of Constant Angles 13 Twinning...general impression of the form of a particular crystal. The drawings were taken from scientific literature...specific gravity are again defined as groups for the lower section of the multicolored margin bar. As man y...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...the needed clue; or 9 maybe the shape of the crystal or the discussion of aggregates will c1arify the | | | Book | | SHAPES OF MINERALS l l Structure or Minerals 11 Crystal Systems 12 The Law of Constant Angles 13 Twinning...general impression of the form of a particular crystal. The drawings were taken from scientific literature...specific gravity are again defined as groups for the lower section of the multicolored margin bar. As many...minerals as possible are included in each group. The lower section of the margin bar is fitted with a scale...the needed clue. or 9 maybe the shape of the crystal or the discussion of aggregates will clarify the | | | | | 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 |
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Arsenic mine, Lower Rotgülden lake, Rotgülden, Muhr, Tamsweg District, Salzburg, Austria