 | | Book (volume) | | reserved. H., Hofbuchdruckerei, Cothen-Anhalt (Germany). Translation This book has book of but ...site and Crystal-forms Combinations of Characters Distortion Characters of Crystal-forms of Crystals...of Growth Irregular or relations the 11 Crystal-faces Essential of the 14 of 20 Hemihedrism...positions Crystal a . . . Crystal-Systems Cubic the of Symmetry Crystals 21 22 Crystal-forms ...Lead 101. Copper-pyrites Copper-vitriol Mercury mine 46 crystals 101, nite Cuprite 107. 100. Copper-glance |  | | 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 | | immensely popular handbook of minerals appeared in Germany I obtained a copy fo! my personal library and was...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...far from a simple task because the "'Gewstones of North America. 8 artist must know minerals in order...order to avoid those lamentable errors in crystal forms and colors which are instantly apparent to the expert | | | Book | | 3 Distributed in Australia by Rigby Limited 30 North Terrace, Kent Town Adelaide, South Australia 5067...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 |  | | Book | | Netherlands. Back cover The museum ldar-Oberstein. West-Germany. is quaintly situated beneath the Felsenkirche...Copyright 1986 by . Ulrich Burchard, Lalling, West-Germany All rights reserved including the right of reproduction...Printed in Germany Miscellaneous: Design & Lay Out by Rainer Bode, Haltern, West-Germany Type set by...Wurzburg, West-Germany Colour separations by Litho Thungen GmbH, Thungen, West-Germany H. Bari, Musee...Printed by Sellier Druck GmbH, Freising, West-Germany 6 Gasull, Museo de Geologia, Barcelona 249; V |  | | 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 | | | 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 | | II DESCRIPTIVE MINERALOGY CHAPTER I. PAGE THE ROCK-FORMING MINERALS - 83 Quartz group, 84 felspar...cannot be denied, it is not Thus, for is a rock- forming mineral, has been relegated to the Salts...is among almost ubiquitous to be regarded as a rock-forming mineral, placed with the Ores ; and even...lie many thousands up one above the other These rock feet thick. piled of masses, whether igneous or...the fact that the physical properties of ; a crystal are found to bear a definite relation to its |  | | 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 |  | | 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 | | which is not often in a visually appealing habit. CRYSTAL SYSTEM Crystals are made up of atoms or molecules...referred to as the crystal system adopted by that particular mineral. Each crystal system constrains the...crystals can adopt. Some crystal shapes can be characteristic of a crystal system such as the cube and...measurement to be diagnostic. Crystal systems are summarised below. Crystal System Unit cell shape Cubic...(420 tons); others localities include Mansfeld (Germany), Bisbee (Arizona), Tsumeb (Namibia) and Surra | | | Book | | which is not often in a visually appealing habit. CRYSTAL SYSTEM Crystals are made up of atoms or molecules...referred to as the crystal system adopted by that particular mineral. Each crystal system constrains the...crystals can adopt. Some crystal shapes can be characteristic of a crystal system such as the cube and...measurement to be diagnostic. Crystal systems are summarised below. Crystal System Unit cell shape Cubic...(420 tons); others localities include Mansfeld (Germany), Bisbee (Arizona), Tsumeb (Namibia) and Surra |  | | 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 | | Elementary mineralogical terms 8 What does the crystal shape reveal? 9 Mineral interiors 14 Mineral properties...are described and illustrated), to elucidate the rock-building processes, and to describe the best way...mineral — the internal symmetry and structure of crystal lattices. Crystallochemistry is concerned with...or rock found in a natural locality is called a specimen. A pattern is a piece of mineral or rock collected...collected for analysis. WHAT DOES THE CRYSTAL SHAPE REVEAL? Crystals are bodies bounded by usually flat |  | | Book | | Elementary mineralogical terms 8 What does the crystal shape reveal? 9 Mineral interiors 14 Mineral properties...are described and illustrated), to elucidate the rock-building processes, and to describe the best way...mineral - the internal symmetry and structure of crystal lattices. Crystallochemistry is concerned with...or rock found in a natural locality is called a specimen. A pattern is a piece of mineral or rock collected...collected for analysis. WHAT DOES THE CRYSTAL SHAPE REVEAL? Crystals are bodies bounded by usually flat | | | Book | | Elementary mineralogical terms 8 What does the crystal shape reveal? 9 Mineral interiors 14 Mineral properties...are described and illustrated), to elucidate the rock-building processes, and to describe the best way...mineral - the internal symmetry and structure of crystal lattices. Crystallochemistry is concerned with...or rock found in a natural locality is called a specimen. A pattern is a piece of mineral or rock collected...collected for analysis. WHAT DOES THE CRYSTAL SHAPE REVEAL? Crystals are bodies bounded by usually flat |  | | 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 (edition) | | 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...limited space. It is necessary to the idea of a crystal, that the entire space it occupies should be made |  | | Journal (issue) | | Floarea Damian, Technical University Cluj-Napoca, North University Center of Baia Mare, Romania Gheorghe...Gheorghe Damian, Technical University Cluj-Napoca, North University Center of Baia Mare, Romania Gheorghe C...Gold Museum of Brad was born from various mineral, rock and mining tool collections belonging to mining...and engineering staff, many of them educated in Germany. The collection has been added with new gold specimens...samples of native gold, 383 mineral samples, 53 rock samples, as well as ore processing reagents, mining |  | | Book | | Sorbonne, man Mineralogical Museum, Moscow, U.S.S.R. GERMANY j}& BONA POTENZA BIANCHI, Curator, % «G. P....Cuwrator, Australian Museum, Sydney, AUSTRALIA & ROCK CURRIER, photographer and collector, Ardsley, New...HOFMANN, Professor, School of Mines, Freiberg, EAST GERMANY }& GEORGE HOLLOWAY, collector, Northridge, California...Professor, Mineralogical Institute, Bonn, WEST GERMANY ¥& H. J. SCHUBNEL, Professor and author, School...of collectors, dealers, curators, art buffs, and rock hounds who nominated specimens for review or | | | Book | | ^ Gerhard becker, dealer, Idar-Oberstein, west GERMANY ^ bona potenza bianchi, Curator, University of...Cura tor, Australian Museum, Sydney, Australia ^ rock currier, photographer and collector, Ardsley, New...HOFMANN, Professor, School of Mines, Freiberg, east Germany ^ GEORGE HOLLOWAY, collector, Northridge, California...Professor, Mineralogical Institute, Bonn, west Germany ^ H. j. schubnel, Pro fessor and author, School...of collectors, dealers, curators, art buffs, and rock hounds who nominated specimens for review or served |  | | Book (volume) | | sufficiently ascertained. The characters of the mine- from their action upon light, will no doubt form...oryctognostic species of Slate-spar, Anthracolite Chalk, Rock milk, and others, have been formed under the same...Robert Elementary Introduction to the Knowledge of Mine, By William Phillips. Third edition. Lon- ralogy...Pietra Mala, and other places in Italy, in the north of Asia, &c. and occurs in several mines. globe...waters, both cold and warm, as at Nenndorf, in "Westphalia, and at Baaden, near Vienna ; also from swamps |  | | Book (edition) | | Lieber, © 1969 by Verlagshandlung, Stuttgart, W. Germany. Anthony C. Tennissen. der schénen* Franckh’sche...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 |  | | | | by Franckh’sche Verlagshandlung, Stuttgart, W. Germany. Adapted by Anthony C. Tennissen. Revised Edition...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 |
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