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Bibliographic Details
Main Author:	Read, Peter G. (Author)
Format:	Book
Language:	English
Published:	Oxford [u.a.] Butterworth-Heinemann 1995
Online Access:	Inhaltsverzeichnis
Physical Description:	358 S. Ill.
ISBN:	0750622903

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MARC


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adam_text	IMAGE 1 GEMMOLOGY P. G. READ L S J U T T E R W O R TH E I N E M A N N IMAGE 2 CONTENTS 1 INTRODUCTION 1 THE EVOLUTION OF THE SCIENCE OF GEMMOLOGY 1 HIGHLIGHTS OF THE LAST 150 YEARS 1 THE ESSENTIAL QUALITIES OF A GEM MATERIAL 10 ORGANIC AND INORGANIC GEMS 11 2 THE GEOLOGICAL FORMATION AND OCCURRENCE OF GEMSTONES 12 THE EARTH S STRUCTURE 12 MINERALS AND ROCKS 13 THE FORMATION OF GEMSTONES IN THE EARTH S CRUST 13 GROUPS, SPECIES AND VARIETIES 17 THE MAJOR GEM OCCURRENCES OF THE WORLD 18 MINING TECHNIQUES 18 3 THE CHEMICAL COMPOSITION OF GEMSTONES 23 ATOMS, ELEMENTS, MOLECULES AND COMPOUNDS 23 VALENCY 25 BONDING 26 THE RELATIONSHIP BETWEEN CHEMICAL COMPOSITION AND DURABILITY 28 4 CRYSTALLOGRAPHY 30 CRYSTALLINE AND NON-CRYSTALLINE MATERIALS 30 THE ATOMIC STRUCTURE OF A CRYSTAL 32 CLASSIFICATION OF CRYSTALS BY SYMMETRY 34 THE SEVEN CRYSTAL SYSTEMS AND THEIR ELEMENTS OF SYMMETRY 35 CRYSTAL FORMS 38 CRYSTAL HABITS AND THEIR USE IN IDENTIFICATION 40 TWINNED CRYSTALS 43 POLYCRYSTALLINE AND MICROCRYSTALLINE MINERALS 43 METAMICT MINERALS 44 DEFINING CRYSTALLOGRAPHIC FEATURES BY INDICES 44 5 CLEAVAGE, PARTING AND FRACTURE 46 THE MECHANISM OF CLEAVAGE 46 LAPIDARY PROBLEMS CAUSED BY CLEAVAGE PLANES 49 THE USE OF CLEAVAGE IN THE FASHIONING OF DIAMOND 49 IMAGE 3 PARTING (FALSE OR PSEUDO-CLEAVAGE) FRACTURE AND ITS USE AS AN AID TO IDENTIFICATION 49 50 6 HARDNESS 51 THE DURABILITY OF A GEMSTONE 51 MOHS SCALE OF COMPARATIVE HARDNESS 52 HARDNESS TESTS (USING HARDNESS PENCILS AND PLATES) 52 DIRECTIONAL HARDNESS 54 ENGINEERING HARDNESS TESTS 55 THE INFLUENCE OF HARDNESS ON MINING TECHNIQUES 56 7 SPECIFIC GRAVITY, DENSITY AND RELATIVE DENSITY 57 DEFINITIONS 57 ARCHIMEDES PRINCIPLE AND THE MEASUREMENT OF SPECIFIC GRAVITY 57 MEASUREMENT OF SG BY DISPLACEMENT 58 HYDROSTATIC METHODS OF SG MEASUREMENT 60 APPROXIMATION OF SG USING HEAVY LIQUIDS 65 SAFETY PRECAUTIONS 71 PRECISE MEASUREMENT OF SG USING HEAVY LIQUIDS 71 8 COLOUR, LUSTRE AND SHEEN 72 THE ELECTROMAGNETIC SPECTRUM 72 THE PHOTON 73 COLOUR AND SELECTIVE ABSORPTION 74 ALLOCHROMATIC AND IDIOCHROMATIC GEMS 75 THE TRANSITION ELEMENTS 75 COLOUR-CHANGE GEMSTONES 76 INTERFERENCE COLOURS 77 DISPERSION 78 COLOUR CENTRES 79 LUSTRE 79 SHEEN 80 COLOUR, TRANSPARENCY AND IDENTIFICATION 83 9 REFLECTION AND REFRACTION 85 SNELL S LAWS OF REFLECTION AND REFRACTION 85 REFRACTIVE INDEX 87 DOUBLE REFRACTION 87 THE REFRACTOMETER 88 CONTACT FLUID 91 SOURCES OF ILLUMINATION 91 USING THE REFRACTOMETER 94 OPTIC AXES, OPTIC SIGN AND OPTICAL CHAR ACTER 96 DISTANT VISION METHOD 99 SPECIAL REFRACTOMETER VERSIONS 100 FRESNEL S REFLECTIVITY EQUATION 101 THE REFLECTANCE METER - 102 OTHER METHODS OF RI MEASUREMENT 106 IMAGE 4 10 POLARIZATION AND PLEOCHROISM THE POLARIZATION OF LIGHT POLARIZING FILTERS THE POLARISCOPE USING THE POLARISCOPE THE CONOSCOPE (INTERFERENCE FIGURES) PLEOCHROISM (DIFFERENTIAL SELECTIVE ABSORPTION) THE DICHROSCOPE 11 SPECTROSCOPY ABSORPTION AND EMISSION SPECTRA THE PRISM SPECTROSCOPE THE DIFFRACTION GRATING SPECTROSCOPE USING THE SPECTROSCOPE FINE LINE SPECTRA FRAUNHOFER LINES OTHER SPECTROSCOPE VERSIONS RAMAN SPECTROSCOPY SPECTROPHOTOMETERS 12 LUMINESCENT, ELECTRICAL AND THERMAL PROPERTIES OF GEMSTONES LUMINESCENCE (FLUORESCENCE AND PHOSPHORESCENCE) PHOTOLUMINESCENCE AND STOKES LAW CROSSED FILTERS LONG-WAVE AND SHORT-WAVE ULTRAVIOLET RADIATION X-RAY RADIATION PHOTOLUMINESCENT PROPERTIES OF GEMSTONES OTHER FORMS OF LUMINESCENCE SW UV TRANSMISSION TEST ELECTRICAL PROPERTIES THERMAL CONDUCTIVITY AND THERMAL INERTIA THERMAL CONDUCTANCE TESTERS 13 THE HAND LENS, MICROSCOPE AND CHELSEA FILTER TYPES OFHANDLENS TYPES OF MICROSCOPE LIGHT-FIELD, DARK-FIELD AND INCIDENT ILLUMINATION PIN-POINT ILLUMINATION AND SHADOWING TECHNIQUES IMMERSION TECHNIQUES ADDITIONAL USES FOR THE MICROSCOPE CARE IN THE USE OF THE MICROSCOPE THE CHELSEA FILTER HANDLING GEMSTONES 14 GEMSTONE ENHANCEMENT FOILS, COLOUR BACKING AND DYEING IMPREGNATION HEAT TREATMENTS SURFACE DIFFUSION IRRADIATION METHODS 114 114 114 116 118 120 121 122 125 125 126 129 131 139 139 140 142 142 144 144 145 145 147 149 150 150 152 152 155 157 161 161 165 167 169 170 172 173 173 175 179 179 180 182 185 186 IMAGE 5 GLASS FILLING 189 LASER DRILLING OF DIAMOND 190 DISCLOSURE OF ENHANCEMENTS 191 15 SYNTHETIC GEMSTONES AND GEMSTONE SIMULANTS 193 A BRIEF HISTORY OF EARLY GEMSTONE SYNTHESIS 193 DEFINITIONS 194 THE VERNEUIL FLAME-FUSION PROCESS 194 THE CZOCHRALSKI METHOD 198 FLUX-MELT GROWTH 199 ZONE MELTING 202 THE HYDROTHERMAL PROCESS 203 THE SKULL-CRUCIBLE PROCESS 206 DIAMOND SYNTHESIS 208 SYNTHETIC LAPIS LAZULI, TURQUOISE AND OPAL 211 SYNTHETIC JADEITE 212 GEMSTONE SIMULANTS 212 COMPOSITE GEMSTONES 212 THIN DIAMOND FILMS 216 16 DISTINGUISHING BETWEEN SYNTHETIC AND NATURAL GEMSTONES 217 GROWTH LINES AND COLOUR ZONING 217 TWINNING 217 TYPES OF INCLUSION 218 IDENTIFICATION FEATURES OF NATURAL AND SYNTHETIC GEMSTONES 218 COLOUR ZONE DIFFUSION AND INDUCED FEATHERS/FINGERPRINTS 235 USE OF THE POLARISCOPE (IDENTIFYING SYNTHETIC QUARTZ AND VERNEUIL CORUNDUM) 236 LABORATORY EQUIPMENT AND METHODS 237 17 IDENTIFYING INORGANIC GEMSTONE SIMULANTS 244 ALEXANDRITE 244 AQUAMARINE 246 DIAMOND 247 ADDITIONAL TESTS FOR DIAMOND 247 EMERALD 250 JADE 251 LAPIS LAZULI 251 TURQUOISE 252 OPAL 252 QUARTZ 254 RUBY 254 SAPPHIRE 254 18 ORGANIC GEM MATERIALS AND THEIR SIMULANTS 256 NATURAL PEARLS 256 CULTURED PEARL 258 DISTINGUISHING NATURAL FROM CULTURED PEARLS 262 IMITATION PEARLS AND THEIR IDENTIFICATION 266 SHELL 270 AMBER 271 IMAGE 6 IVORY ODONTOLITE 275 TORTOISESHELL 275 JET 275 CORAL 277 19 THE FASHIONING OF GEMS TONES 279 CRITICAL ANGLE 279 CUTTING STYLES 282 GEMSTONE POLISHING 289 LAPIDARY TECHNIQUES 289 GEMSTONE CARVING 292 DIAMOND POLISHING METHODS 295 DIAMOND GRADING 298 APPENDICES 302 A BIBLIOGRAPHY 302 * THE ORGANIC GEMS 303 * THE INORGANIC GEMS 306 D MAN-MADE GEMS NOT OCCURRING IN NATURE 328 E COLOUR THEORY 329 F EXAMINATION NOTES AND SAMPLE EXAMINATION PAPERS 331 G GEMSTONE CONSTANTS 337 H UNITS OF MEASUREMENT 341 I TABLE OF ELEMENTS 342 J TABLE OF PRINCIPAL FRAUNHOFER LINES 345 * GEMSTONE WEIGHING 345 INDEX 347
any_adam_object	1
author	Read, Peter G.
author_facet	Read, Peter G.
author_role	aut
author_sort	Read, Peter G.
author_variant	p g r pg pgr
building	Verbundindex
bvnumber	BV026736731
classification_rvk	UQ 6140
ctrlnum	(OCoLC)832646906 (DE-599)BVBBV026736731
dewey-full	549
dewey-hundreds	500 - Natural sciences and mathematics
dewey-ones	549 - Mineralogy
dewey-raw	549
dewey-search	549
dewey-sort	3549
dewey-tens	540 - Chemistry and allied sciences
discipline	Chemie / Pharmazie Physik
format	Book
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id	DE-604.BV026736731
illustrated	Illustrated
indexdate	2024-07-09T23:18:05Z
institution	BVB
isbn	0750622903
language	English
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oclc_num	832646906
open_access_boolean
owner	DE-B16
owner_facet	DE-B16
physical	358 S. Ill.
publishDate	1995
publishDateSearch	1995
publishDateSort	1995
publisher	Butterworth-Heinemann
record_format	marc
spelling	Read, Peter G. Verfasser aut Gemmology P. G. Read Oxford [u.a.] Butterworth-Heinemann 1995 358 S. Ill. txt rdacontent n rdamedia nc rdacarrier GBV Datenaustausch application/pdf http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022276081&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA Inhaltsverzeichnis
spellingShingle	Read, Peter G. Gemmology
title	Gemmology
title_auth	Gemmology
title_exact_search	Gemmology
title_full	Gemmology P. G. Read
title_fullStr	Gemmology P. G. Read
title_full_unstemmed	Gemmology P. G. Read
title_short	Gemmology
title_sort	gemmology
url	http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=022276081&sequence=000001&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA
work_keys_str_mv	AT readpeterg gemmology

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