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100712s1983 enka ob 001 0 eng d |
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|a OCLCE
|b eng
|e pn
|c OCLCE
|d OCLCQ
|d OCLCF
|d OPELS
|d E7B
|d YDXCP
|d OCLCQ
|d UKAHL
|d VLY
|d OCLCQ
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|a 1100875214
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|a 9780408011907
|q (electronic bk.)
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|a 0408011904
|q (electronic bk.)
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|a 9781483192260
|q (e-book)
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|a 1483192261
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|a (OCoLC)647154457
|z (OCoLC)1100875214
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|a dlr
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|a QE392
|b .R4 1983
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|a 549/.1
|2 19
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|a 620.1980287
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|a Read, Peter G.
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|a Gemmological instruments :
|b their use and principles of operation /
|c Peter G. Read.
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|a 2nd ed.
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|a London ;
|a Boston :
|b Butterworths,
|c 1983.
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|a 1 online resource (328 pages) :
|b illustrations
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|a text
|b txt
|2 rdacontent
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|a computer
|b c
|2 rdamedia
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|a online resource
|b cr
|2 rdacarrier
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|a Includes bibliographical references and indexes.
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|3 Use copy
|f Restrictions unspecified
|2 star
|5 MiAaHDL
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|a Electronic reproduction.
|b [Place of publication not identified] :
|c HathiTrust Digital Library,
|d 2010.
|5 MiAaHDL
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|a Master and use copy. Digital master created according to Benchmark for Faithful Digital Reproductions of Monographs and Serials, Version 1. Digital Library Federation, December 2002.
|u http://purl.oclc.org/DLF/benchrepro0212
|5 MiAaHDL
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|a digitized
|c 2010
|h HathiTrust Digital Library
|l committed to preserve
|2 pda
|5 MiAaHDL
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|a Print version record.
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|a Front Cover; Dedication; Gemmological Instruments: Their Use and Principles of Operation; Copyright Page; Preface to Second Edition; Preface to First Edition; Table of Contents; Chapter 1. Gemstone Characteristics and Constants used for Identification; THE APPEARANCE OF THE GEMSTONE; GEM TESTING; Chapter 2. Preparation and Handling of Gemstones; ULTRASONIC BATHS; TWEEZERS; STONE HOLDERS; SCOOPS; STONE PAPERS; Chapter 3. Inspection Aids; HEAD LOUPES; MICROSCOPES AND ATTACHMENTS; IMMERSION MICROSCOPES; MICROPHOTOGRAPHY; Chapter 4. Colour (including spectral absorption and pleochroism)
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|a SELECTIVE ABSORPTION. ALLOCHROMATIC AND IDIOCHROMATIC MINERALSDICHROSCOPES; COLOUR FILTERS; COLOUR MEASURING INSTRUMENTS; Chapter 5. Refractive index. Birefringence. Optical character and dispersion; APPROXIMATION OF R.l. BY IMMERSION; APPROXIMATION OF R.l. USING THE BECKE LINE METHOD; MEASUREMENT OF R.I. USING A CALIBRATED MICROSCOPE; CRITICAL ANGLE REFRACTOMETERS; SPECIAL REFRACTOMETER VERSIONS; POLARISCOPES AND KONOSCOPES; THE TABLE SPECTROMETER; Chapter 6. Relative Reflectivity; RELATIVE REFLECTIVITY METERS; References; Chapter 7. Specific gravity; HYDROSTATIC WEIGHING METHOD
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|a HEAVY LIQUID METHODSPECIFIC GRAVITY INDICATORS; SPECIFIC GRAVITY BOTTLE; Chapter 8. Spectra; THE PRISM SPECTROSCOPE; THE DIFFRACTION GRATING SPECTROSCOPE; THE REVERSION SPECTROSCOPE; USE OF THE SPECTROSCOPE; TYPES OF COMMERCIAL SPECTROSCOPE; References; Chapter 9. Luminescence; CROSSED FILTERS; LW ULTRA-VIOLET LAMPS; LW ULTRA-VIOLET LAMP UNITS; SW ULTRA-VIOLET LAMPS; COMBINED SW AND LW ULTRA-VIOLET LAMP UNITS; X-RAY EQUIPMENT; Chapter 10. Hardness; DIRECTIONAL HARDNESS; MOHS SCALE; HARDNESS PENCILS; HARDNESS TEST PLATES; Chapter 11. Thermal conductivity; References
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|a Chapter 12. Identification of Synthetics and SimulantsSYNTHETIC ALEXANDRITE; SYNTHETIC CORUNDUM; SYNTHETIC EMERALD; SYNTHETIC OPAL; SYNTHETIC SPINEL; SYNTHETIC TURQUOISE; SYNTHETIC LAPIS LAZULI; SYNTHETIC QUARTZ; SYNTHETIC DIAMOND; ALEXANDRITE SIMULANTS; DIAMOND SIMULANTS; LAPIS LAZULI SIMULANTS; OPAL SIMULANTS; PASTE SIMULANTS; COMPOSITE STONES; ARTIFICIALLY COLOURED DIAMONDS; INFORMATION SOURCES ON SYNTHETICS AND SIMULANTS; References; Chapter 13. Experimental Instruments; References; Chapter 14. Diamond Sorting and Grading; SIEVING; COUNTING; SORTING; THE GRADING OF POLISHED DIAMONDS
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|a DIAMOND GRADING LAMPSCLARITY GRADING OF POLISHED DIAMONDS; EQUIPMENT FOR PROPORTION GRADING; GRADING STANDARDS; THE WEIGHING AND WEIGHT ESTIMATION OF DIAMONDS; THE IDENTIFICATION OF POLISHED DIAMONDS; References; Chapter 15. Reserarch Laboratory Equipment; THE ELECTRON-SPIN RESONANCE SPECTROMETER; X-RAY TOPOGRAPHY; THE ELECTRON MICROPROBE; THE LUMINOSCOPE; THE SCANNING ELECTRON MICROSCOPE; References; Chapter 16. Miscellaneous Items; PORTABLE GEM LABORATORIES; VIDEO MICROSCOPY; JEWELLERY PHOTOGRAPHY; ANTI-STATIC PRODUCTS AND DEVICES; ANTI-VIBRATION PADS AND MOUNTS; FILTERS; MATERIALS
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|a Gemmological Instruments deals with the developments in diamond grading equipment and gem testing instruments since the publication of the first edition in 1978. These developments include improvements in the versatility and styling of existing instruments such as the reflectivity meter, the composite spectroscope, and the refractometer. It also addresses the criticisms in the first edition and provides a discussion of the advantages and disadvantages of different gem testing equipment. This book is organized into 16 chapters that describe groundbreaking instruments like the thermal conductiv.
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650 |
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|a Precious stones
|x Instruments.
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650 |
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|a Precious stones
|x Testing.
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650 |
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7 |
|a Precious stones
|x Instruments.
|2 fast
|0 (OCoLC)fst01074908
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650 |
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7 |
|a Precious stones
|x Testing.
|2 fast
|0 (OCoLC)fst01074914
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|i Print version:
|a Read, Peter G.
|t Gemmological instruments.
|b 2nd ed.
|d London ; Boston : Butterworths, 1983
|w (OCoLC)9591724
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856 |
4 |
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|u https://sciencedirect.uam.elogim.com/science/book/9780408011907
|z Texto completo
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