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GB/T 32862-2016 English PDF

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GB/T 32862-2016: Sapphire grading
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PDF similar to GB/T 32862-2016


Standard similar to GB/T 32862-2016

GB/T 16552   GB/T 5195.12   SN/T 0481.7   GB/T 45611   GB/T 32863   

Basic data

Standard ID GB/T 32862-2016 (GB/T32862-2016)
Description (Translated English) Sapphire grading
Sector / Industry National Standard (Recommended)
Classification of Chinese Standard D59
Classification of International Standard 39.060
Word Count Estimation 15,127
Date of Issue 2016-08-29
Date of Implementation 2017-03-01
Quoted Standard GB/T 16552; GB/T 16553
Regulation (derived from) National Standard Announcement 2016 No.14
Issuing agency(ies) General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary This standard specifies the classification rules for natural, non-optimized, or heat-treated, inlaid facets. This standard applies to the natural non-optimized treatment or heat treatment of the mosaic of non-inlaid grinding of sapphire grading, inlaid engraved grinding Sapphire sapphire grading can refer to the implementation of this standard. This standard applies to blue sapphire grading, other colors Sapphire grading in addition to color can refer to the implementation of this standard.

GB/T 32862-2016: Sapphire grading

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Sapphire grading ICS 39.060 D59 National Standards of People's Republic of China Sapphire grading 2016-08-29 released 2017-03-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China China National Standardization Management Committee released Directory Preface III 1 Scope 1 2 normative reference document 1 3 Terms and definitions 1 4 identification of sapphire 3 5 blue sapphire color grading 3 6 sapphire clarity grading 5 7 sapphire fire color grading 5 8 sapphire heat treatment 6 9 grading requirements 6 10 Cutter of sapphire 6 11 sapphire quality 7 12 sapphire grading certificate 7 Appendix A (informative) Sapphire common internal and external features type 8 Appendix B (informative) Sapphire observation diagram 9 Appendix C (informative) Sapphire Heat Treatment Type 10 Appendix D (informative) Sapphire Common types of cut and cut ratio 11 Reference 12

Foreword

This standard is drafted in accordance with the rules given in GB/T 1.1-2009. This standard by the National Jade and Jade Standardization Technical Committee (SAC/TC298) centralized. This standard is drafted by the National Jade and Jade Quality Supervision and Inspection Center. The main drafters of this standard. Zhang Jian, violent Wei, Lu Tai Jin, Chen Hua, Ke Jie, Bi Lijun. Sapphire grading

1 Scope

This standard specifies the classification rules for natural, unprocessed or heat-treated, inlaid faceted polished sapphires. This standard applies to the natural non-optimized treatment or heat treatment of the mosaic facet grinding polishing sapphire grading, mosaic facet grinding System graded sapphire grading can refer to the implementation of this standard. This standard applies to blue sapphire grading, other colors sapphire grading in addition to color can refer to the implementation of this standard.

2 normative reference documents

The following documents are indispensable for the application of this document. For dated references, only the dated edition applies to this article Pieces. For undated references, the latest edition (including all modifications) applies to this document. GB/T 16552 Name of jewelery and jade GB/T 16553 Jewelery Identification

3 terms and definitions

The following terms and definitions apply to this document. 3.1 Sapphire sapphire Corundum gem in addition to ruby other than the color of the gem of the collectively, the chemical composition of Al2O3, containing Fe, Ti, V, Mn and other elements. Mohs hardness of 9, the refractive index of 1.762 ~ 1.770 (0.009, -0.005), birefringence value of 0.008 ~ 0.010, density 4.00 (0.10, -0.05) g/cm3. 3.1.1 Blue sapphire bluesapphire The main color tone is blue sapphire. 3.1.2 Powder - orange sapphire pink-orangesapphire The main color tone is pink - orange sapphire. 3.1.3 Pink Sapphire Pinksapphire The main color tone is pink sapphire. 3.1.4 Yellow Sapphire yelowsapphire The main color tone is yellow sapphire. 3.1.5 Purple sapphire purplesapphire The main color tone is purple sapphire.

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