GB/T 9288-1998
Replaced
GB/T 31390-2015
Active
National standards
GB/T 31390-2015 Appraisal for view stone
GB/T 31390-2015 Appraisal for view stone
Basic Information
Standard Code:
GB/T 31390-2015
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Other non-metallic minerals
ICS Name:
Jewelry
Publish Date:
2015-05-15
Implement Date:
2015-07-01
Pages:
13 pages
Scope
This standard specifies the definition and classification of ornamental stones, the appreciation and evaluation of ornamental stones, as well as related requirements such as appraisal methods and grade classification.
This standard is applicable to the appreciation and evaluation of ornamental stones, and can also serve as an important basis for the price evaluation of ornamental stones.
Development Information
Referenced Standards
GB/T 2260-2002 Codes for the administrative divisions of the People's Republic of China
GB/T 2260-2007 Codes for the administrative divisions of the People's Republic of China
DZ/T 0130.9-2006 Geological and Mineral Laboratories Quality Management Specification - Part 9: Identification of Rock and Mineral Samples
Related Standards
GB/T 17832-1999
Replaced
GB/T 17832-1999 Determination of silver in silver jewellery alloys—Volumetric (potentiometric) method using potassium bromide
GB/T 11887-2000
Replaced
GB/T 11887-2000 Jewellery－Fineness of precious metal alloys and designation
GB/T 18043-2000
Replaced
GB/T 18043-2000 Precious metal jewellery content non-damaged test method—X-ray fluorescence spectrometry
GB/T 18303-2001
Replaced
GB/T 18303-2001 Color grading of polished diamond by visual matching
GB/T 11886-2001
Replaced