GB/T 44914-2024和田玉分级.pdf

ICS390.060

CCSD59

中华人民共和国国家标准

GB/T44914—2024

和田玉分级

Hetianyugrading

2024⁃11⁃28发布2025⁃06⁃01实施

国家市场监督管理总局

发布

国家标准化管理委员会

GB/T44914—2024

目次

前言··························································································································Ⅲ

1范围·······················································································································1

2规范性引用文件········································································································1

3术语和定义··············································································································1

4鉴定与分类··············································································································3

5分级要求·················································································································3

6和田玉颜色分级········································································································3

7和田玉质地分级········································································································7

8和田玉净度分级········································································································8

9和田玉均匀性分级·····································································································8

10和田玉工艺质量评价································································································9

11和田玉分级证书······································································································9

12标识·