T/NXZX 004-2024 Active Group standards

T/NXZX 004-2024 Natural Unique Stone Appreciation and Identification

Publish Date: 2024-05-13 Implement Date: 2024-05-13 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: T/NXZX 004-2024

Standard Type: Group standards

Standard Status: Active

is_force_gb: no

CCS Name: -

ICS Name: Jewelry

Publish Date: 2024-05-13

Implement Date: 2024-05-13

Scope

Main technical content: It stipulates the appreciation of natural odd stones (the five wonders of natural odd stones, the five excellences (shape, quality, skin, color, and rhyme), and the "double seven degrees" with both shape and spirit), and the requirements for the appraisal of natural odd stones, etc.