WCO Trade Tools provides essential information to support your trade activity.
Harmonized System
Section XIV > Chapter 71 > Heading 7104
Synthetic or reconstructed precious or semi-precious stones, whether or not worked or graded but not strung, mounted or set; ungraded synthetic or reconstructed precious or semi-precious stones, temporarily strung for convenience of transport.
Section XIV > Chapter 71 > Heading 7104 > 7104.2
Other, unworked or simply sawn or roughly shaped
Section XIV > Chapter 71 > Heading 7104 > 7104.10
Piezo-electric quartz
Section XIV > Chapter 71 > Heading 7105
Dust and powder of natural or synthetic precious or semi-precious stones.