71031010

Rubies

71031020

Jade (nephrite and jadeite)

71031090

Other

710391

Otherwise worked:'Rubies, sapphires and emeralds:

71039110

Rubies

71039190

Other

71039900

Other

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.

710410

Piezo-electric quartz:

71041010

Unworked

71041020

Worked

71042000

Other, unworked or simply sawn or roughly shaped