Harmonized System
Section XIV > Chapter 71 > Heading 7105
Dust and powder of natural or synthetic precious or semi-precious stones.
Section XIV > Chapter 71 > Heading 7106
Silver (including silver plated with gold or platinum), unwrought or in semi-manufactured forms, or in powder form.
Section XIV > Chapter 71 > Heading 7106 > 7106.9 > 7106.92
Semi-manufactured
Section XIV > Chapter 71 > Heading 7107
Base metals clad with silver, not further worked than semi-manufactured.