| 7019.90.50 | 40 | Glass fiber filters | X | | | |
| 7020.00.30 | 00 | Quartz reactor tubes and holders designed for insertion into diffusion and oxidation furnaces for production of semiconductor wafers | X | Free | | 55% |
| 7101 | | Pearls, natural or cultured, whether or not worked or graded but not strung, mounted or set; pearls, natural or cultured, temporarily strung for convenience of transport: | | | | |
| 7102 | | Diamonds, whether or not worked, but not mounted or set: | | | | |
| 7102.21 | | Unworked or simply sawn, cleaved or bruted: | | | | |
| 7102.21.10 | 10 | Carbonados | carat | | | |
| 7102.21.30 | 00 | Simply sawn, cleaved or bruted | carat | Free | | 30% |
| 7102.29.00 | 10 | Carbonados | carat | | | |
| 7102.31.00 | 00 | Unworked or simply sawn, cleaved or bruted | carat | Free | | Free |
| 7103 | | Precious stones (other than diamonds) and semi-precious stones, whether or not worked or graded but not strung, mounted or set; ungraded precious stones (other than diamonds) and semi-precious stones, temporarily strung for convenience of transport: | | | | |
| 7103.91.00 | | Rubies, sapphires and emeralds | | Free | | 10% |
| 7103.91.00 | 10 | Rubies | carat | | | |
| 7103.99.10 | 00 | Cut but not set, and suitable for use in the manufacture of jewelry | X | Free | | 10% |
| 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: | | | | |
| 7104.90.10 | 00 | Cut but not set, and suitable for use in the manu- facture of jewelry | No. | Free | | 10% |
| 7106.91.10 | | Bullion and dore | | Free | | Free |
| 7106.91.10 | 10 | Bullion | Ag g | | | |
| 7106.92.10 | 00 | Rectangular or near rectangular shapes, con- taining 99.5 percent or more by weight of silver and not otherwise marked or decorated than with weight, purity, or other identifying inform- ation | g | Free | | Free |
| 7107.00.00 | 00 | Base metals clad with silver, not further worked than semi- manufactured | g | 3.3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 30% |
| 7108.12.10 | | Bullion and dore | | Free | | Free |
| 7108.12.10 | 13 | Bullion: | | | | |
| 7108.12.10 | 13 | Containing by weight not less than 99.95 percent of gold | Au g | | | |
| 7108.12.50 | 10 | Containing by weight not less than 99.95 percent of gold | Au g | | | |
| 7108.13.55 | 00 | Rectangular or near rectangular shapes, containing 99.5 percent or more by weight of gold and not otherwise marked or decor- ated than with weight, purity, or other ident- ifying information | g | Free | | Free |
| 7109.00.00 | 00 | Base metals or silver, clad with gold, not further worked than semimanufactured | g | 6% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P, SG) | 65% |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
