| 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: | | | | |
| 7101.10 | | Natural pearls: | | | | |
| 7101.10.30 | 00 | Graded and temporarily strung for convenience of transport | X | Free | | 10% |
| 7101.21.00 | 00 | Cultured pearls: | | | | |
| 7101.22.30 | 00 | Graded and temporarily strung for convenience of transport | X | Free | | 10% |
| 7102.21 | | Unworked or simply sawn, cleaved or bruted: | | | | |
| 7102.21.30 | 00 | Simply sawn, cleaved or bruted | carat | Free | | 30% |
| 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: | | | | |
| 7103.10 | | Unworked or simply sawn or roughly shaped: | | | | |
| 7103.91.00 | | Rubies, sapphires and emeralds | | Free | | 10% |
| 7103.91.00 | 20 | Sapphires | carat | | | |
| 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: | | | | |
| 7104.10.00 | 00 | Piezo-electric quartz | kg | 3% | Free (A,AU,BH,CA, CL,E,IL,J,JO,MA, MX,P,SG) | 50% |
| 7104.20.00 | 00 | Other, unworked or simply sawn or roughly shaped | X | 3% | Free (A+,AU,BH, CA,CL,D,E,IL,J, JO,MA,MX, P,SG) | 30% |
| 7105 | | Dust and powder of natural or synthetic precious or semi- precious stones: | | | | |
| 7106 | | II. PRECIOUS METALS AND METALS CLAD WITH PRECIOUS METAL | | | | |
| 7106 | | Silver (including silver plated with gold or platinum), un- wrought or in semimanufactured forms, or in powder form: | | | | |
| 7106.10.00 | 00 | Powder | g | Free | | Free |
| 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 |
| 7108 | | Gold (including gold plated with platinum) unwrought or in semimanufactured forms, or in powder form: | | | | |
| 7108.11.00 | 00 | Powder | g | Free | | Free |
| 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 | | | |
Harmonized Tariff Schedule of the United States inquiry: 3203Ã
