7104 Precious and Semi-precious Stones, Synthetic or Reconstructed, 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 (01/1988-..) Precious and Semi-precious Stones, Synthetic or Reconstructed, 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 71041000 (01/1988-..) Quartz, Piezoelectric, of Synthetic or Reconstructed Stone Whether or not Worked or Graded, but not Mounted or Set 71042000 (01/1988-..) Precious and Semi-precious Stones, Synthetic or Reconstructed, Unworked or Simply Sawn or Roughly Shaped, Whether or not Graded (Excl. Piezoelectric Quartz) 71049000 (01/1988-..) Precious and Semi-precious Stones, Synthetic or Reconstructed, Worked, Whether or not Graded but not Strung, Mounted or Set, Ungraded Synthetic or Reconstructed Precious or Semi-precious Stones, Temporarily Strung for Convenience of Transport (Excl. StonEs Simply Sawn or Roughly Shaped, Piezoelectric Quartz)