Finished glass inners, for vacuum flasks or for other vacuum vessels, finished

Glassware of fused quartz or other fused silica, n.e.s.

Articles of glass having a linear coefficient of expansion <= 5 x 10 -6 per kelvin within a temperature range of 0°C to 300°C, n.e.s. (excl. glassware of fused quartz or other fused silica)

Articles of glass, n.e.s.

Pearls, natural, whether or not worked or graded, but not strung, mounted or set, natural pearls, temporarily strung for convenience of transport (excl. mother-of-pearl)

Cultured pearls, unworked, whether or not graded

Cultured pearls, worked, whether or not graded, but not strung, mounted or set, worked cultured pearls, temporarily strung for convenience of transport

Diamonds, unsorted

Industrial diamonds unworked or simply sawn, cleaved or bruted

Industrial diamonds, worked, but not mounted or set (excl. unmounted stones for pick-up styluses, stones suitable for use as parts of meters, measuring instruments or other articles of chapter 90)

Non-industrial diamonds unworked or simply sawn, cleaved or bruted (excl. industrial diamonds)

Diamonds, worked, but not mounted or set (excl. industrial diamonds)

Precious stones and semi-precious stones, unworked or simply sawn or roughly shaped, whether or not graded (excl. diamonds and imitation precious stones and semi-precious stones)

Rubies, sapphires and emeralds, worked, whether or not graded, but not strung, mounted or set, rubies, sapphires and emeralds, worked, ungraded, temporarily strung for convenience of transport (excl. rubies, sapphires and emeralds, simply sawn or roughly shaped, imitation precious stones and semi-precious stones)

Precious and semi-precious stones, worked, whether or not graded, but not strung, mounted or set, precious and semi-precious stones, worked, ungraded, temporarily strung for convenience of transport (excl. precious and semi-precious stones, simply sawn or roughly shaped, diamonds, rubies, sapphires and emeralds, imitation precious stones and semi-precious stones)