The tariff classification of Nephrite Jade blocks fromCanada.
Protest 3307-92-100001; unworked semi-precious stones; rhodolite; tanzanite; subheading 7103.10.40; Explanatory Notes 71.02 and 71.03; 19 CFR 10.172
Optical grade quartz; Chapter Note 71 1(a), Annex to Chapter71; Note 2(b) to Chapter 96; EN 71.04, 71.02, 7103.10
Fire opals; rough semi-precious gemstones; cut and polished semi-precious gemstones; Explanatory Notes 71.02 and 71.03; Annex to the Explanatory Notes to chapter 71; subheading 9802.00.50
The tariff classification of Harlequin Quartz from Madagascar.
Chippewa of Lake Superior and Exemption From Import Duties; Article III, Jay Treaty
Protest No. 1303-92-100061; tumbled semi-precious gemstones; semi-precious gemstones that are otherwise worked than simply sawn or roughly shaped; subheading 7103.10.40; Explanatory Note 71.03; Gem Cutting: A Lapidary's Manual
The tariff classification of rough-sawn nephrite jade fromCanada.
The tariff classification of Apophylite Crystal from Madagascar.
Definition of the term "cut but not set" in chapter 71