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Harmonized System
Section V > Chapter 25 > Heading 2506 > 2506.10
… Quartz …
Classification opinions
… Quartz , obtained by subjecting crushed alaskite ore, without changing its α -quartz structure, to a mechanical separation process, to an …Section V > Chapter 25 > Heading 2506
… Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by …
Explanatory notes
… 25.06 ‑ Quartz (other than natural sands); quartzite, whether or not roughly trimmed or merely cut, by … (including square) shape. 2506.10 - Quartz 2506.20 - Quartzite Quartz is the naturally occurring crystal form of …Section V > Chapter 25 > Heading 2506 > 2506.20
… Quartzite …
Section XIV > Chapter 71 > Heading 7104 > 7104.10
… Piezo-electric quartz …
Section V > Chapter 25 > Heading 2505 > 2505.10
… Silica sands and quartz sands …
Section XIII > Chapter 70 > Heading 7017 > 7017.10
… Of fused quartz or other fused silica …
Section XIII > Chapter 70 > Heading 7002 > 7002.3 > 7002.31
… Of fused quartz or other fused silica …
Section XIX > Chapter 93 > Heading 9301 > 9301.10
… Artillery weapons (for example, guns, howitzers and mortars) …