Unworked Topaz Rough from Mexico
Unworked topaz rough consists of silicate mineral crystals, such as imperial topaz from Brazilian pegmatites, with the crystal intact and no processing applied. These stones are classifiable under tariff item 7103.10.00 as semi-precious stones that are unworked or simply sawn or roughly shaped, not strung, mounted, or set.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the topaz is unworked and not irradiated or heat-treated, as treatments may change classification
• Provide clear documentation of the rough state for CBSA assessment
• Check if the country of origin requires any export permits for rough gemstones