Kermesite Antimony Oxide Ore from Mexico
Kermesite (Sb2S2O) is a rare antimony ore mineral formed through oxidation of stibnite, containing antimony in both oxide and sulfide forms. As a natural antimony ore suitable for metallurgical extraction, it falls under tariff item 2617.10.00.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the ore has not been chemically treated beyond normal mining processes, as oxidation in nature is acceptable
• Provide geological documentation to support the mineral's natural origin