</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Priceite Calcium Borate Mineral from Germany

Priceite, a rare calcium borate (Ca4Mg2B10O23), occurs naturally and is concentrated for specialty glass and flux applications. It qualifies for HTS 2528.00.0050 as other natural borates not from brine, maintaining under 85% H3BO3 equivalence. Supplied in ground or lump form post-mining.

Duty Rate — Germany → United States

10%

Rate breakdown

9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%

Import Tips

Conduct spectrographic analysis for Mg/Ca ratio confirmation; label as non-brine source explicitly

Store in dry conditions to preserve mineral integrity for customs inspection