Min. Order Reference FOB Price
50 kg US$12.00-16.00 / kg
Product Description
Tourmaline powder is obtained by mechanically crushing after removing impurities from the original tourmaline ore. The purified and processed tourmaline powder has high far infrared emissivity. Tourmaline powder has piezoelctricity and pyroelectricity. Mohs hardness: 7-7.5. Specific gravity: ...