Purchase Qty. Reference FOB Price
10-19 Tons US$1,959.00
20-49 Tons US$1,919.00
50-99 Tons US$1,889.00
100+ Tons US$1,859.00
Product Description
Tourmaline powder is derived from mechanically pulverizing raw tourmaline ore after removing impurities. The processed and purified tourmaline powder has high far infrared emissivity. The general chemical formula of tourmaline is NaR3Al6Si6O18BO33(OH,F)4, and the crystal tourmaline belongs to the ...