natural rough double terminated black tourmaline.
Color : black
Size: mixed
Production Capacity : 10000 kg per month
Minimum Order Quantity: 10 kg
Hardness : 7 - 7.5
Refractive Index : 1.62 - 1.64
Relative Density : 3.03 - 3.10
Crystal Group : Trigonal
Transparency :opaque
We will be 100% responsible in our products
Shijiazhuang ShengPing Minerals
Known for manufacturing and exporting a wide range of best quality Kaolin & bentonite, Shengping minerals was set up in the year 2002 at Shijiazhuang city of Hebei province.
The product range offered by us comprises comprehensive, salt lamps, negative ion powder, tourmaline powder, far infared ceramic ball, calcium carbonate, mica and vermiculite.
Address : Xizhuang Village, Nanyanchuan Township, Lingshou County, Shijiazhuang,Hebei, China
Post Code : 050000