Tourmalinated Quartz / สายคล้องแว่นแก้วขนเหล็ก [07121009]
Name : Black Tourmaline Quartz
Decorated Material : Nylon String and Rhodium Plated
Country of Origin : South Africa
Hardness : 7 Mohs
Size of Bead : approx. 2-5 mm.
The Length : approx. 77 cm.