Mica
-
Black Tourmaline in Mica Polished 4mm Round
Bead World Gems
kr179.81Approximate beads per strand: 95 What is it: Tourmaline is part of a large group of boron silicate minerals with a wide range of colors. It has a Mohs hardness of 7 to 7.5. History: In the 1500s, a Spanish conquistador of Brazil, washed the dirt from a...kr179.81