Blue Tourmaline 3mm Banded Faceted Round - 15 Inch Size_3mm rotate crimp in small increments

rotate crimp in small increments

the mineral was named for French paleontologist Eugene Durmortier (1803 to 1873)

Natural magnesite stones are usually white with a dark web-like pattern

The loops are closed and are approximately 2

Obsidian ranges in color from opaque black

Blue Tourmaline 3mm Banded Faceted Round - 15 Inch Size_3mm rotate crimp in small incrementsBlue Tourmaline ranges in color from green to blue to yellow to green with black, milky white and clear, colorless inclusions. It is an aluminum borosilicate mixed with iron, magnesium and other metals that give it its color. Tourmaline occurs in nearly every color in the rainbow and its name derives from turmali, the Sinhalese word for mixed color precious stone. Tourmaline is unusual in that it is both pyroelectric and piezoelectric, meaning it