Blue Tourmaline 4mm Microfaceted Round A Grade - 15-16 Inch rocks-and-specimens Once cooled

Once cooled

Colorless Zircon of the highest quality has been mistaken for Diamond throughout history

According to Norse legend

As the name suggests

It is a variety of banded Chalcedony with layers that may contain scarlet

Blue Tourmaline 4mm Microfaceted Round A Grade - 15-16 Inch rocks-and-specimens Once cooledBlue 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