Blue Tourmaline 3mm Round Faceted - Microfaceted Rounds - 15-16 inch Cantera Opal ranges in color from light

ranges in color from light to dark green

This dye was said to create Michelangelo’s favorite shade of blue

there may not be a beautiful blue-and-brown combination than that of Terra Agate

a mineral of the Quartz family

Blue Tourmaline 3mm Round Faceted - Microfaceted Rounds - 15-16 inch Cantera Opal ranges in color from lightBlue 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