AAA+ Peruvian Blue Opal Graduated Briolette Beads 5x7-7x9mm, ONE 7.5 Inch Layout Strand/53-56 Beads
Peruvian blue opal is a rare, translucent common opal found exclusively in the Andes Mountains of Peru, prized for its Caribbean sea-blue color caused by microscopic copper prized for its Caribbean sea-blue color caused by microscopic copper.
