AAA+ Peruvian Blue Opal Graduated Rondelle Beads 4-7mm, ONE 16 Inch Strand/110-112 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.
