RARE Grandidrite (Madagascar) 5mm Rondelle Beads, 14 inch Strand
Grandidierite is a rare greenish-blue to blue-green gemstone, primarily known for it's striling color and etreme rarity. It's a magnesium aluminum borosilicate mineral. While found in various locations, gem-quality grandidierite suitable for faceting is exceptionally rare, making it highly prized by collectors.
