Rare Black Opal Beads Necklace From Australia - 19.5"

This is a fantastic rare gem quality round Black Opal beads necklace from White Cliffs, Australia. Beads are 11 - 12mm and have a great play of color.
The necklace is handmade and very unique.
Size: 19.5 Inches (50 Centimeters) long with clasp
Weight: 66.5 Grams