This is Momi pikake style shell pendant/necklace. This necklace create with black, brown spotted, blue and white Momi shells.
Origin of shells: Niihau
Shells section measures: 1 1/2 inches (measures from the top of the bail to the bottom of the last Momi shells)
Necklace measures: 18 inches (Measures from end to end)
Findings: 14K Gold filled, Fancy Italian style