This is Momi shell pendant. This pendant made of brown spotted ‘ōnikiniki ‘āhiehie, white ke‘oke‘o maika‘i with waha ‘ula‘ula.
Origin of shells: Niihau
Shells measures: 1 1/2 inch (measures from the top of the bail to the bottom of the shells )
Necklace measures : 17 inches (measures from end to end)
Findings: 14K gold filled
Chain style: Fancy Italian