... : Abalone, Awabi, Akoya, Agoya, Banana, Black/Brown/White Mother of Pearl (MOP), Mussel, Paua, River, Trocas, Trocas, Trochus4. Sizes: 4.5 ... Colors all Natural Shells Have accordingly8. Finishing: Polished in 1 side or 2 sides or Unpolished9. Holes: According to customer requirements10 ...