3. Pearl floor texture: purely natural pearls might have a wide variety of abrasions. Minimal flaws never seriously detract from a pearl's benefit.
Duties are a form of tax gathered on imports by a country's customs https://www.ebay.com.au/str/pacificpearlsinternational?mkcid=1&mkrid=705-53470-19255-0&siteid=15&campid=5339072275&customid=&toolid=10001&mkevt=1