Recent content by DavidM

Anadara antiquata was provided as mollusk genus and species by the collector. Based on the fact that they have been long time seashell collectors in the greater Visayas area—an area that also has fisherman and others who have long exploited this species [mostly as a food source], and given the...

Hi Donia. Indeed, they are kind of wonderfully strange. You are looking at a set of rare natural saltwater pearls from bivalves that live in ocean waters near the Philippines. As GIA researchers have shared, non-nacreous pearls like these consist chemically mainly of layers of fibrous aragonite...

Good to know! Thanks.

Who might be recommended to drill (and ideally but not necessarily string) approximately 65 non-nacreous, natural (not cultured) saltwater pearls? They are of course various sizes, shapes, but all from the same species of bivalve mollusk. The pearls were collected in the Visayas area...