What Is a Pearl?

Pearls are formed when an irritant, such as a bit of food, a grain of sand, or even a piece of the mollusk's mantle becomes trapped in the mollusk.

Green Pearls: Complete Buying Guide, Meaning, Uses, Properties & Facts

How Do Oysters Make Pearls?

7 Pearl Value Factors™ Brochure (Pack of 50) – GIA-Retailer-Test

For the Love of a Pearl-What is a Keshi Pearl? – Bobbi's at Parkside

What Is Pearl - Gemstone Facts and Information

Pearl Types, Meanings, Value and Buying Properties

Introduction to Cultured Pearls Pearls As One -- Pearl Specialist

The astrological benefits of pearl

Pearls in Wedding Day Looks Make a Comeback With a Modern Touch - The New York Times

What is a Baroque Pearl Bead? - A Grain of Sand

How Pearls Form and Which Species Makes Them

Pearl - Wikipedia

Understanding Different Types of Pearls

Pearl Size Guide - Pearls of Joy