Sponge Coral, The Sparkling Birthstone for February 28th
Birthstone for February 28th: Sponge Coral Description of Sponge Coral Sponge Coral is a unique and fascinating gemstone that originates from the depths of the ocean. Unlike traditional corals, which are skeletal and formed by colonies of marine organisms, sponge coral is formed from the secretions of ancient marine life forms known as sponges. These sponges live on the ocean floor and produce intricate, porous structures that resemble a sponge—hence the name “Sponge Coral....