Seafoam Agate: Significance, Properties, Benefits, and Zodiac Ties The historical backdrop of seafoam agate goes back thousands of years, with essential deposits present in places like Brazil, India, Madagascar, and the US. Agate itself has been esteemed as an embellishing material since old times, with proof of its utilization in jewelry and workmanship tracing all the way back to the Neolithic period. Seafoam Agate Meaning, with its peaceful and relieving variety range, has been particularly valued for its stylish allure and has been utilized in jewelry making and other enhancing expressions for quite a long time.