January 2019

Chrysanthemum beads a.k.a. Fossil coral is a natural type of gemstone formed by ancient corals. The proper name for fossil coral is \’agatized coral\’ or \’agatized fossil coral\’, because during formation, the coral remains are gradually replaced with agate, a variety of naturally occurring chalcedony, or microcrystalline quartz. When prehistoric corals are fossilized through replacement […]