14mm Round Sponge Coral Beads 
 
Sponge Coral (Corallium rubrum) is a type of coral that has a sponge like appearance due to small holes that cover its surface. It's a form of invertebrate species with eight elongated inflexible branches. 
 
 
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* Sizes, shapes and colors my vary due to being a natural stone, being hand-carved and/or difference in computer monitors.