Hard tissues of organisms, such as bones and shells, are composed of inorganic minerals (biominerals). While these substances are created by biomineralization, which will be discussed later, many ...

Using eyes made of a calcium carbonate crystal, a simple mollusk may have evolved enough vision to spot potential predators, scientists say. Using eyes made of a calcium carbonate crystal, a simple ...

The ingredient of seashells is mostly calcium carbonate, the same chemical you can find in limestone, eggs shells, and gastric antacid pills. Depending on how the atoms are arranged within materials, ...