Calcium carbonate is everywhere. From seashells to eggshells to antacid medicine, it is one of the most abundant minerals on our planet. But scientists still don’t agree on how it forms its many ...

SEM images of these crystals showed rhombohedral ... Vaterite, a less stable form of calcium carbonate, slowly transformed ...

One of the most common chemicals connected to calcium is called “carbonate”, and together they make calcium carbonate. Calcium carbonate is in eggshells, seashells, a rock called marble, and in ...