👉 A cardiolith is a type of mineral deposit formed by the accumulation of calcium carbonate in an organic rock. These deposits are often found on the surface of rocks, particularly in the crust or near the ocean floor. They can vary greatly in size and shape, but they tend to be irregular and may have small pits or cracks in them. Cardioliths can be found in a variety of environments, including the oceans, lakes, and rivers. They are often associated with other mineral deposits such
