Coralline rock
Encyclopedia
Coralline Rock is a type of rock formed by the death of layers of Coralline
algae. It is visually quite bright like the algae
, and is often desired as aquarium
decoration. Since it is formed from the dead algae, it contains some nutrient
s and calcium carbonate
, which has allowed it to be used in some building
structures.
Coralline algae
Coralline algae are red algae in the order Corallinales. They are characterized by a thallus that is hard because of calcareous deposits contained within the cell walls...
algae. It is visually quite bright like the algae
Algae
Algae are a large and diverse group of simple, typically autotrophic organisms, ranging from unicellular to multicellular forms, such as the giant kelps that grow to 65 meters in length. They are photosynthetic like plants, and "simple" because their tissues are not organized into the many...
, and is often desired as aquarium
Aquarium
An aquarium is a vivarium consisting of at least one transparent side in which water-dwelling plants or animals are kept. Fishkeepers use aquaria to keep fish, invertebrates, amphibians, marine mammals, turtles, and aquatic plants...
decoration. Since it is formed from the dead algae, it contains some nutrient
Nutrient
A nutrient is a chemical that an organism needs to live and grow or a substance used in an organism's metabolism which must be taken in from its environment. They are used to build and repair tissues, regulate body processes and are converted to and used as energy...
s and calcium carbonate
Calcium carbonate
Calcium carbonate is a chemical compound with the formula CaCO3. It is a common substance found in rocks in all parts of the world, and is the main component of shells of marine organisms, snails, coal balls, pearls, and eggshells. Calcium carbonate is the active ingredient in agricultural lime,...
, which has allowed it to be used in some building
Building
In architecture, construction, engineering, real estate development and technology the word building may refer to one of the following:...
structures.