It is a living plant
coral reefs are formed from mineral.
Obviously Black Coral.
animal
No, you can call them an organism.
they are truly animals.
calcium carbonate
Dead coral is a rock because it is composed of the skeletal remains of marine organisms called coral polyps that have hardened over time. It is made up of the mineral calcite, which is a crystalline form of calcium carbonate.
Hawaii does not have a state mineral, but it's state gem is black coral.
Yes. With the exceptions of coral and pearl, all gemstones are minerals.
Hawaii does not have an Official State Stone or Mineral.
Coral are very small animals that build a home out of calcium carbonate, so it is an animal that lives inside a mineral shell.
Limestone is primarily composed of the mineral calcite, which is a crystalline form of calcium carbonate. This mineral is also commonly found in shells of marine organisms such as clams and coral.