What is black coral?

Answer Black coral, or Antipathes Grandis, is Hawaii's state gemstone. There are more than 200 species of black corals. More than 15 of these are found in Hawaii. They are common in the Au'au Channel, whi... Read More »

Top Q&A For: What is black coral

What is the origin of black coral?

Black coral is found in all oceans of the world, and over 150 species have been described. In 1987, it was designated the official state gem of Hawaii and has been used for hundreds of years as a c... Read More »

How deep is black coral?

Black coral, one of the oldest known organisms in the sea, is a deep-water species of coral, named for its black skeleton like appearance, that is found at depths of at least 450 meters (approximat... Read More »

What is a fan coral?

"Fan coral," "sea fan" and "gorgonian" are some common names for a type of soft coral branched to resemble a tree or fan. Fan corals have tough, intricately branched, tree-like skeletons covered in... Read More »

What is coral calcium?

Coral calcium is a calcium supplement that is made from coral. It is made from either fossilized coral or taken from the ocean floor near a coral reef. Calcium is important for strong bones, and co... Read More »