The color, polish, oversupply, shape, size, and shades of coral decide its value. Red, orange & pink calcium pieces that have the highest value of corals. Other colors are scored differently. The most notable values for conchiolin coral are brown, followed by black. What is the value of corals? It is critical if we want seas to remain mostly unchanged. They … Continue reading The Value of Corals: Beauty, Benefits, Economic Values & Threats