CORAL are not plants they are animal,but for survve they depand on photosynthetics,here are the most amazing facts u should now about coral:--- The Hardness of Coral stone is only 3.5 on MOHS hardness Scale, its easily Breakable, so this Gemstone need special care, Coral are not plants actually they are Animals. mostly relatives of jellyfish etc. they are animals but they Rely on photosynthetis to survive. Coral gems are found in many colors, like Red, Blue ,Gold, Pink, White and Dark Red. Most quality Coral are found in Sea of Japan and Italy. According to ancient astrologers the Coral Gemstone are belong to planet MARS. this gemstone is used to blance negative effect of planet mars. Coral stone should be placed sapertaly from other stones , because mostly of other gems are harder then coral so they can damage it. or scratch on coral. Early as 6000 B.C. archaeological discoveries have found several pieces of coral used in the sixth century, perfectly preserved. The