Each stone varies. Howlite is often dyed to resemble turpuoise or red to resemble coral as it looks very similar. The grey veining in the stone is what makes it look like turquoise so much. Howlite is an overall calming stone that helps relieve stress of all sorts. People will use it to calm their mind for meditation or for insomnia. This stone can help assist one in journeying outside of their body and when placed directly on the Third Eye, can help one open memories of previous lifetimes.
Placing a howlite stone on one's person will absorb your anger or another's anger that is directed towards you.
Physically, howlite helps relieve insomnia, balances calcium levels and can even strengthen teeth and bones.