Red Agate 
It is a stone of protection, used to prevent the evil eye and bad things. For Egyptian civilizations, agate represented protection from the negative energies of enemies.
If you feel tense, with a lot of stress and restlessness for whatever reason, an agate stone will be of great help to calm these emotional problems, it even reduces sadness and even early depression.
It acts as an amulet so that things go well for you and you can have progress and prosperity in a short time. It also helps with vision problems.
     Howlite  
* Dissolves bad energies and back the positive ones
* Attracts patience and calms anger
*Help with comprehension
*Strengthens memory and concentration
*Helps to be ambitious and achieve what we set out to do
* Strengthens memory
*Excellent for meditation and sleep