Green Aventurine Palm StoneHealing Crystal Palm stones are great for holding in your palm and using them to relax and reduce anxiety. They are also perfect to hold whilst meditating. This palm stone is made from Aventurine. Aventurine is a positive stone of prosperity. It helps mental healing and protects against electromagnetic pollution that can be created through everyday electronic devices. As it assists in mental healing it is a good crystal to calm anger and irritation.