Prehnite is referred to as the “healer for the healers” as it provides joy, peace and protection of the heart chakra. It is a calming stone and teaches one how to be in harmony with your surroundings and with nature. It is also a stone for dreaming and remembering. 
 
The lava stone has a wonderfully grounding + stabilizing energy. You may also use the lava stones as an essential oil diffusers - just a few drops and it'll last for hours!