Sodalite stone is known to strengthen self confidence and the flow of communication. It’s also believed to aid in calming one’s energy, while providing harmony and courage. It’s known to balance the thyroid and lymph.
Chakras - Throat Chakra, Third Eye Chakra 
Zodiac - Sagittarius 
Element – Water, Air

The white howlite stone is believed to help teach patience, and overcome self criticism. It is also a very calming stone used to relieve stress of all kinds. It makes an excellent antidote to insomnia due to an overactive mind.
Zodiac - Gemini 
Element - Air