Aquamarine is a stone of courage. Its calming energies reduce stress and quiet the mind. The stone flows as water and therefore may help with the flow of life. Aquamarine is believed to reduce feelings of embarrassment, strengthen optimism, and the ability to express oneself. It’s also known to help eliminate unnatural fears while sharpening mental purity. The stone is known to be very calming. It’s also said to affect and potentially heal the eyes, and throat area.
Chakras - Throat Chakra
Zodiac - Aries, Gemini, Scorpio, Aquarius, Pisces
Element - Water
 
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