Obsidian is supposedly an excellent grounding, protection and transmutation stone. Obsidian is said to stimulate visioning during meditation. Blue Obsidian stimulates and enhances all forms of communication and lingual skills, when used at the throat chakra. Blue Obsidian aids divination, psychometric and psychic development pursuits.
Black Obsidian is often associated with mystery and has a very strong ability to absorb. For this reason it is used often in feng shui, spiritual connection and protection. It is also known as a spiritual cleanser because of its believed ability to absorb psychic smog and help to see things more clearly.
Snowflake Obsidian is said to work to help balance, purify, and ground one's mind, body, and aura. This stone supposedly activates our root and third eye chakras, enhancing ones psychic abilities, especially that of past life recall. When meditating with this stone, one will supposedly have enhanced vision of previous lives.