Black Obsidian: Happiness, protective. Cleanses psychic smog, shields against negativity, may stimulate the gift of prophecy, excellent for spiritual or healing work, releases fear/anger/negativity built up from the day, relieves stress, seals your aura against future problems, grounding stone, digs deep into yourself, brings truth to the surface, works fast with great power, use with great care. Strong stone; use sparingly. Chakra: Root. The All Remaining Stones purchase option is for all remaining Black Obsidian (xL Raw Chunks) stones shown in this listing that are still available for purchase. Please Note: Rulers are shown in most product pictures as size reference. Please refer to these photos prior to making your purchase. All sales are final. Disclaimer: Although crystals & stones have been used historically, to relieve and/or prevent symptoms & can support your energetic well-being, this does not mean they can treat, cure or prevent a disease or illness. Crystals can be used as part of a holistic treatment plan & a complement to other traditional therapies & should not be used as a replacement for medical treatment. Please consult your Health Care Professional for information on health care issues & do not stop any medications or courses of treatment, without first consulting your Health Care Provider. The information we provide regarding our crystals & stones (posted on our website, online & in our shop) comes from our own experiences, & the research of information provided by well-known crystal experts, articles, books, etc. The items we sell or recommend offer no guarantee of results. Any information relating to the crystals & stones stated on (and purchased from) Light Source Within, should be received & understood in the above context. Black Obsidian | xl Raw Chunks