Tumbled stones have a smoother appearance than raw crystals as they have been refined with tools for polishing. Blue Sodalite is known as the "poet's stone" ideal for self-expression and healing properties related to the throat chakra. Each crystal will vary in size. Grab the Guide to Crystals for more info on the benefits and healing properties of this stone. Guide also comes with custom prayers and affirmations for using crystals in your spiritual practices.