Price per one stone. Quarter for sizing reference. Please allow for slight differences as each piece is unique. Mookaite is made up predominantly of the microscopic remains of aquatic organisms called radiolaria. Mookaite is a nurturing stone that supports and sustains during times of stress. It brings peace and a feeling of wholeness. Mookaite helps us with decision making, especially when we are having a difficult time. It encourages versatility and helps us to accept change.