Discover the Onyx Hearts by Aviva Stanoff. Believed to enhance courage, concentration, and willpower, this captivating mineral makes a perfect addition to any home office or work space. Place the Onyx Hearts upon a desk or table to help sharpen your motivation and mind. Sourced from Pakistan. Available in XS, Small, Medium, and Large. Please note: All minerals and crystals are products of Mother Nature, ensuring natural variations in color and form. The energetic properties of minerals are not intended to replace medicinal treatments.