Highly polished Aragonite thumb stone 40 x 30 mm. The thumb stones have been designed to have a pleasing feel with the highest quality finish. They are shaped to fit beautifully between the thumb and fingers. Being a natural product these stones may have natural blemishes and vary in colour and banding. www.naturalhealingshop.co.uk based in Nuneaton for crystals, spiritual healing, meditation, relaxation, spiritual development,workshops.