Quartz large Crystal Tumblestones (stock) Quartz large Crystal Tumblestones (size guide) Quartz large Crystal Tumblestones (side view) Quartz large Crystal Tumblestones (top view) Quartz large Crystal Tumblestones Quartz Crystal Tumbled Stones 20-25mm Quartz crystal Tumbled Stone. Good quality, polished, 20-25mm. Master Healer, Harmonising Quartz is a universal Zodiac Birthstone. FREE UK Delivery Royal Mail 2nd Class £1.40 Quantity: at £1.40 each Add To Basket 0 in your basket View Basket Checkout