All crystals and minerals are graded, sized and priced accordingly.Tumbled stones have a weight range within a size category and are typically listed as xs, small, medium, large, xl, xxl or jumbo. The listings contain important sizing information. Please ensure you read and understand the size of what you are buying to avoid any disappointment.Tumbled stone product listings include the dimensions to give you a practical way of assessing if the stone is right size for you.Tumbled stones are individually selected to maintain a high standard of quality and will be intuitively chosen for you.All stones are graded fairly for customers and wherever possible we offer different sizes to suit a variety of needs and budgets. It's important to note heavier stones will typically be smaller than lighter stones in a similar size category as crystals are priced by weight.