Catalogue membership for Pink Crystals crosses material labels including Rose Quartz, Agate, Flower Agate, and Strawberry Quartz and forms such as tumbled stones, bracelets, chips, and towers. The collection therefore represents a color axis: entries share the recorded color path while retaining different materials and shapes.
Begin with the recorded material choices, including Rose Quartz, Agate, Flower Agate, and Strawberry Quartz. After that, compare the shape labels tumbled stones, bracelets, chips, and towers; both facts vary even though the entries share this color category.