Blue Sapphire Corundum Size 5 to 15 mm refers to a collection of various stones of different sizes, ranging from 5 to 15 millimeters. These stones can include a variety of gemstones, crystals, and other decorative stones, and may be sold as loose stones or as part of a larger decorative item or jewelry piece. The mix of stones may include different colors, shapes, and textures, making it a versatile and unique addition to any collection or project.
