Round blue quartz beads with dumortierite – Natural stone strands in 6 mm, 8 mm, and 10 mm Natural blue quartz bead strand, characterized by its blue color in various shades, resulting from internal inclusions of dumortierite. These inclusions provide visual depth and a distinctive mineral appearance, with variations ranging from soft tones to more intense blues. Available in three approximate sizes: 6 mm, 8 mm, and 10 mm in diameter. Each strand measures approximately 38 cm and contains an estimated number of beads, varying according to the selected size: 6 mm: between 60 and 65 beads 8 mm: between 45 and 47 beads 10 mm: between 36 and 38 beads The indicated data are approximate, as the diameter of the beads may present slight variations. As it is a natural product, it may contain veins, areas of different shades, or small surface irregularities inherent to its mineral origin. The price corresponds to one strand according to the size.