Material: Feldspar (Oligoclase) 7.5mm Origin: Arusha, Tanzania Size: Approximately 7.5mm (±0.5mm) Wrist size: Approximately 15.5cm (elastic) Weight: Approximately 15g Features and Meaning: We have received feldspar with high transparency and beautiful iridescent sheen! It has a characteristic glass-like luster, and the natural sheen that appears is truly fantastic. It is a rare mineral with a low distribution volume, making it a rare stone. Recommended for collectors. Oligoclase is a mineral belonging to the feldspar group, which includes moonstone and labradorite. It is found in various colors, from white and pale green to orange and transparent. Item No. BG5673-75