Material: Feldspar (Oligoclase) 11mm Origin: Arusha, Tanzania Size: Approximately 11mm (±0.5mm) Wrist size: Approximately 16cm (elastic) Weight: Approximately 33g Features and Meaning: We have received feldspar with high transparency and beautiful, fantastic schiller! It has a glass-like luster and a natural, shimmering schiller that is truly fantastic. This mineral is rare and not widely distributed, making it a rare stone. Recommended for collectors. Oligoclase is a mineral belonging to the feldspar group, which also includes moonstone and labradorite. It is found in various colors, from white and pale green to orange and transparent. Item No. BG5673-11