20mm Moonstone£96.30 20mm Moonstone quantity Add to basket Category: Decorative Aggregates Description Description £96.30 per bulk bag Another hard flint with a variety of well-balanced colours. Related products 20MM ROSE QUARTZ £146.52 20MM GOLDEN GRAVEL £106.20 10mm Golden Gravel £109.50 20MM COTSWOLD BUFF £82.80