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 YORKSHIRE CREAM £88.80 20MM COTSWOLD BUFF £82.80 20MM RIVER GRAVEL £51.84 10mm Golden Gravel £109.50