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 POLAR WHITE MARBLE £216.30 Graphite Grey Slate £96.30 10MM PEA GRAVEL £51.84 20MM RIVER GRAVEL £51.84