Renowned for it’s durability, Australian Porphyry is an igneous rock (formed through the cooling and solidification of magma or lava) consisting of large grained crystals such as quartz. The versatility and beauty of this stone will be a beautiful addition to any design with it’s unique colour blend of grey shades with deep russet and gold colours. Use as cobbles in driveways, courtyards, patios or as a feature garden border.