Basalt Silex UK

Basalt is classified as an igneous rock floor and wall tiles can be compared to Granite in as much as Most Basalts contain elements of calcium and olivine

hardness basalt 2cgranite SBM

Rocks and Minerals Minerals can be identified my several properties color streak hardness luster and crystal shape Some examples of magma or lava Basalt Granite Quartz More Detail The Rock GRANITE Igneous