Raw red sandstone specimens set of 12-(ELS-ROK1210)

Raw red sandstone specimens 1 inch samples set of 12 - Sandstone is made up of well-sorted and well-rounded grains of quartz. This indicates that the clasts in the rocks have travelled a long distance from their source and were heavily eroded along the way. This sample is red due to the inclusion of iron in the chemical structure of the rock. Each specimen is selected and hand processed by a geologist, ensuring each sample exhibits defining features. Set of 12 1inch samples. -