Raw pink granite rock specimens set of 12-(ELS-ROK1202)

Raw pink granite igneous rock specimens 1 inch samples set of 12 - Commonly found as magmatic intrusions in the crust, granite forms slowly in shallow or evolved magma chambers. The large crystals are indicative of a slow cooling rate, and make mineral identification simple. This classic igneous rock is a must-have sample when discussing rock types, the rock cycle, and the rock formation. Each specimen is selected and hand processed by a geologist, ensuring each sample exhibits defining features. Set of 12 1inch samples. -