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. Ideal for teaching students about rounding and sorting, as well as for identification and classification exercises. This classic igneous rock is a must-have sample when discussing rock types, the rock cycle, and the rock formation. While each specimen will vary slightly in shape, size and colour, it will measure approximately 1" in length. Each is individually packaged, labeled and barcoded for easy identification and storage.
- Every specimen is selected and hand processed by an actual geologist, ensuring that each sample exhibits defining features
- This classic igneous rock is a must-have sample when discussing rock types, the rock cycle, and the rock formation
- Set of 12 samples
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