Rock Collecting: A Hobby that's "Hard" to Resist
Rock collecting is a fascinating hobby for kids and adults alike. While rocks are common, cheap, and found everywhere, the variety is huge. Collected rocks can be displayed in many ways, from rock gardens to neatly kept showcases, making rock collecting a versatile hobby.
When rock collecting, you will soon find out that rocks can be categorized as one of three types. A sedimentary rock formed when sediments, such as sand or silt, were pressed together under their own weight or the weight of water, and eventually became solid. An igneous rock is one that was formed by volcanic activity. The third type of rock for rock collecting is the metamorphic rock, which is like a sedimentary rock which has been changed through intense heat and pressure.
Another type of rock collecting is collecting minerals, gems, and crystals. Pure minerals are not technically the same thing as rocks, but they fit well in rock collections. Minerals include things
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