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4.1Handbook of Rocks is a free android application with the complete list of all rock types. Nearly all rocks can be classified according to their origin into three major groups. These divisions include igneous rocks, sedimentary rocks, and metamorphic rocks. A few rocks are hybrid in nature. As the science of rocks (petrology) developed, many rock names were introduced into the scientific literature. Often a different name was assigned to every rock that showed a slight difference from any known rock. Geology Rocks - Handbook of Rocks provides a compendium of more than 4000 rock types. Keep ROCKing, because I constantly update the app/list. Made by a Geologist for Geologists. MAIN FEATURES ⚒️ More than 4000 rock types; ⚒️ Search by a particular field; ⚒️ 22 diagrams useful for the identification of Igneous, Sedimentary, and Metamorphic rocks; ⚒️ Minimalist design; ⚒️ Very fast and fully searchable; ⚒️ Basic details for each rock type. Facebook - https://www.facebook.com/GeologyToolkit
