HomeAppsEducationRocks, Minerals, Crystal GuideApps like Rocks, Minerals, Crystal Guide Here are some great alternatives to Rocks, Minerals, Crystal Guide by Alpha Z Studio : Rock Identifier: Stone ID ★4.5 Rock & Crystal Identifier - ID ★4.6 Rock Identifier: Stone Value ★3.8 Minerals guide ★4.3 Rock Master: Rock Identifier ★4.6 Rock: Identifier & Stone ID ★4.1 Geology Toolkit Lite ★4.3 Rock Finder ★3.4 Sedimentary rock ★4.7 Petrologic ★4.5 Geology Dictionary ★4.5 Virtual Microscope - Minerals ★4.3 Handbook of Rocks ★4.2 Rock identifier: Stone Scanner ★3.5 Crystal Guide® Pocket Edition ★4.6 Atlas of 3D Rocks and Minerals ★4.3