Geology worksheet for identifying mineral hardness using Mohs' scale.
Worksheet titled "MatchCard Science Geology - 6" showing a table with minerals ranked by hardness from 1 to 10, including examples like Talc, Gypsum, Calcite, Fluorite, Apatite, Feldspar, Quartz, Topaz, Corundum, and Diamond, with spaces for test techniques. Illustrated with diamond and rock images.