Sedimentary rock - Rock formed by compaction and cementation of sediment, Metamorphic rock - Rock formed by extreme heat and pressure, Igneous rock - Rock formed by cooling lava or magma, Streak - The color a mineral leave behind when rubbed across a ceramic tile or streak plate, Hardness - A minerals ability to scratch another mineral, Luster - The way a mineral reflects light, Cleavage - the breaking of a mineral along straight lines, Inorganic - NOT made of once living material, Clastic - Rock with sediments compacted together. ex: Sandstone, Moh's Scale - Tool used to find hardness of a mineral; 1-10, Rock cycle - Shows how a rock can become any other type of rock, Fracture - jagged break of a mineral, Chemical - Sedimentary rock type made from minerals left after evaporation., Foliated - Metamorphic rock with layers, bands, stripes.., Intrusive - Igneous rock that formed from magma (molten rock underground), Extrusive - Igneous rock that formed from lava ( molten rock at surface), Fine grained - Igneous rock WITHOUT visible mineral crystals ., Coarse grained - Igneous rock WITH visible mineral crystals, Glassy - Igneous rock that cooled very quickly, Organic - Sedimentary rock made with remains of living things.,

Rock & mineral Vocab review!

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