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Mineral and Rock Identification What do you know about minerals? NATURALLY OCCURRING Inorganic SOLIDS Crystalline Structure How do minerals form? FROM MAGMA Fast cooling magma Slow cooling magma FROM SOLUTION Saturated solution Solid comes out How do you identify a mineral? COLOR red jasper iron purple amethyst ferric iron LUSTER how shiny STREAK color of powder HARDNESS copper penny iron nail glass plate CLEAVAGE breakage in one directions What are igneous rocks? sedimentary rocks? metamorphic rocks? How do you classify igneous rocks? INTRUSIVE mineral composition grain size texture EXTRUSIVE Click pic What are sedimentary rocks? What are the types and classifications of sedimentary rocks? COURSE GRAINED CLASTICS MEDIUM GRAINED CLASTICS FINE GRAINED CLASTICS What are organic sedimentary rocks? contain fossils or once living What are metamorphic rocks? What are the types and classifications of metamorphic rocks? What are the types and classifications of metamorphic rocks? TEXTURE foliated SCHIST from granite nonfoliated MARBLE from limestone
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