Orthoclase feldspar
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Feldspar
This is a feldspar mineral!
Look for it in igneous rocks where it looks like white or pink crystals. You might find it in other types of rocks as well.
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TES XXVI, 3 fall 2010
The
Fall 2010 issue of The Earth Scientist, focuses on rocks and minerals, including articles on minerals and mining, the use of minerals in society, and rare earth minerals, and includes 3 posters!
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What’s the Earth made of? Most of the Earth’s outer layer, the crust, is made up of eight types of elements. Oxygen (O) Silicon (Si) Aluminum (Al) Iron (Fe) Calcium (Ca) Sodium (Na) Potassium (K) Magnesium
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Mica minerals make some rocks sparkle! Look for them in your igneous and metamorphic rocks. Do they make your rocks sparkle? They break into flat plates because they have cleavage.
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This is a feldspar mineral! Look for it in igneous rocks where it looks like white or pink crystals. You might find it in other types of rocks as well.
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The mineral that is green is called olivine! Look for it in igneous and metamorphic rocks. In this picture, olivine is filling a hole in the igneous rock.
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