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Rocks and Minerals

Minerals - Building Blocks of Rocks

Minerals - Building Blocks of Rocks
Reading Level
     edHelper's suggested reading level:   grades 5 to 6
     Flesch-Kincaid grade level:   5.41

Vocabulary
     challenging words:    calcite, cassiterite, fluorite, hardness, luster, geologist, occur, man-made, talc, mantle, naturally, scientist, radio, form, graphite, quartz

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Minerals - Building Blocks of Rocks
By Brenda B. Covert 		  
1     Minerals occur naturally - they are not man-made. They grow, but they do not have life. Each kind of mineral has a special color, crystal shape, luster, hardness, and even its own way of splitting or breaking apart. A geologist - a scientist who studies the Earth and its rocks - will study all those things to determine what type of mineral they have found.
 
2     People do not make minerals. They are formed within the Earth's mantle, within the Earth's crust, or on the surface of the Earth. Strong heat and pressure form minerals in much the same way as rocks are formed.

Paragraphs 3 to 4:
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