Minerals
Rocks
Igneous Rocks
Sedimentary Rocks
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Rocks Used in Building
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Igneous Rocks
Inner Structure of the Earth
Mass Wastage
Metamorphic Rocks
Minerals
Our Place in the Universe
Plate Tectonics
Properties of Matter
Sedimentary Rocks
Streams and Rivers
Tectonics
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Perlite
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Photos of Rocks
Igneous Rocks
Perlite
Perlite 14
Perlite 14
Photos are copyright free for non-commercial educational uses. Just credit photos to R.Weller/Cochise College.
Photos
Perlite And Apache Tear
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