Minerals
Rocks
Igneous Rocks
Sedimentary Rocks
Metamorphic Rocks
Rocks Used in Building
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Igneous Rocks
Inner Structure of the Earth
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Metamorphic Rocks
Minerals
Our Place in the Universe
Plate Tectonics
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Sedimentary Rocks
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Acmite
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Photos of Minerals
Acmite
Acmite
Acmite
Photos are copyright free for non-commercial educational uses. Just credit photos to R.Weller/Cochise College.
Photos
Acmite, elongated black crystals
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