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Rocks |
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| Most rocks are aggregates - made of two or more minerals | |
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| Layered Volcanic rock Norite | Breccia |
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| Coquina | Gabbro with magnification of crystals |
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| Ammonite fossil | Vesicular Basalt |
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Minerals |
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| Minerals are naturally occurring inorganic homogeneous solids with definite physical and chemical properties (not artificial, never alive, made of crystals with a single chemical formula) | |
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| Diamond | New Jersey State Mineral |
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| Copper | Molybdenum |
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Other- |
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| no crystals not a solid | organic or artificial structure |
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| Obsidian Volcanic glass no crystals | Human Being |
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| Test your knowledge by observing the following pictures. Using the criteria for a rock , mineral or other decide which substances are minerals, which are rocks and which are something other than a rock or mineral. | |
