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Rocks Vs. Minerals
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What is a Mineral? A mineral is a naturally formed, inorganic, solid that has a definite crystalline structure. Same composition throughout Two Groups – Silicate Non-Silicate
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Silicate Minerals MINERALS THAT CONTAIN OXYGEN AND SILICON.
MAKE UP MORE THAN 90% OF THE EARTH’S CRUST
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Non-silicate minerals
Minerals that do not contain silicon Galena Calcite Corundum
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Rocks Sandstone (sedimentary) A rock is a naturally occurring, solid mixture of one or more minerals and organic matter. Three Types: Igneous Metamorphic Sedimentary Obsidian (igneous) Gneiss (metamorphic)
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