Exam 12: Plate Tectonics: the Framework for Modern Geology

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Which of the following is not a fundamental particle found in atoms?

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Ruby and sapphire are red and blue forms of the mineral __________.

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While there are 90 naturally occurring elements, these combine in various proportions and structures to make nearly ________minerals.

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What is the hardest mineral known?

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________is the ratio of a weight of mineral to a volume of water of equal weight.

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Most ________minerals are microscopic crystals of sheet silicates that form by the chemical weathering of feldspars, pyroxenes, amphiboles and micas.

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Which of the following describes the light reflecting characteristics of a mineral?

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