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Minerals (Characteristics (Definite chemical composition (Different from…
Minerals
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Categories of Minerals
Silicates
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Examples: feldspar, quartz, and mica
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Properties
Visual properties
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Examples: color, luster, shape
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Physical properties
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Examples: breakage, hardness, specific gravity, and streak
Breakage: cleavage splits on flat surfaces, while fracture does not splits along flat planes
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Special properties
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Examples: effervescence, magnetism, fluorescence, phosphorescence, double refraction
Uses
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Gemstones
Precious have beauty, durability, size and rare
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