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Soil Mineralogy

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Mica

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Mica influences soil texture and fertility through its weathering products, with potassium often being released.

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Calcite

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Calcite's ability to neutralize acids is essential for maintaining pH balance in soils.

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Gypsum

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Gypsum improves soil structure, particularly in sodic soils, by displacing sodium with calcium.

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Goethite

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Goethite affects soil color and is an indicator of soil drainage and aeration conditions.

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Halite

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Halite can cause soil salinity issues, which negatively affect plant growth and soil microbial activity.

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Illite

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Illite retains nutrients such as potassium, which is vital for plant growth.

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Montmorillonite

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Montmorillonite's high surface area and swelling properties contribute to its water retention and nutrient exchange in soils.

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Feldspar

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Feldspar weathers to form clay minerals, which are important for soil structure and fertility.

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Kaolinite

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Kaolinite contributes to soil structure stability and is less reactive compared to other clays regarding nutrient exchange.

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Quartz

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Quartz is highly resistant to weathering and helps in determining the soil's age.

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Gibbsite

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Gibbsite indicates high rates of chemical weathering and is significant in tropical soils.

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Dolomite

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Dolomite contributes to soil magnesium content and can also help in correcting soil acidity.

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