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Al and Si Quantitation in Routine Silicate EPMA: Maybe not so routine

Al and Si Quantitation in Routine Silicate EPMA: Maybe not so routine

Al and Si Quantitation in Routine Silicate EPMA: Maybe not so routine. John H. Fournelle. Eugene Cameron Electron Microprobe Lab Department of Geology and Geophysics University of Wisconsin Madison, Wisconsin. Motivation.

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513 views • 29 slides
Stoichiometry

Stoichiometry

Stoichiometry. Chemical Analyses and Formulas. Stoichiometry. Chemical analyses of oxygen bearing minerals are given as weight percents of oxides. We need to be able to recalculate oxide analyses to cations per given number of oxygens to derive a chemical formula. Electron Microprobe.

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443 views • 29 slides
Properties of silicate minerals

Properties of silicate minerals

Properties of silicate minerals. Controls on density , hardness , cleavage and resistance to weathering in nesosilicates. Specific gravity (G) tends to decrease from nesosilicates to tectosilicates, as the degree of tetrahedral polymerization increases. G mineral formula (name)

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639 views • 28 slides
Stoichiometry

Stoichiometry

Stoichiometry. Chemical Analyses and Formulas. Stoichiometry. Chemical analyses of oxygen bearing minerals are given as weight percents of oxides. We need to be able to recalculate oxide analyses to cations per given number of oxygens to derive a chemical formula.

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400 views • 24 slides
Solid Solution in Minerals

Solid Solution in Minerals

Lecture 5 Crystal Chemistry Part 4: Compositional Variation of Minerals 1. Solid Solution 2. Mineral Formula Calculations. Solid Solution in Minerals. Where atomic sites are occupied by variable proportions of two or more different ions Dependent on:

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807 views • 22 slides
Chemical aspects between water and minerals in view of building geothermal power plants

Chemical aspects between water and minerals in view of building geothermal power plants

Chemical aspects between water and minerals in view of building geothermal power plants. A short introduction into mineralogy from Martin Weber Msc. chem., Switzerland. Analysis of thermal water from the richest mineral source in Switzerland. Place of the fountain: Baden (Switzerland)

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334 views • 15 slides

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