Analytical transmission electron microscopy (TEM) is used to reveal sub-micrometer, internal fine structure (the microstructure or ultrastructure) and chemistry in minerals. The amount and scale of the information which can be extracted by TEM depends critically on four parameters; the resolving power of the microscope (usually smaller than 0.3 nm); the energy spread of the electron beam (of the order of an electron volt, eV); the thickness of the specimen (almost always significantly less than 1 μm), and the composition and stability of the specimen. An introductory text on all types of electron microscopy is provided by Goodhew et...

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