Cleavage in a beryllium crystal

Cleavage in a beryllium crystal

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Caption: Beryllium crystal. Coloured scanning electron micrograph (SEM) of cleavage in a beryllium (symbol Be) crystal. Cleavage is splitting, or tendency of a crystal to split, along definite crystalline planes to produce a smooth surface. Here, 2 types of cleavage are seen: basal cleavage (centre and upper frame) where the crystal can be peeled off in flat sheets; and prismatic cleavage (bottom frame) where the crystal can be broken off as thin prisms. Beryllium, a group 2A chemical element, is used in nuclear reactor reflectors. This crystal contains 0. 17 mole percent of copper. Magnification: x126 at 6x7cm size.

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Keywords: basal cleavage, beryllium, beryllium crystal, beryllium/copper, beryllium/copper crystal, chemical, chemistry, cleavage, coloured sem, compound, compounds, copper/beryllium crystal, crystal, images, magnified image, micrograph, microscopic photos, prismatic cleavage, scanning electron, subjects

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