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garnet
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garnet The structure of garnet. This schematic diagram of part of the garnet structure shows the distorted silicon-oxygen tetrahedrons and BO6 octahedrons and the distorted cubes with central A cations. Dodecahedron, a common crystal form of garnet. Trapezohedron, a common crystal form of garnet. Dodecahedron-trapezohedron combination, a common crystal form of garnet. photomicrograph of corroded garnet ring Garnet paragonite Figure 15: Schematic cross section illustrating the shell structure of the Earth.
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Photos

garnet
The structure of garnet. This schematic diagram of part of the garnet structure shows the distorted silicon-oxygen tetrahedrons and BO6 octahedrons and the distorted cubes with central A cations.
Dodecahedron, a common crystal form of garnet.
Trapezohedron, a common crystal form of garnet.
Dodecahedron-trapezohedron combination, a common crystal form of garnet.
photomicrograph of corroded garnet
ring
Garnet
paragonite
Figure 15: Schematic cross section illustrating the shell structure of the Earth.
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Basalt sample returned by Apollo 15, from near a long sinous lunar valley called Hadley Rille. Measured at 3.3 years old.
(Bed) Rocks and (Flint) Stones