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Mineral crystal faces of varying luster and geometric shapes.
crystal faces
These are called striations.
A crystal is a solid. But it is a solid with a natural geometrically regular form that has plane faces that are arranged symmetrically.
In geology, crystals are the geometric shapes into which minerals form. The crystals can be described in terms of axes, angles, and faces, unlike tree bark.
Crystal Systems is the word for "observe number and angle of crystal faces."
I believe the answer would be the crystal system, but the crystal system is based on the angles and length of the axis of the crystal. The axis length and the angle at which they meet would affact the number and angle of the crystal faces.
cleavage surface are smooth and shiny as the fracture is due to weakness in the bonds between the atoms rather than a breakage. Crystal face is where the crystal development such as twinning take place.
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Too Do This You Must Have Thee Correct Objects .
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Quartz vibrates when a voltage is applied between opposite faces of a crystal. The frequency of the vibration depends on the thickness of the crystal, and on the direction of the faces compared to the natural planes in the crystal structure.
the faces on a crystal...
Faces
in the angles between faces and the number of edges of equal length
In the angles between faces and the number of edges of equal length
All of the adjacent faces are perpendicular. So there are 6 faces x 4 faces adjacent to each face So there are 24 perpendicular faces in a rectangular prism.