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Mineral crystal faces of varying luster and geometric shapes.
crystal faces
The sparkle is the reflection of light off the mineral crystal faces or cleavage surfaces.
Beneficial to euhedral crystal shapes would be the proper temperature and length of time spent in ideal conditions for crystal formation for the particular mineral. Ideal conditions would include: space available for mineral crystal growth and availability or supply of mineral rich solutions bearing mineral components.
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.
Mineral crystal faces of varying luster and geometric shapes.
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.
crystal
crystal faces
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They accumulate in crystal faces.
If a mineral belongs to the hexagonal crystal group, then its crystals have six sides.
Crystal faces.
The area of crystal growth usually takes place on the outermost layers of crystal faces.
Because of the reflection of light off the ice mineral 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.
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