Mineral
crystal
crystal
Cristal's
Yes, a mineral can still be classified as a crystal even if it does not exhibit smooth faces. Crystals are defined by their orderly internal arrangement of atoms, which results in a specific geometric shape, regardless of surface smoothness. Factors such as growth conditions, environmental influences, or physical damage can lead to rough or irregular surfaces while still retaining the crystalline structure internally.
I think you are referring to a crystal.
A sphere
a sphere
Arrangement of ions into a pattern in a mineral is referred to as crystal lattice structure. This structure gives minerals their characteristic geometric shape and physical properties.
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.
Salt crystals have a smooth surface because of the regular, repeating arrangement of sodium and chlorine ions in the crystal lattice structure. This arrangement forms an orderly pattern with minimal irregularities and causes the crystal to have a smooth appearance on a macroscopic scale. Additionally, the ionic bonds between sodium and chlorine ions are strong, leading to a stable and compact crystal structure.
A sphere
A sphere