The mineral halite is seen in the image. one part of the atomic arrangement repeats indefinitely to make the entire crystal. this property of a mineral is called:

This mineral has the property of crystallinity. Crystalline solids are characterized by their repeating units called unit cells. There are 4 common types of unit cells: primitive cell, body-centered cell, face-centered cell and the hexagonal cubic cell. Each of this have their own distinct unit cell lengths and coordination number.