Question

What is the meaning of orderly arrangement in crystal?

Answer 1

Crystals have definite geometric forms that reflect the arrangement in lattices of the atoms of which they are composed

Answer 2

Answer:

It is the orderly arrangement of ions, molecules, or atoms in any mineral that determines the shape of its crystals. Each type of mineral has its own crystal form. ... In quartz, the crystal faces meet at angles of 120°. Not all crystalline substances, however, have crystal faces.