crystalline

crys·tal·line

adj \ˈkris-tə-lən also -ˌlīn, -ˌlēn\

Definition of CRYSTALLINE

1

: composed of or resembling crystals

2

a : formed by crystallization : having regular arrangement of the atoms in a space lattice—see amorphous 2 b : having the internal structure though not necessarily the external form of a crystal <granite is only crystalline, while quartz crystal is perfectly crystallized>

—crys·tal·lin·i·ty \ˌkris-tə-ˈlin-ət-ē\ noun, plural crys·tal·lin·i·ties