An Amethyst Is One

This page is the CodyCross answer for the clue below from Culinary Arts, Group 139, Puzzle 3 (Salisbury Steak).

Question

An Amethyst Is One

Answer

CRYSTAL

Word Meaning:

CRYSTAL — (countable) A solid composed of an array of atoms or molecules possessing long-range order and arranged in a pattern which is periodic in three dimensions.

Definitions from Wiktionary.