Amethystine

a.	1.	Resembling amethyst, especially in color; bluish violet.
	2.	Composed of, or containing, amethyst.

Adj.

1.

amethystine - containing or resembling amethyst

lavender, lilac, livid, magenta, mauve, mulberry, orchid, pansy-purple, plum-colored, plum-purple, purple, purplescent, purplish, purply, purpurate, purpure, purpureal, purpurean, purpureous, raisin-colored, violaceous, violet