What is essential here is the presence of the spirit of dialogue, which is in short, the ability to hold many points of view in suspension, along with a primary interest in the creation of common meaning.
I like to call amethyst the mother/healer/teacher/lover of the mineral kingdom because it is for lack of a better term an all purpose crystal. Feeling low? It'll help. Feeling lost? It will help. Need your mom? It will help. Need reassurance that you're making a positive choice in your life? It'll help.
Sing unto the Lord with thanksgiving; sing praise upon the harp unto our God: Who covereth the heaven with clouds, who prepareth rain for the earth, who maketh grass to grow upon the mountains.
How precious also are thy thoughts unto me, O God! how great is the sum of them! If I should count them, they are more in number than the sand: when I awake, I am still with thee.