(metallurgy). To separate a metal or a mineral from an ore by various chemical or mechanical methods. (pharmacology). A pharmaceutical preparation obtained by dissolving the active constituents of a drug with a suitable menstruum, evaporating the solvent, and adjusting to prescribed standards.
Tibetans consider amethyst sacred to the Buddha and make prayer beads from it. Amethyst is considered the birthstone of February. In the Middle Ages, it was considered a symbol of royalty and used to decorate English regalia.
Note that healing crystal meanings are spiritual supports to healing and are not prescriptions or healthcare information. Amethyst is associated with the third eye and crown chakras primarily, but can also open the heart chakra. It is also associated with both air and water elements.