(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.
Element Air. Amethyst is a stone of devotion, purity and chastity. Amethyst is a variety of transparent quartz. Its color varies from almost colorless, pale-violet or bluish-violet up to purple or dark-violet. Immersed in water, natural Amethyst becomes colorless on the surface - a way to distinguish between natural and lab-grown stones.