(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.
February's birthstone, Amethyst is a beautiful purple stone associated with sincerity, peace of mind and good health. Amethyst is a symbol of protection and has the power to overcome difficulty. Encourages self control and strengthens the bond in a love relationship. Amethyst is also believed to have great mystical qualities and it can help to steady a restless mind and bring mental and emotional well-being. Amethyst brings intuition, motivation and sincerity.