(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.
A symbol most popular to Pythagoreans (they have made use of it to identify each other), the Pentad is a five-pointed star that also means other things. It can represent the number five in a lot of ways but can also be interpreted to mean invulnerability, power and life. Nicomachus, the Greek Philosopher who studied the pentad and its relationship with the Pythagorean says that Justice is five.