System of measurement The same is true of quarts, gallons, etc. Six US gallons are a little less than five imperial gallons. The Avoirdupois system served as the general system of mass and weight. In addition to this there are the Troy and the Apothecaries' systems. Troy weight was customarily used for precious metals, black powder and gemstones. The troy ounce is the only unit of the system in current use; it is used for precious metals. Although the troy ounce is larger than its Avoirdupois equivalent, the pound is smaller. The obsolete troy pound was divided into 12 ounces, rather than the
Precious (Boukenger) Bishamon Coast that can only be accessible once every 20 years when the tide is low enough. The Questers obtained it without trouble for their master plan: The creation of the Homunculus. After the Questers were killed, the Mercurius Vessel was placed in S.G.S. custody. The is the Precious on which the caduceus symbol is based on. The Questers used Gajya to obtain the staff from Kurosagi Forest. It can shoot powerful lighting. When put into the Mercurius Vessel, the staff took the shape of the Homunculus' skeleton. The is a Precious found inside a volcano's crater on Genbu Mountain,