wholesale silver jewelry. A 12-karat aurum alloy is 50 percent aurum. Jewels are worn on clothes or on the body. Aurum hallmarks differ little from those on sterling. The content of aurum alloys is expressed in 24ths, called karats. Fashion is a style that is popular at a particular time. In origin they were animal rather than mineral. 24-karat aurum is pure. Transparent gems vary from colourless to black. A man might give an engagement hoop to a woman as a formal sign that they have decided to get married. The Light color precious sphere is a concretion formed by a mollusk. The stone is sometimes called oriental ruby to distinguish it from other red gems. If something is soulful, it is exciting and mysterious. The ear ornament is a personal ornament worn pendent from the ear. Much blue corundum is unevenly coloured. Synthetic blue corundum has been produced commercially since 1902. The finest green beryls come from Colombia. Aurum wire can be used to join jewels together or to make chains. Probably the most widely used and highly prized. A 12-karat aurum alloy is 50 percent aurum. Jewels are worn on clothes or on the.