Jewellery - materials
Jewellery can consist of various materials. Throughout the ages people made jewellery of various materials, varying from diamonds to even plants! Nowadays jewels are usually made of gold, silver and precious stones, like diamond, ruby and emerald. Other materials are pearls, glass, synthetic, wood, brass, crystal, plastic and even fabric. The term bijou is usually used for jewellery which have not been made of gold, silver or precious stones.