These may take the form of symbols (such as the ankh), stones, plants, animals, body parts (such as the Khamsa), or glyphs (such as stylised versions of the Throne Verse in Islamic art).In creating jewellery, gemstones, coins, or other precious items are often used, and they are typically set into precious metals.
These high purity alloys, however, are widely used across Asia, the Middle East and Africa.
Platinum alloys range from 900 (90% pure) to 950 (95.0% pure).
In British English, Indian English, New Zealand English, Hiberno-English, Australian English, and South African English it is spelled jewellery, while the spelling is jewelry in American English.
Both are used in Canadian English, though jewelry prevails by a two to one margin.
Jewellery can also symbolise group membership (as in the case, of the Christian crucifix or the Jewish Star of David) or status (as in the case of chains of office, or the Western practice of married people wearing wedding rings).
Wearing of amulets and devotional medals to provide protection or ward off evil is common in some cultures.Alloys of nearly every metal known have been encountered in jewellery. Modern fine jewellery usually includes gold, white gold, platinum, palladium, titanium, or silver.Most contemporary gold jewellery is made of an alloy of gold, the purity of which is stated in karats, indicated by a number followed by the letter K.In most cultures jewellery can be understood as a status symbol, for its material properties, its patterns, or for meaningful symbols.Jewellery has been made to adorn nearly every body part, from hairpins to toe rings, and even genital jewellery.For many centuries metal, often combined with gemstones, has been the normal material for jewellery, but other materials such as shells and other plant materials may be used.