Jewellery components

thumb|Georgian seed pearl gold ring

thumb|upright=1.1|Group of precious and semiprecious stones—both uncut and faceted—including (clockwise from top left) diamond, uncut synthetic [[sapphire, ruby, uncut emerald, and amethyst crystal cluster.]]

Hematite (), also spelled as haematite, is a common iron oxide compound with the formula Fe2O3 and is widely found in rocks and soils. Hematite crystals belong to the rhombohedral lattice system which is designated the alpha polymorph of . It has the same crystal structure as corundum () and ilmenite (). With this crystal structure geometry it forms a complete solid solution at temperatures above .

thumb|upright=1|right|A selection of glass beads thumb|Merovingian bead thumb|Trade beads, 18th century thumb|Trade beads, 18th century

small relief carving

thumb|Amber pendants thumb|right|Pushpaka Thali - Wedding pendant used by Pushpaka Brahmins of [[Kerala, India]] thumb|Wedding pendant with 21 beads used by Saint Thomas Christians of India thumb|Spanish pendant at Victoria and Albert Museum. thumb|Indonesian pendants

thumb|Historic rhinestone copy of the Florentine Diamond, made in 1865 in Paris by the L. Saemann company thumb|Rhinestones on a tiara thumb|Rowenta enamel rhinestone compact

method of joining pieces of metal or other ductile material by deforming to fit

natural quartz glass, probably created by a meteorite impact

thumb|right|A late 17th-century locket, depicting the head of Charles I of England|King Charles I (reigned 1625–1649) A locket is a pendant that opens to reveal a space used for storing a photograph or other small item such as a lock of hair. Lockets are usually given to loved ones on holidays such as Valentine's Day and occasions such as christenings, weddings and, most noticeably during the Victorian Age, funerals. Historically, they often opened to reveal a portrait miniature.

jewelry made to complement current fashions usually made of inexpensive materials and often set with imitation or semiprecious stones

jewellery made links of, or imitating, precious metal and worn as an ornament

thumb|291x291px|Fordite in Dearborn, Michigan, 2019 Fordite, also known as Detroit agate, Motor City agate, paint rock, or paint slag, is a lapidarist term for polished pieces of finely layered paint masses from automobile factories. The masses consist of automotive paint which has hardened sufficiently to be cut and polished. It was formed from the progressive buildup of layers of enamel paint on tracks and skids on which cars were painted with acrylic lacquer, which have been baked numerous times. In recent times the material has been upcycled into jewelry.

thumb|A pair of kolts featuring two birds flanking the tree of life and a ryasna, a chain of medallions, found in 1842 in or near the [[Church of the Tithes in Kiev). Cloisonné enamel on Gold. 12th century.]] thumb|Kolts found in Nizovka, Chernihiv Oblast. 12th century.

thumb|Kolts haning on ryasnas found in Nizovka, [[Chernihiv Oblast. 12th century]]

thumb|right|A golden Mamuli with flower decorating its base.