Table cut: a diamond cut.
Table: largest facet on the crown of a gemstone.
Taille d’epargné: (black enamel tracery). A variation of champlevé enamel.
Tanzanite: purplish blue gemstone variety of zoisite.
Tassie: a paste or glass copy of a cameo or intaglio, created by James Tassie (1735-1799).
Taxco: main center for silver jewelry production in Mexico.
Taylor-Burton Diamond: diamond previously owned by Elizabeth Taylor.
Tendril: Popular Motif (often used with cannetille).
Terminal: Ornate ends of a necklace or bangle often decorated with heads of a lion, dragon, goat etc.
Tennis bracelet: bracelet with links set with gemstones (usually diamonds) in a straight line.
Tesserae: (plural for tessera: Latin for having 4 corners) Small square or rectangle stones of glass, marble or gemstone used in micro-mosaics.
Tiara: A crown-like head ornament.
Tiffany & Co: Renowned American jewellers, opened in 1837, New York.
Tiffany Setting: a gemstone setting created by Tiffany & Co.
Tiger’s-eye: a chatoyant quartz, brownish yellow to brown or reddish brown.
Tillander: (1860 – present). Finnish jewellers.
Tin-cup: Necklace, particularly pearl, where the gems or beads are separated by lengths of chain.
Titanium: low density, silver coloured chemical element (a metal).
Tombak (in French: Tombac): a copper alloy with maximum 9% zinc. (German word for Pinchbeck.)
Topaz: A gemstone which can be a wide range of colours, including colourless.
Torre del Greco: area in Italy famous for cameo.
Torsade: Twisted strands of pearls or beads creating a necklace and (less often) a bangle.
Tortoise shell: popular material in Victorian jewellery, can be mottled brown, yellow, black or white.
Touchstone: hard, black, smooth stone used to test gold or silver purity.
Tour à réduire: technique that allowed a large scale, detailed model or sculpture to be duplicated as a smaller object.
Tourmaline: a large and varied. family of minerals.
Trabert & Hoeffer-Mauboussin: American jewellers, began in 1920s, ended in 1971.
Trapeze Cut: Gemstone cut – equilateral triangle with flat top.
Trapiche: emerald with central green area radiating six green arms.
Trefoil: decorative element composed of three circular elements linked together.
Tremblant: Jewelry with a trembling effect created by stiff wires that move (en tremblant).
Tricolor gold: when three colours of gold are used together.
Trifari: Costume jewellery company, founded in 1910 (Trifari and Trifari) in Ellis Island by Italian Gustavo Trifari.
Trinity ring: invented by Cartier in 1924, consists of 3 interwoven rings.
Triplet: a composite stone created out of three parts.
Troy ounce: unit of measure for precious metal.
Tube setting: a setting create from a tube which is the same inside diameters as the diameter of the stone.
Tubogas: A flexible tubular chain (also known as a ‘gas pipe’).
Turnau (Turnov): town in the Czech Republic, traditional home of bohemian garnets.
Turquoise: blue, blue-green or grey-green opaque gemstone.
Tutti Frutti: Jewelry set with multi colored gems often with carved leaves, flowers and berries in a basket motif.
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