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AEI: Latin Letters symbolizing the sentiment of “Ever” or “Forever”.

À jour (https://beautifulantiquetreasures.com/2017/07/27/a-jour/): An open back setting that permits light to pass through.

À la Mercure: gilding using mercury, only used today for restoration.

Acrostic (https://beautifulantiquetreasures.com/2013/02/10/the-language-of-stones/): when the first letter of the name of each stone spells out a message (for example – ruby, emerald, garnet, amethyst, diamonds – spells ‘REGARDS’).

Adamantine: term used to describe the luster exhibited by diamonds and gems with a Refractive Index of 1.9 – 2.5. (from the Greek ‘untameable’).

Addorsed: from the French adosse, to lean, meaning a motif with animals or objects placed back to back. Seen in heraldic designs, signatures and trademarks.

Adularescence: An internal “floating” movement of light across a gemstone that varies as light strikes the exterior.

Adularia: moonstone.

Aesthetic Period: Victorian era 1885-1901

Agate: a variety of chalcedony, can be many different colors and levels of translucency.

Aggregate: composed of various minerals.

Agra Diamond: famous diamond surrounded in legend, found in the mid-1500s in Agra.

Aigrette (https://beautifulantiquetreasures.com/2013/02/16/aigrettes/): hair ornament designed to hold feathers.

Aiguillette: dress ornaments (mainly 15th century).

Akbar Shah Diamond: famous diamond from Mogul Empire.

Alabaster: gypsum and calcite but has also been used to indicate selenite.

Albert Chain: style of watch chain as worn by Prince Albert in which one end is attached to button hole of vest.

Alexandrite (https://beautifulantiquetreasures.com/2013/01/05/alexandrite/): chrysoberyl variety wtih distinct change of color.

Allochromatic: a gemstone whose colors are due to impurities.

Alloy: The mixture of two or more metals.

Alluvial: ‘brought by water’. In jewelry, refers to gems and stones and gold found in water.

Alma Chain: a type of chain with broad links and a ribbed surface.

Almandine: purple red garnets (when cut in cabochon they are called ‘carbuncles’).

Alpaca: alloy of 65% copper, 19% zinc, 14% nickel and 2% silver. Can be used in jewelry. (Also known as: white metal, neusilber, argentan, argentor, bendorfer silver, christoffel, packfung, peru silver, nickel silver, sterling metal, German silver).

Aluminum: white base low density metal not usually used in antique jewelry, sometimes used in contemporary jewelry.

Amatory Jewels: type of love token jewelry of the late 1700s. Navette shaped. Usually made in England though of French appearance.

Amazonite: a variety of the microcline series of the feldspar group. Never faceted. Blue-green.

Amber (https://beautifulantiquetreasures.com/2013/01/26/amber/): fossilized sap, resin, or gum from ancient tries

Amberina: two toned glassware (usually orange and red ‘amber’ like colours). Can be used in jewellery.

American Brilliant Cut: method of cutting diamonds for greatest brilliancy and fire; most popular in contemporary era.

American Doublé: gilded tombak.

Amethyst (https://beautifulantiquetreasures.com/2014/11/01/amethyst/): type of quartz. Ranges in color from deep purple with red flashes (known as Siberian amethyst) to a pale lilac with blue undertones (called Rose de France.)

Ametrine: variety of quartz consisting of both amethyst and citrine with zones of both purple and yellow.

Amorphous: without form. Examples of amorphous materials used in jewelry are: glass, amber, moldavite, obsidian, opal.

Amulet: worn for superstitious purposes (ward off evil, bring good fortune etc) Anchor Chain: cable chain with additional cross bar.

Anchor Motif: Popular Victorian motif signifying ‘hope’. (“… which hope we have as in anchor of the soul.” – Heb.v.19)

Andalusite: Orthorhombic gemstone, Brownish to Yellowish Green, Green, Brown, rarely Pink. Andradite: gemstone known as garnet / when Green: Demantoid, when Black: Melanite, whenYellow: Topazolite.

Angel-skin (coral): referring to coral when it is pale pink or pinkish-white in colour.

Annealing: heating metal to remove brittleness.

Anodized: preparing metal for coating.

Antimony: chemical element used for making pewter and for some solders.

Antique: at least 100 years old.

Apatite: gemstone, can be colorless, Yellow, Green, Violet, Blue, Pink or Brown.

Apple coral: soft red and golden yellow coral (from the coral species ‘melithaea sponge’).

Appliqué (https://beautifulantiquetreasures.com/2013/03/27/applique/): decorative items of one material or metal affixed to another.

Aqua Regia: combination of acids that will dissolve gold and platinum.

Aquamarine:(Latin, “water from the sea”), a pale green bluish to dark blue beryl.

Arabesque: intricate design of interwoven flowing lines, composed in a geometric pattern.

Aragonite: pearls / mother of pearl

Archaeological Revival: Jewelry made in the 19th century that drew inspiration from archeological expeditions, mainly the Etruscan findings.

Archduke Joseph Diamond: famous diamond, 12th largest perfect diamond in world. Arcots: pair of famous pear shaped diamonds.

Argentan: word stamped onto objects that look like silver but are not. For examples, nickel, German-silver or alpaca.

Armlet: bracelet worn on upper arm.

Art Deco Jewelry: A style of jewelry dating from the 1920s through the mid to late 1930s.

Art Moderne: design movement 1935-1945. Salvador Dali and Georges Braque were two notable artists who designed jewellery in this style.

Art Nouveau Jewelry: A free-flowing, naturalistic style of jewelry popular from the 1890s until about 1910.

Articulated: Having flexibility through the implementation of hinges or jump rings.

Arts & Crafts jewelry: Jewelry from The Arts & Crafts Movement (1890-1914) Influenced by British designer William Morris.

Asprey: English luxury merchandise company founded in 1781.

Assay: metal testing process.

Asscher Cut: type of diamond cut that has a square, step cut.

Asterism: A star form achieved through the combination of internal gemstone characteristics (needle configuration) and a cabochon cut.

Aucoc: renowned nineteenth-century French jeweller and goldsmith. Louis Aucoc (1850-1932). Ave: the ten small beads on a rosary.

Aventurescence: glittering sparkling shimmer reflections of small inclusions of hematite or goethite in feldspar or fuchsite or hematite in quartz.

Aventurine: gemstone, translucent to Opaque Green (most common), Blue, Gray, Yellow and Brown with Aventurescence.

Azurite: gemstone, Dark Brown, Light to Dark Green, Yellow & Black. Azurmalachite: rock, patterned Blue and Green.

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