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2. Sterling silver - Wikipedia

   en.wikipedia.org/wiki/Sterling_silver

   Sterling silver is an alloy composed by weight of 92.5% silver and 7.5% other metals, usually copper. The sterling silver standard has a minimum millesimal fineness of 925. Tiffany & Co. pitcher ( c. 1871 ) having paneled sides and repoussé design with shells, scrolls and flowers; top edge is repousse arrowhead leaf design

3. Native American jewelry - Wikipedia

   en.wikipedia.org/wiki/Native_American_jewelry

   At full magnification, note matting, characteristic minute, closely packed chisel strokes applied by the Hopi (and no one else) to the oxidized areas of the bottom silver sheet in overlay work. Sikyatata became the first Hopi silversmith in 1898. [44] Hopi Indian silversmiths today are known for their overlay technique used in silver jewelry ...

4. Painting with Fire - Wikipedia

   en.wikipedia.org/wiki/Painting_With_Fire

   Painting with Fire (PWF) is the name given to an immersion process for creating torch fired enamel jewelry.This process is the focal point of torch fired enamel jewelry workshops taught by Barbara A. Lewis, written about in her book, and discussed in Belle Armoire Jewelry, [1] [2] [3] Handcrafted Jewelry, [4] Bead Trends, [5] Stringing [6] and Bead Unique.

5. Silver compounds - Wikipedia

   en.wikipedia.org/wiki/Silver_compounds

   Some silver oxide powder.. Silver is a relatively unreactive metal, although it can form several compounds. The common oxidation states of silver are (in order of commonness): +1 (the most stable state; for example, silver nitrate, AgNO 3); +2 (highly oxidising; for example, silver(II) fluoride, AgF 2); and even very rarely +3 (extreme oxidising; for example, potassium tetrafluoroargentate(III ...

6. Niobium - Wikipedia

   en.wikipedia.org/wiki/Niobium

   In 2011, the Royal Canadian Mint started production of a $5 sterling silver and niobium coin named Hunter's Moon [118] in which the niobium was selectively oxidized, thus creating unique finishes where no two coins are exactly alike. A 150 Years Semmering Alpine Railway Coin made of niobium and silver

7. Niello - Wikipedia

   en.wikipedia.org/wiki/Niello

   Elite circles handled silver cups, plates, and bowls on which artisans hammered and chased intricate designs. [16] Sasanian niello is a decorative technique used in metalworking during the Sasanian Empire (224-651 AD). This technique was particularly popular in Sasanian silverwork, adorning objects such as plates, bowls, ewers, and jewelry.