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2. Topaz - Wikipedia

   en.wikipedia.org/wiki/Topaz

   Topaz is a silicate mineral made of aluminum and fluorine with the chemical formula Al 2 Si O 4 (F, OH) 2.It is used as a gemstone in jewelry and other adornments. Common topaz in its natural state is colorless, though trace element impurities can make it pale blue or golden brown to yellow-orange. [7]

3. Speidel - Wikipedia

   en.wikipedia.org/wiki/Speidel

   It was originally founded in Germany by Friedrich Speidel in 1867 as a manufacturer of gold and silver chains. The Speidel Chain Company was formed in its modern state in the United States in 1904. It was known for its "Ratchet-buckle" watchbands (introduced in 1920), the "Scissors Action Expansion Band" (introduced in 1936), the ladies ...

4. Charivari (decorative chain) - Wikipedia

   en.wikipedia.org/wiki/Charivari_(decorative_chain)

   Made of solid silver or silver-plated chain, it is decorated with gemstones, coins, medals, horn, and small body parts from a variety of animals. [ 1 ] [ 2 ] Origin and use

5. 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

6. Gemstone - Wikipedia

   en.wikipedia.org/wiki/Gemstone

   When jewelry containing sapphires or rubies is heated, those stones should not be coated with boric acid (which can etch the surface) or any other substance. They do not have to be protected from burning, like a diamond (although the stones do need to be protected from heat stress fracture by immersing the part of the jewelry with stones in the ...

7. Sterling Jewelers - Wikipedia

   en.wikipedia.org/wiki/Sterling_Jewelers

   Sterling Jewelers, Inc. is an American specialty jewelry company headquartered in Akron, Ohio. The company was founded in 1910 by Henry Shaw (the father of Jerry Shaw, the chairman emeritus of Sterling today), from LeRoy's Jewelers in Lorain, Ohio .