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Ann Knapp's Articles in Metal

  • The Shining Facts about Silver
    Demand for silver comes from three major areas: industrial, photography and jewelry and silverware. These three categories represent more than 95 percent of annual silver consumption. While jewelry is instantly recognizable as an element in jewelry its role in the modern word goes far beyond jewelry, let's take a look at why silver is so important.
  • The Hidden History of Gold
    Gold is a pure metal first found by early man. It is very workable in its naturally occurring pure state and has been used by craftsmen for the past 11,000 years. Revered for millennia gold is now the material of choice of people across the globe as an expression of love. Let's look more closely at the fascinating story of gold.
  • The History of Platinum
    The overnight stardom of platinum really boils down to years of paying dues and working hard prior to its introduction and sudden success in jewelry at the turn of the 20th century. Let's look at the history of platinum and the properties that have made it an important metal in the world of jewelry.
  • Gold Mining: How We Dig It
    There are two main gold mining methods, one is called "placer" and the other is "vein" mining. And another type of mining is when gold is collected as a by-product in the mining of other metals.
  • What Is Palladium And How Is It Used?
    Of the platinum group of metals -- platinum, palladium, iridium, rhodium, osmium and ruthenium -- palladium has the lowest specific gravity and the lowest melting point. William Hyde Wollaston and Smithson Tennant isolated palladium as a separate member of the platinum group in 1802. It wasn't used in jewelry until 1939, when platinum was declared a strategic metal and reserved for military use.



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