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The American continent is home to 2 cradles of civilization: in the Andes and Mesoamerica. Cultures in these regions developed more complex methods of jewellery creation. The Andes is the origin of hot working metallurgy in the Americas and consequently the region has the longest history of work in materials such as silver, platinum and gold ...
Sican tumi, or ceremonial knife, Peru, 850–1500 CE. Metallurgy in pre-Columbian America is the extraction, purification and alloying of metals and metal crafting by Indigenous peoples of the Americas prior to European contact in the late 15th century.
Oscar Heyman & Brothers is an American fine jewellery design and manufacturing firm. [ 1 ] [ 2 ] The company is known for its expertise in manufacturing and as well as its use of colored gemstones. [ 3 ] [ 4 ] The company is known in the jewelry industry as ′The Jewelers’ Jeweler,′ which is the name of the book on the company researched ...
GOBankingRates took a look at some of the most expensive jewelry ever owned. These iconic pieces adorned some of the richest and most celebrated people in the world, including beloved movie stars.
Naturally occurring platinum and platinum-rich alloys were known by pre-Columbian Americans for many years. [5] However, even though the metal was used by pre-Columbian peoples, the first European reference to platinum appears in 1557 in the writings of the Italian humanist Julius Caesar Scaliger (1484–1558) as a description of a mysterious metal found in Central American mines between ...
Platinum is a particularly useful metal; over a third of the annual world production goes for catalytic converters, and new fuel cell technology depends on it as well. However, when it comes to ...
Platinum is a chemical element; it has symbol Pt and atomic number 78. It is a dense, malleable, ductile, highly unreactive, precious, silverish-white transition metal. Its name originates from Spanish platina, a diminutive of plata "silver". [7] [8] Platinum is a member of the platinum group of elements and group 10 of the periodic table of ...
Before paying hard-earned cash for platinum jewelry this holiday season, look for the stamp to make sure you're getting what you pay for, the U.S. Federal Trade Commission says. The FTC announced ...