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Fine Jewelry University
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Platinum
…PT or PLAT. In Europe, platinum is identified by the following marks: 950 or PT950. The History of Platinum in Jewelry Platinum has been used in jewelry only since the 19th century. So platinum engagement rings are fairly recent. The Italian-French physician Julius Caesar Scaliger discovered Platinum in 1557. In 1590 Spanish Conquistadors discovered a white metal in the rivers of Equador. Not realizing its superb qualities, they named it contemptuously platina (little …