Platinum

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".

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Source: Wikipedia · Image: Wikimedia Commons · CC BY 3.0

JEWELRYSTORM

Jewelry, demystified — how to choose, size, and care for rings, gemstones, gold and pearls, plus birthstones, metals, and the tools that make it easy.

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