Platinum is a chemical element with the chemical symbol Pt and an atomic number of 78. Its name is derived from the Spanish term platina, which is literally translated into "little silver". It is a dense, malleable, ductile, precious, gray-white transition metal. Platinum has six naturally occurring isotopes.
Court train, First Empire From the Chateau de Malmaison Costume Collection app: The use of platinum metallic thread to decorate this train is an indication of its exceptional status. This embroidery includes horns of plenty and flowers in full bloom in relief, demonstrating the exceptional skill of the embroiderers who supplied the imperial court with the official costumes Napoleon demanded...."