Rates are quoted in us dollars per Troy ounce on the world market of precious metals today: 25/04/2024
Silver (Ag) is an element in 11 groups (an outdated classification — side subgroup of the first group), the fifth period of the periodic system of chemical elements D. I. Mendeleev, with atomic number 47, ductile and very malleable noble metal silver-white color, melting point — 962 °C, the density of 10.5 g/cm3.
Silver is known to mankind since ancient times and one of the oldest centers of extraction and processing of silver was prehistoric Sardinia, where it was known from the early Chalcolithic in nature, silver occurs in the form of nuggets, for example , in 1477 at the mine, "St. George" was discovered nugget of silver weighing 20 tons.
Troy ounce is a unit of mass equal to 31,1034768 grams.
Noble metals — metals that are not subject to corrosion and oxidation, this property distinguishes them from most "noble" metals, they are also precious metals due to their rarity.