
Silver is the oldest precious metal
Silver jewelry testified to the high status of their owner. People believed that rings and bracelets that did not darken for a long time retained a beautiful shine, brought good luck and prosperity.
Silver jewelry testified to the high status of their owner. People believed that rings and bracelets that did not darken for a long time retained a beautiful shine, brought good luck and prosperity.
William Wollaston named the metal after the newly discovered asteroid Pallas. This celestial body was discovered a year before the discovery of the precious metal in 1802 by the German astronomer Olbers.
Gold was one of the first metals that man began to use, and jewelry was made from it even at a time when stone and wood were the main materials.
LNG or liquefied natural gas is a product of the secondary impact on produced methane, ethane gas, obtained in order to facilitate its transportation and storage. At the stage of compression, nitrogen is added to it.
Nickel is denoted by Ni. From the German language - a mischievous person, in his years he had a bad reputation because of arsenic.
Oil is a mineral that is a liquid with an oily consistency. Oil is a combustible substance. Its color may vary depending on the area in which it is located. So, the color of oil is black, brown, cherry, and sometimes this substance is transparent.
Platinum is a precious metal that is included in the so-called transitional group, making up the company of gold, silver and copper.
Aluminum is one of the most abundant metals in the earth's crust.
Iron ore is a mineral formation in which the amount of useful metal makes it economically feasible to extract it.
Coal is a sedimentary rock that is formed from decaying fragments of plants (early gymnosperms, club mosses, horsetails, tree-like ferns).