![]() ![]() It dissolves only in mercury and aqua regia - a mixture of concentrated hydrochloric and nitric acid, and its melting point is 1063 degrees Celsius. Gold does not corrode, does not rust, does not oxidize in air and water, it is resistant to humidity and tarnish. Pure gold is very durable and ductile, making it easy to work with. Even though gold is used in many areas of life today, it remains a luxury good. Over time, gold has also become a legal tender, and thanks to its great chemical resistance, it has found application in such areas as dentistry, electronics, automotive, aviation, medicine, cosmetology, food industry, and gastronomy. Even today, we can admire intricate goldsmithery in museums, that have survived from previous eras in the form of diadems, necklaces, rings, brooches, buckles, dishes, vases, candlesticks, chandeliers, caskets, statues, and objects for religious worship. In the past, items made of gold were very expensive, they were a symptom of wealth, power, and even divinity, which is why they most often belonged to royal families or people in high social positions. Gold has always been a symbol of beauty, and its color has been associated with the sun. Even nowadays, gold mining requires a lot of knowledge, persistence in searching, hard work, andĪ lot of luck, thanks to which it remains a unique metal. ![]() Gold mining has never been easy, so gold has always been considered a rare and high-value metal. ![]() Gold is a precious metal that occurs much less frequently in nature than other metals, and it has been used in jewelry since ancient times. Production of silver and gold jewellery.Laser cutting services of silver and gold. ![]()
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