Infobase
Hello friends. When a person thinks of gold, they imagine a yellow metal. Sometimes
Italian boutique When you need to buy gold jewelry, you can get confused. What kind of things
Muscovite is a layered potassium silicate that belongs to the mica group, and is more often
Chemical composition Chemically pure gold is almost never found in nature. Usually contains silver impurities
Diamond and diamond - synonyms? Or are there differences between them? From a chemical point of view
Sometimes just one detail is enough to make you feel a little more confident, a little more stylish,
The value of minerals is determined by many criteria, including the degree of their hardness. The harder the stone,
Amber is a stone with which many legends have been associated from time immemorial. There is a famous ancient Greek
Gold Atomic number 79 Appearance of the element Soft malleable yellow metal Properties of the atom
Hello! Today we’ll talk about what the most expensive pearls in the world are and make a rating