It is called “fire writing”; in the 12th century this art was already widely developed in
As children, many people tried hard to find a four-leaf clover because they believed that
Property Description Formula Cu2CO3(OH)2 Iron impurity Hardness 3.5-4 Density 3.75 - 3.95 g/cm³ Indicator
Filigree (in Russian - scan) is a pattern of thin wire soldered onto metal. WITH
Chiastolite is a mysterious mineral that is surrounded by true stories and legends, scientific sensations and sacred
Gold chains are universal jewelry, because they can be worn constantly without removing them from the neck.
No matter how beautiful natural amber is, people have been trying to improve it for many years.
325 alloy today is considered low-grade gold. Since it turns out that the weight
Titanium deposits Titanium is used in metallurgy, medical technology, jewelry and dyeing industries Titanium -
Diamonds of Yakutia Since ancient times, diamonds have been recognized as the most exquisite and expensive jewelry. But the area
