Characteristics
History Ancient peoples knew about the properties of steatite. The history of its use dates back thousands of years: Dishes made from
History of the discovery The history of the discovery of the metal is “multi-series”: He was the first to discover it (1801) while studying lead raw materials,
Onyx is a unique semi-precious stone with many color variations. The gem is described in many manuscripts,
Gold-plated silver chains Where to store and how to protect them from blackening It’s hard not to love
Having learned to process metals, people began to create rings from them, which they wore as decoration, used
Quartz is one of the most common minerals. About 70% of the earth's crust consists of
Obsidian in the world of Minecraft is the most durable block, which is far from...
Petersite is a stone considered to be a subspecies of tiger's eye. Officially listed as a semi-precious mineral, but costs much more
The introduction of unified federal accounting systems, providing for mandatory registration of all products entering circulation, becomes
The green ornamental mineral has been known to mankind since the time of the Bible, in which it is mentioned