Ornamental stones

Color Black, dark brown Hardness on the Mohs scale 2.5 - 3.5 Density g/cm3 1.3 -1.4

Category Rocks Name in English. Obsidian Formula SiO2 Group Acid Rock Group

History and origin The history of the stone begins in antiquity. Initially, weapons were made from the green mineral

Why is amber called the sun stone? In terms of its composition, amber stone has an amorphous structure and

History and origin No one knows the exact time of discovery of marcasite. It is only known that about

History and origin Black onyx stones by their name are associated with Ancient Greece, since

What is this stone? Photo: Falcon (or hawk) eye is a valuable ornamental stone -

History and origin Description of the stone: semi-precious or ornamental stone belonging to the silica rock. Famous

Rose quartz is a stone that brings love and inspiration. Its magical properties were discovered by the ancients

History and origin of the stone Black tourmaline gets its name from the German word Schorl. It is assumed that