Ornamental stones

History Eye stones were on a special account among the clergy of the ancient world. They wore it

History of origin The mineral owes its fame to the greatest commander of history - Alexander the Great, who used

Formula X2-3Si2O5(OH)4 Color Dark green, shades of black, brown Gloss Glassy, ​​greasy, waxy Transparency Opaque Hardness

History and origin Cubic zirconia is a human creation and the triumph of technology in copying natural processes.

History and origins Tiger's eye was first discovered in South Africa in the nineteenth century.

Property Description Formula NaAlSi2O6 or Na2O·Al2O3·4SiO2 Class Silicates. Hardness 6.5 - 7 Density 3.25

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

History and origin Geologists estimate the average age of the rock at 134 million years. However, it is charming,

Category Oxides (minerals) Name in English. Quartz Formula SiO2 Group Group of glass-forming oxides Color White,

History of origin Carnelian is a mineral that was used by ancient people. Find primitive tools