History and origin Science has established that the properties of amethyst were studied by the Sumerians. In Egypt, stone
History and origin There are two versions about the origin of black diamond: terrestrial and cosmic. Counts,
History and origin This mineral has a very long and interesting history. In ancient times it was believed
Silver nugget Silver - Ag, a mineral of the class of native elements, crystallizes in the cubic system, cubic-hexoctahedral
There is an ancient legend: if you press the malachite stone to your body, you can become invisible and
History Eye stones were on a special account among the clergy of the ancient world. They wore it
Spinel is an original and very rare metal. The gemstone has a rich color and memorable
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.
