Ruby is, in fact, the king among precious stones, and looks the part. The gem has a blood red color
Tiger's eye is a semi-precious stone. It got its name because
Cubic zirconia is an artificial crystal grown from zirconium dioxide, which has no analogues in the world.
This mineral is so diverse that it is simply impossible to confuse it with another gem. About him
Black diamond: what is it and how, besides color, does it differ from its transparent counterpart?
What is a gem? Sunstone is a transparent or translucent mineral with the effect
Natural jasper is a fairly common mineral; its variegated specimens attracted people's interest a long time ago and attracted
More than two thousand years ago, a mineral of incredible beauty was discovered to humanity, the properties and power of which
Property Description Formula NaAlSi2O6 or Na2O·Al2O3·4SiO2 Class Silicates. Hardness 6.5 - 7 Density 3.25
Silver nugget Silver - Ag, a mineral of the class of native elements, crystallizes in the cubic system, cubic-hexoctahedral
