Types of stones

This mineral is so diverse that it is simply impossible to confuse it with another gem. About him

Cubic zirconia is an artificial crystal grown from zirconium dioxide, which has no analogues in the world.

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

Compulsory medical insurance in Sberbank - what is it? Unallocated metal accounts are one of the available

Citrine is a yellow stone with a so-called citrus tint. Belongs to the quartz family,