Types of stones

What kind of stone: Ornamental; Deposits: Australia, Poland, Kazakhstan, Brazil; Colors: From bluish green to emerald green and

Moissanite is an unusual mineral discovered by G. Moissan in 1893. And it’s up to the researcher to find this stone

Exquisite beauty, bewitching, unique patterns - this is natural agate, a semi-precious mineral. It's no surprise that

Hello, friends! If you have ever seen and held blue opal in your hands, then you

Discovered less than a century ago, the amazing mineral of the borate family, painite, has created an unimaginable sensation in the world.

Formula Al2O3 Color Blue and cyan in various shades; colorless, pink, orange, yellow, green, purple,

Fans of precious stones know that since ancient times in Rus' sapphires were called yakhonts, and

Krayukhin S. A., Scientific Director of the National Private Educational Institution of Higher Education "Technical University of UMMC" Krayukhin Sergey Aleksandrovich,

Tips What external features characterize a natural stone and help determine the authenticity of topaz? Independent examination,

Larvikite is an igneous rock that belongs to the feldspar family. It is also called