A medallion is a round or oval pendant on a chain, inside of which you can put any
Formula BeAl2O4 Color Bluish green, brown, brownish green, green, gray Luster Glass Transparency Transparent, translucent Hardness
There are places in Russia where everyone can engage in independent gold mining.
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Jewelry with precious stones is not just a beautiful addition to your look. If you know
Origin of the mineral Achroite is a colorless or almost colorless form of tourmaline, among all its
Malachite is one of the most beautiful minerals. According to A.E. Fersman, the ego is “a bright stone,
Spinel is a mineral of rare beauty, which is a mixture of magnesium oxide and aluminum. Noble Radiance
From time immemorial to the present time, jewelers have been actively working to diversify as much as possible.
Feldspar is such a common group of minerals that it makes up almost half the mass of the earth.
