Ornamental stones

Gold in nature: where it is found On our planet, gold is found: in plants - some

Category Silicate minerals Name in English. Biotite Formula K (Mg, Fe)3[Si3AlO10] [OH, F]2 Group

Since ancient times, people have believed that semi-precious and precious stones can influence their

Zirconium, properties of the atom, chemical and physical properties. Zr 40 Zirconium 91.224(2) 1s2 2s2 2p6

Which is better: zircon or cubic zirconia Created by nature, zircon is comparable in beauty to precious sapphires,

During the natural processes of formation of the earth's crust or rock formations, spherical cavities are formed. On

Blue aventurine is a rare stone whose surface shimmers in different colors. It resembles a starry sky

The stone pyrite, or as it is also called, “fool’s gold,” is now quite famous. It was opened

In the treatment of fractures in medicine, plaster casts are used to immobilize the limb, which is necessary for

History The “parents” of Petersite are considered to be the scientist Sid Peters and museum workers brothers Thomas and Joseph