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Valuation Criteria Estimating the value of a natural ruby ​​depends on many factors. It is worth considering

The base of any steep cliff, no matter how monolithic it may look, is strewn with stones and rubble.

One of the “timeless” and desirable pieces of jewelry are women’s gold chains. They can be worn

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The most interesting facts about crystals Translated from Greek, the word “crystal” meant “ice”. However

There are places in Russia where everyone can engage in independent gold mining.

Jewelry with precious stones is not just a beautiful addition to your look. If you know

Feldspar is such a common group of minerals that it makes up almost half the mass of the earth.

Home Seafood Salads Sea Pearl Salad is an indescribably delicious dish from

Physical properties of gabbro The color is dark, dark green, black. The structure is coarse-grained, medium-grained. Texture is mottled, banded or