Gems

History and origin Pearl is a stone of organic origin. It is not a mineral, from a point of view

Carborundum (silicon carbide) is a dense material of varying degrees of transparency obtained by joining

Description of artificial sapphire Synthetic sapphire is obtained artificially. This sapphire has an even color and

This figure shows the measured and visually assessed proportions that affect a round diamond. For

Post updated: May 28, 2020 If you ask what colors gold comes in, many will answer: white

Diamonds are a girl's best friend. What beauty wouldn't want to receive a birthday present?

What determines the value of a ruby? Types of rubies Deposit and color of the stone. The most expensive rubies

Historical background In its pure form, the stone is colorless aluminum oxide. But thanks

Gold products are expensive and exquisite jewelry that best emphasize status and position.

Red gold: sample, composition and method of production Gold is a soft metal, so when working