Sample and types

Purchasing a diamond? not worth on par with any other purchase. After all, this pebble can shine

Blue opal is a gemstone that is distinguished by its rich range of colors and beautiful tints of color. How

How to determine whether a ruby ​​is real or fake at home. This question is not uncommon

Talc is a mineral with the formula Mg3Si4O10(OH)2. Synonyms: agalite (fine-fiber), steatite, wen (dense, massive). Is

Gold accessories are considered the most popular jewelry in recent times. But the cost of this precious

Platinum group metals, or platinoids, are 6 precious chemical elements of a noble appearance. They

Surgical medical steel jewelry, also known as

Main characteristics Gold is not only a beautiful metal with many positive characteristics, but

It's amazing how the same stone can awaken very different intentions in a person.

Due to its natural physical and chemical characteristics, gold has found application in many areas: jewelry industry, chemical