Sample and types

Hearing the word “gold”, a person imagines the classic yellow color, the noble sunshine. In the traditional view

Sample systems The precious metal content here is determined by the number of grams in one kilogram of jewelry alloy.

In nature, there is a hairy stone, which has a rather unusual appearance. And all because

Gilding of metal is a popular procedure that allows you to give various products the properties that a noble metal has.

Brief description of platinum Editorial team Promdevelop Platinum is a chemical element, metal (formula of platinum

Any topaz is a semi-precious stone. It was first discovered on an island called

Post updated: Sep 29, 2020 Most people have various computer gadgets at home that

Many things around are made from minerals and rocks mined from the depths of the earth. One

What kind of hallmark is this? On jewelry made before 1927, the 56th hallmark was

Mukaite is considered a rare but semi-precious stone that comes in many beautiful shades. He is the one