Sample and types

Occurrence in nature The content of iridium in the earth's crust is negligible (10−7% by mass).

Post updated: May 25, 2020 Products made from gold alloys of different grades are used not only

White gold has a huge number of fans, and all because it has a noble and

Hello! Today is an interesting and educational topic. We talk about how to distinguish gold from fake.

Converting base metals such as lead into gold is indeed possible, but how much gold you

Hi all! Today's topic is how to distinguish silver from fake. It is a popular precious metal,

Gold is the most treacherous metal in world history. It pushed people to commit crimes, they gave up for it

Anyone who has purchased products made of precious metals at least once is familiar with the concept of “fineness”. This

Try asking your child what a tear is. Most likely, you will find that "tear

How much does an ounce of silver weigh in grams? Every person who decides inevitably faces this question.