News

The color analysis, also called color harmony , or personal color analysis , Seasonal Color Analysis or skin tone matching , is a term often used in the...

Jewelry refers to both the set of techniques for working metals and precious stones to obtain ornaments, and ornamental objects made of...

Zircon is a mineral belonging to the nesosilicate group . Its chemical formula is ZrSiO 4 . The empirical formula showing a...

Not everyone knows this process...What is rhodium plating of a gold or silver jewel? What is it for and why is it...