Silver

**Formula:** Ag

**Atomic number:** 47

**International title:** Argentum

**Relative atomic mass:** 107,87 g/mol

**Mohs scale hardness:** 2

**Crystal system:** cubic system

**Cell:** Face centred cubic

**Crystal habit:** Wires, dendritic aggregates, coatings or solid masses.

**Information:** Silver is a metal with silver colour which darkens in contact with air to black, since it covers a layer of Ag₂S. It has excellent thermal and electrical conductivity.

**Use:** It is used in the photographic industry, electronics or jewellery.