
Silver
ID: 23
Silver
Chemical Formula
Ag
Hardness (Mohs)
2.5 - 3
Crystal System
Isometric
Streak
Silver-white (bright, shiny)
Luster
Metallic
Diaphaneity
Opaque
Color
Silver-white, tarnishes to black
Crystal Habit / Mode of Occurrence
Isometric - Hexoctahedral; commonly in cubes, octahedra, dodecahedra (often distorted); more typically found as wires, arborescent (tree-like) growths, flakes, or massive.
Fun Facts
Silver has the highest electrical conductivity, thermal conductivity, and reflectivity of any metal. Common Uses: Jewelry, coinage, silverware, photography (historical), electronics (conductors), mirrors, solar panels, medical applications.