Gold

No precious metal is as legendary and beautiful as Gold. Its rarity, beauty, and enigma have provided it with status as a valuable commodity throughout the history of humanity. Gold has always been used as a monetary standard, and ancient gold jewelry and ornaments dating back centuries have been found throughout the world. Gold has always been and remains the most essential jewelry component, with most precious jewelry pieces created from Gold or inlaid with a Gold setting.

Chemical Formula	Au
Color	Metallic, Yellow
Hardness	2.5Â -Â 3
Crystal System	Isometric
SG	15Â -Â 19
Transparency	Opaque
Double Refraction	None
Luster	Metallic
Cleavage	None
Mineral Class	Gold