mineral
Gold
Gold (Au)
AI-generated identification · may be incorrectHardness is 2.5 on the Mohs scale, color is metallic yellow, luster is metallic, and crystal structure is cubic.
Identified More mineral →
Explore Gold in the encyclopedia →Identify your own rocks.
Get a report just like this from any photo, free.
Physical properties
Hardness is 2.5 on the Mohs scale, color is metallic yellow, luster is metallic, and crystal structure is cubic.
Formation & geological history
Formed through hydrothermal vein deposition and supernova nucleosynthesis, typically occurring in quartz veins and placer deposits.
Uses & applications
Used primarily in fine jewelry, electronics manufacturing, investment bullion, and dentistry.
Geological facts
Gold is extremely malleable and ductile; a single gram can be beaten into a sheet of one square meter.
Field identification & locations
Identified by its distinct yellow metallic color, high density, and refusal to tarnish or react with acids.
More like this
Other mineral specimens
Gneiss or Schist
Gneiss or Mica Schist with Garnet
Metamorphic
Limonite
FeO(OH)•nH2O
mineral
Limonite
FeO(OH)•nH2O
mineral
Sandstone (with potential mineral staining/concretions)
Arenite (SiO2 based)
sedimentary
Tumbled granite
Granite, a coarse-grained felsic intrusive igneous rock
igneous
Feldspar
Feldspar Group (Tectosilicate, e.g., KAlSi3O8)
mineral