General Information:
Chemical Formula:
Au
Composition:
(Molecular Weight = 196.97 gm)
Gold 100.0 % Au
Empirical Formula:
Au
Environment:
Quartz veins and alluvial deposits.
Locality:
Sierra Nevada Mountains, Nome, Alaska and many other places in the world.
Name Origin:
Anglo Saxon, of uncertain origin.
Physical Properties:
Cleavage:
None
Color:
yellow, pale yellow, orange, yellow white, or reddish white.
Density:
16 - 19.3, Average = 17.64
Diaphaniety:
Opaque
Habits:
Arborescent - "Tree like" growths of branched systems (e.g. silver)., Platy - Sheet forms (e.g. micas)., Granular - Generally occurs as anhedral to subhedral crystals in matrix.
Hardness:
2.5-3 - Finger Nail-Calcite
Luminescence:
None.
Luster:
Metallic
Streak:
yellow
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