Mercury

Real Metals · Uncommon · Timeless

The only metal that is liquid at room temperature. Mercury's strange properties (its weight, its fluidity, its silver brilliance) made it fascinating and mysterious to ancient cultures, who associated it with transformation, magic, and the planet of the same name.

Identity

Symbol
Hg
Atomic number
80
Source
Natural element
Aliases
Hydrargyrum, Hg, Quicksilver

Physical Properties

Appearance
Brilliant silver-white liquid at room temperature, uniquely fluid and reflective
Luster
Metallic
Density
13.53 g/cm³
Melting point
-39 °C
Boiling point
357 °C
Lighter
Gromril
Denser
Ebony
Magnetism
Non-magnetic
Electrical conductivity
Medium

Mechanical Properties

Mohs hardness
0
Harder
Lead
Workability
Easy
Brittleness
Tough
Malleability
None
Ductility
None

Chemical Properties

Corrosion resistance
high
Reactivity
low

Lore & Narrative

Chinese emperor Qin Shi Huang was buried in a tomb reportedly featuring rivers of flowing mercury representing the seas of China. He likely died from mercury poisoning after consuming mercury-laced elixirs his alchemists promised would grant immortality.

Notable uses
Thermometers, barometers, gold extraction, alchemical processes
Forge uses
alchemical, measurement instruments
Worldbuilding traits
liquid, toxic, alchemical, transformative

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