Cinnabar

Real mineral · uncommon · HgS

Mercury sulfide and the primary ore of mercury. Its intense red colour made it valuable as a pigment. Deposits form around hot springs and volcanic vents. Handling requires caution due to mercury toxicity.

Identity

Formula

HgS

Chemical class

sulfide

Also known as

Dragon's blood (archaic), Mercury ore

Crystallography

Crystal system

trigonal

Habits

massive, granular, rhombohedral

Fracture

uneven

Physical properties

Mohs hardness

2.5

Density

8.19 g/cm³

Luster

adamantine, metallic

Colors

red, orange-red, dark red

Streak

red

Transparency

translucent, opaque

Geology

Origins

volcanic, hydrothermal

Host rocks

volcanic deposits, limestone

Associated minerals

Pyrite, Marcasite, Quartz, Calcite

Geography

Spain (Almadén), China, USA, Serbia, Peru

Classification

Rarity

uncommon

Gem quality

No

Arcane properties

Affinity

fire, death

Effects

necromancy, elemental fire

Planar origin

Material Plane

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