Mineral description : Cinnober

Cinnober from Almadén, Ciudad Réal, Spain.

Mineral class	Sulphides : cinnober group
Chemical formula	HgS
Crystal system
Habitus	As earthy to grainy masses and coatings.
Cleavage
Hardness	2-2.5
Density
Color	Red.
Streak	Red.
Luster
Description	Used as a mercury ore.
Occurance
Associates	Mercury, amalgam.
Notes
Locations	A rare mineral in Sweden. Sala silver mine, Västmanland. Found when mining sphalerite with other mercury minerals. As coatings on dark gray serpentine in dolomite (Juthyllsgruvan at 70m, Fogelburen at 90-100m). Also reported as coatings on calcite (in Vice Presidenten). (See GFF 20:21)

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