Mineral description : Arsenic

Arsenic, unknown locality.

Mineral class	Elements : Arsenic-bismuth group
Chemical formula	As
Crystal system
Habitus	Often as shell or ball formed aggregates.
Cleavage
Hardness	3-3.5
Density	5.7-5.9
Color	Tin white, often with gray-black tarnish.
Streak	Black
Luster
Description
Occurance
Associates
Notes
Locations	Långban, Värmland. As rarity in cracks in hematite. Boliden and Lindström mines, Västerbotten.

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