Mineral description : Bergslagite

Bergslagite from Långban.
As a small white aggregate between the arrows.
I will add an UV picture later.

Mineral class Phosphates : Apatite group.
Chemical formula CaBe(AsO4)OH
Crystal system Monoclinic.
Habitus As grains or elongated crystals.
Hardness 5
Color White to grayish. Transparent.
Luster Vitreous.
Occurance In tilasite - hematite scarn.
Associates Berzeliite, Pyroxene, Calcite.
Notes Bright bluish gray fluorescens in shortwave UV.
Locations A rare mineral.
  • Långban, Värmland. As grains in calcite filled cavities in tilasite hematite scarn.

To phosphates index.
Mineral group index.
Main index.

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Last changed : 1998-08-22