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.
Cleavage
Hardness	5
Density
Color	White to grayish. Transparent.
Streak
Luster	Vitreous.
Description
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.

If you have some questions, suggestions or comments you are welcome to write me a line or two.