Bergslagite from
Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

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Bergslagite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite, etc.

Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Classification
Locality type:	Mine
Species:	Bergslagite
Formula:	CaBeAsO₄(OH)
Colour:	grey
Confirmation
Validity:	Valid - Type Locality
Associated Minerals Based on Photo Data:
Hematite	10
Tilasite	5
Calcite	4
Svabite	2
Berzeliite	2
Data
Mineral Data:	Click here to view Bergslagite data
Locality Data:	Click here to view Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden
Photo Gallery	View Gallery (10 photos)
Data Identifiers
Mindat Occurrence Record ID:	1851
Long-form Identifier:	1:3:1851:7
GUID (UUID V4):	0
References
*Hansen, S., Fälth, L., Petersen, O. V., Johnson, O. (1984) Bergslagite, a new mineral species from Långban, Sweden. Neues Jahrbuch für Mineralogie - Monatshefte, 1984. 257-262* Hansen, Staffan, Fälth, Lars, Johnsen, Ole (1984) Bergslagite, a mineral with tetrahedral berylloarsenate sheet anions. Zeitschrift für Kristallographie - Crystalline Materials, 166 (14). 73-80 doi:10.1524/zkri.1984.166.14.73 *Holtstam, Dan, Langhof, Jörgen - Eds.* (1999) Långban - The mines, their minerals, geology and explorers. Raster Förlag; Swedish Museum of Natural History, Stockholm. p.1-216.** Shagova, Anastasiia K.; Gorelova, Liudmila A.; Vereshchagin, Oleg S.; Pankin, Dmitrii V.; Kasatkin, Anatoly V. (2025) Thermal stability, low- and high-temperature behavior of bergslagite, a berylloarsenate member of the gadolinite supergroup. Physics and Chemistry of Minerals, 52 (1). p.8. doi:10.1007/s00269-025-01311-1(using a crystal from Langban)

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Bergslagite from Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden

Bergslagite from
Långban Mine, Långban Ore District, Filipstad, Värmland County, Sweden