Ferro-actinolite from Bergslagen mining district, Sweden
Sweden | |
| Damman, A. H., Lustenhouwer, W. J. (1992) Manganese-rich calcic amphiboles of the tremolite-ferro-actinolite series. Mineralogical Magazine, 56 (384) 391-398 doi:10.1180/minmag.1992.056.384.12 |
| Holtstam, Dan, Langhof, Jörgen - Eds. (1999) LÄngban - The mines, their minerals, geology and explorers. Raster Förlag; Swedish Museum of Natural History, Stockholm. p.1-216. Gatedal, Kjell (n.d.) Personal Communication. |
| Gatedal, Kjell (n.d.) Personal Communication. |
LĂ„ngban Mine, LĂ„ngban Ore District, Filipstad, VĂ€rmland County, Sweden