Magnesite/serpentine deposit.
Years after the magnesite mining ended, serpentinite (partly intergrown with reddish magnesite) was taken from the dumps and used as decorative stones, in tables, etc.
References:
- Jøsang, Ottar (1966): Geologiske og petrologiske undersøkelser i Modumfeltet. Norges Geologiske Undersøkelse nr 235, 91-97
- Raade, G. (1975): Althausite, a new mineral from Modum, Norway. LITHOS 8, 215-219
- Raade, G. & Mladeck, M. H. (1979): Holtedahlite, a new magnesium phospate from Modum, Norway. LITHOS 12, 283-287
- Rømming, C. & Raade, G. (1980): The crystal structure of Althausite. American Mineralogist, 65, 488-498
- Raade, G., Mladeck, M. H. & Din, V.K. (1986): Heneuite, CaMg5(CO3)(PO4)3(OH), a new mineral from Modum, Norway. N. Jb. Miner. Mh. H. 8, 343-350
- Rømming, C. & Raade, G. (1989): The crystal structure of natural and synthetic Holtedahlite. Mineralogy and Petrology 40: 91-100
- Raade, G. (1999): Et unikt mineralselskap av magnesiumfosfater fra magnesitt-serpentin-forekomster på Modum. Bergverksmuseets Skrift nr 15, 10-14 [in norwegian]
- Kristiansen, R. (2001): Raadeitt- enda et nytt magnesiumfosfat fra Modum. STEIN 28 (4), 6-7
- Larsen, K.E. (2007): Mineralportrettet: Althausitt Mg2(PO4)(OH,F,O). STEIN 34 (4), 28
Mineral List:20 entries listed. 17 valid minerals. 4 type localities (valid minerals).
The above list contains all mineral locality references listed on mindat.org. This does not claim to be a complete list. If you know of more minerals from this site, please register so you can add to our database!
