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Brandtite Group
A group of related mineral species
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About Brandtite Group
Member of:
This page provides mineralogical data about Brandtite Group.
Unique Identifiers
Mindat ID:
471248
Long-form identifier:
mindat:1:1:471248:6
Crystal Structure
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
| ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
|---|---|---|---|---|---|---|---|
| 0006117 | Brandtite | Herwig S, Hawthorne F C (2006) The topology of hydrogen bonding in brandtite, collinsite and fairfieldite The Canadian Mineralogist 44 1181-1196 |  | 2006 | Harstig mine, Harstigen, Sweden | 0 | 293 |
| 0012042 | Brandtite | Dahlman B (1952) The crystal structures of krohnkite, CuNa2(SO4)2*2H2O and brandtite, MnCa2(AsO4)2*2H2O Arkiv for Mineralogi och Geologi 1 339-366 | 1952 | Harstigen mine, Sweden | 0 | 293 | |
| 0005135 | Roselite | Hawthorne F C, Ferguson R B (1977) The crystal structure of roselite The Canadian Mineralogist 15 36-42 | | 1977 | 0 | 293 | |
| 0007158 | Wendwilsonite | Kolitsch U, Fleck M (2006) Third update on compounds with krohnkite-type chains: the crystal structure of wendwilsonite [Ca2Mg(AsO4)2*2H2O] and the new triclinic structure types of synthetic AgSc(CrO4)2*2H2O and M2Cu(Cr2O7)2*2H2O (M = Rb, Cs) European Journal of Mineralogy 18 471-482 | 2006 | Schneeberg, Saxony, Germany | 0 | 293 | |
| 0007062 | Zincroselite | Keller P, Lissner F, Schleid T (2004) The crystal structures of zincroselite and gaitite: Two natural polymorphs of Ca2Zn[AsO4]2*2H2O from Tsumeb, Namibia European Journal of Mineralogy 16 353-359 | 2004 | Tsumeb, Namibia | 0 | 293 | |
| 0018388 | Rruffite | Yang H, Jenkins R A, Downs R T, Evans S H, Tait K T (2011) Rruffite, Ca2Cu(AsO4)2*2H2O, a new member of the roselite group, from Tierra Amarilla, Chile The Canadian Mineralogist 49 877-884 | 2011 | the Maria Catalina mine, Tierra Amarilla, Chile | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Brandtite Group to other Species
Member of:
Other Members of Kröhnkite Supergroup:
| Collinsite Group | ||
| Dondoellite | Ca2Fe(PO4)2 · 2H2O | Tric. 1 : P1 |
| Fairfieldite Group | A group of triclinic phosphates. | Tric. |
Brandtite Group Members:
| Brandtite | Ca2Mn2+(AsO4)2 · 2H2O | Mon. 2/m : P21/b |
| Dobƥinåite | Ca2Ca(AsO4)2 · 2H2O | Mon. 2/m : P21/b |
| Kröhnkite | Na2Cu(SO4)2 · 2H2O | Mon. 2/m : P21/b |
| Roselite | Ca2Co(AsO4)2 · 2H2O | Mon. 2/m : P21/b |
| Rruffite | Ca2Cu(AsO4)2 · 2H2O | Mon. 2/m : P21/b |
| Wendwilsonite | Ca2Mg(AsO4)2 · 2H2O | Mon. 2/m : P21/b |
| Zincroselite | Ca2Zn(AsO4)2 · 2H2O | Mon. 2/m : P21/b |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Brandtite Group
mindat.org URL:
https://www.mindat.org/min-471248.html
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References for Brandtite Group
Localities for Brandtite Group
symbol to view information about a locality.
The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
â - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
All localities listed without proper references should be considered as questionable.
Argentina | |
| [Kröhnkite] Sureda (1978) |
Australia | |
| [Kröhnkite] Birch et al. (1997) |
| [Roselite] S. Mills XRD data |
| [Kröhnkite] Harris et al. (2003) |
| [Roselite] Jack Leach collection & Museum of ... |
| [Kröhnkite] Simpson Mineral Collection of the ... +1 other reference |
Austria | |
| [Kröhnkite] 50. +1 other reference |
| [Brandtite] Kolitsch et al. (2019) |
| [Brandtite] Kolitsch et al. (2018) |
| [Brandtite] Kolitsch et al. (2017) |
Azerbaijan | |
| [Roselite] Pekov et al. (2001) |
Canada | |
| [Roselite] Mauthner et al. (1996) |
Chile | |
| [Kröhnkite] e-rocks.com (2022) |
| [Kröhnkite] SEM-EDS by Igor V. Pekov |
| [Kröhnkite] samples analysed by Dr. Tony Kampf | |
| [Kröhnkite] [www.ontariominerals.com] |
| [Kröhnkite] M.Dini & A.Molina collection | |
| [Kröhnkite] Samples analysed by Dr. Jochen SchlĂŒter (Hamburg University) +1 other reference | |
| [Kröhnkite] Palache et al. (1908) +5 other references |
| [Kröhnkite] Palache et al. (1951) |
| [Kröhnkite] British Natural History Museum online ... | |
| [Kröhnkite] Palache et al. (1951) | |
| [Brandtite] "CuadrĂĄngulo Quebrada Paipote" +3 other references |
| [Brandtite] "CuadrĂĄngulo Los Loros" +3 other references | |
| [Rruffite] Samples analysed by Dr. Anthony Kampf +2 other references |
| [Rruffite] Yang et al. (2011) | |
| [Brandtite] maurizio dini collection - quantitative ... | |
| [Kröhnkite] Saric (1978) |
| [Wendwilsonite] samples analysed by Anthony Kampf |
| [Kröhnkite] Sulphides analysed by geology dep. of ... +1 other reference |
China | |
| [Kröhnkite] Yingxia Xu et al. (2008) |
Czech Republic | |
| [Brandtite] Kohout et al. (1995) +1 other reference |
France | |
| [Brandtite] Forner et al. (1997) |
| [Brandtite] PĂ©lisson et al. (1987) |
| [Kröhnkite] Favreau et al. (2024) |
| [Kröhnkite] Favreau et al. (2024) | |
Germany | |
| [Roselite] |
| [Roselite] Wittern (2001) |
| [Brandtite] Lorenz (1991) +2 other references |
| [Roselite] M Kampf collection |
| [Roselite] WeiĂ (1990) |
| [Roselite] WeiĂ (1990) | |
| [Roselite] WeiĂ (1990) |
| [Wendwilsonite] 81-82 +2 other references |
| [Roselite] Palache et al. (1951) | |
| [Roselite] Massanek et al. (2005) | |
| [Roselite] Palache et al. (1951) | |
| [Roselite] Lapis 30 (7/8) | |
| [Roselite] Palache et al. (1951) +1 other reference | |
| [Roselite] Lapis 30 (7/8) | |
Greece | |
| [Brandtite] Kolitsch et al. (2014) |
| [Kröhnkite] |
| [Kröhnkite] Rieck (n.d.) | |
Hungary | |
| [Kröhnkite] |
| [Kröhnkite] Koch (1985) |
Iceland | |
| [Kröhnkite] BaliÄ-ĆœuniÄ et al. (2016) |
| [Kröhnkite] BaliÄ-ĆœuniÄ et al. (2024) | |
Iran | |
| [Roselite] Bariand et al. (1993) |
Italy | |
| [Kröhnkite] Balassone et al. (2019) |
| [Kröhnkite] Pellino et al. (2025) | |
| [Brandtite] Castellaro et al. (2021) |
| [Brandtite] Balestra (2016) |
| [Brandtite] Balestra et al. (UK report) |
| [Brandtite] Piccoli et al. (2007) |
| [Kröhnkite] Quagliarella (1966) |
Japan | |
| [Brandtite] R. Marumoto collection +2 other references |
Kazakhstan | |
| [Brandtite] Evseev (1995) |
| [Brandtite] Frank Dzubeck |
Mexico | |
| [Wendwilsonite] Dunn et al. (1987) | |
Morocco | |
| [Wendwilsonite] Dunn et al. (1987) |
| [Roselite] Fabre Minerals |
| [Roselite] Favreau et al. (2006) |
| [Roselite] Favreau et al. (2006) | |
| [Roselite] JP Barral collection +1 other reference | |
| [Roselite] Favreau (n.d.) |
| [Roselite] Favreau (n.d.) | |
| [Roselite] Favreau et al. (2006) | |
| [Dobƥinåite] Gerhard Möhn Collection Analyzed by ... |
| [Roselite] M Kampf collection |
| [Roselite] Richard D. Green |
Namibia | |
| [Zincroselite] Keller et al. (1986) +2 other references |
Poland | |
| [Kröhnkite] Ćukasz Kruszewski PXRD & EPMA data (2019) |
| [Kröhnkite] Cu +2 other references |
Romania | |
| [Kröhnkite] Onac +4 other references |
Slovakia | |
| [DobĆĄinĂĄite] Sejkora et al. (2021) +1 other reference |
| [Brandtite] Martin Ć tevko & Pavol MyĆĄÄŸan +1 other reference |
South Africa | |
| [Brandtite] - (1991) |
Spain | |
| [Kröhnkite] Calvo Rebollar et al. (2022) |
| [Roselite] Calvo Rebollar et al. (2022) |
| [Rruffite] MineralogĂa de la concesiĂłn San Rafael |
| [Rruffite] issuu.com (n.d.) +1 other reference |
| [Rruffite] issuu.com (n.d.) +1 other reference | |
Sweden | |
| [Brandtite] Holtstam et al. (1999) +1 other reference |
| [Brandtite] Langhof (2003) | |
| [Brandtite] NRM collection # 250111 +1 other reference | |
| [Brandtite] Lindström (1891) +3 other references |
| [Brandtite] Nysten (2020) |
Switzerland | |
| [Brandtite] Geiger (1948) |
UK | |
| [Kröhnkite] Golley et al. (1995) |
| [Brandtite] |
USA | |
| [Kröhnkite] Luetcke (n.d.) |
| [Kröhnkite] Schaller (1903) +3 other references |
| [Kröhnkite] Committee et al. (1989) | |
| [Brandtite] Palache et al. (1951) +3 other references |
| [Kröhnkite] Plåƥil et al. (2013) |
| [Kröhnkite] Dietrich (1990) |
Fuchs Quarry, Hartkoppe, Sailauf, Aschaffenburg District, Lower Franconia, Bavaria, Germany