Roscherite Group
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About Roscherite Group
Group of complex monoclinic or triclinic metal-beryllium phosphates (and one arsenate).
Crystal aggregates are often zoned.
Crystal aggregates are often zoned.
Unique Identifiers
Mindat ID:
39378
Long-form identifier:
mindat:1:1:39378:4
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) |
|---|---|---|---|---|---|---|---|
| 0012416 | Zanazziite | Rastsvetaeva R K, Rozenberg K A, Chukanov N V, Mockel S (2009) The crystal structure of an iron-rich variety of zanazziite belonging to heteropolyhedral framework roscherite-group beryllophosphates Crystallography Reports 54 568-571 | 2009 | Sapucaia mine, Minas Gerais, Brazil | 0 | 293 | |
| 0019973 | Atencioite | Rastsvetaeva R K, Barinova A V, Chukanov N V, Pietraszko A (2004) Crystal structure of a magnesium-rich triclinic analogue of greifensteinite Doklady Chemistry 398 191-195 | 2004 | Galileia, Minas Gerais, Brazil | 0 | 293 | |
| 0019974 | Greifensteinite | Barinova A V, Rastsvetaeva R K, Chukanov N V, Pietraszko A (2004) Refinement of the crystal structure of Zn-containing greifensteinite Crystallography Reports 49 942-945 | 2004 | Pirineus mine, Minas Gerais, Brazil | 0 | 293 | |
| 0012508 | Greifensteinite | Rastsvetaeva R K, Gurbanova O A, Chukanov N V (2002) Crystal structure of greifensteinite Ca2Be4(Fe2+,Mn)5(PO4)6(OH)4*6H2O Doklady Chemistry 383 78-81 | 2002 | Greifenstein, Saxony, Germany | 0 | 293 | |
| 0015664 | Roscherite | Fanfani L, Zanazzi P F, Zanzari A R (1977) The crystal structure of a triclinic roscherite Tschermaks Mineralogische und Petrographische Mitteilungen 24 169-178 | 1977 | Foote Mine, North Carolina, USA | 0 | 293 | |
| 0015658 | Zanazziite | Fanfani L, Nunzi A, Zananni P F, Zanzari A R (1975) The crystal structure of roscherite Tschermaks Mineralogische und Petrographische Mitteilungen 22 266-277 | 1975 | Lavra da Ilha, Taquaral, Minas Gerais, Brazil | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Roscherite Group to other Species
Roscherite Group Members:
| Atencioite | Ca2Fe2+3Mg2Be4(PO4)6(OH)4 · 6H2O | Tric. 1 : P1 |
| Footemineite | Ca2Mn2+Mn2+2Mn2+2Be4(PO4)6(OH)4 · 6H2O | Tric. 1 : P1 |
| Greifensteinite | Ca2Fe2+5Be4(PO4)6(OH)4 · 6H2O | Mon. 2/m : B2/b |
| Guimarãesite | Ca2Be4Zn5(PO4)6(OH)4 · 6H2O | Mon. 2/m : B2/b |
| Okruschite | Ca2Mn2+5Be4(AsO4)6(OH)4 · 6H2O | Mon. 2/m : B2/b |
| Roscherite | Ca2Mn2+5Be4(PO4)6(OH)4 · 6H2O | Mon. 2/m : B2/m |
| Ruifrancoite | Ca2(◻,Mn)2(Fe3+,Mn,Mg)4Be4(PO4)6(OH)4(OH,H2O)2 · 4H2O | Mon. 2/m : B2/b |
| Zanazziite | Ca2Mg5Be4(PO4)6(OH)4 · 6H2O | Mon. 2/m : B2/b |
Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.
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 Roscherite Group
mindat.org URL:
https://www.mindat.org/min-39378.html
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References for Roscherite Group
Localities for Roscherite Group
Showing 113 localities.
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The Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - 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.
Tip Top Mine, Fourmile, Custer Mining District, Custer County, South Dakota, USA