Margarosanite Group
A group of related mineral species
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About Margarosanite Group
Formula:
ACa2(Si3O9) ?
A = Ca, Ba, Pb
This page provides mineralogical data about Margarosanite Group.
Unique Identifiers
Mindat ID:
55046
Long-form identifier:
mindat:1:1:55046:8
Chemistry of Margarosanite Group
Mindat Formula:
ACa2(Si3O9) ?
A = Ca, Ba, Pb
A = Ca, Ba, Pb
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) |
|---|---|---|---|---|---|---|---|
| 0018336 | Walstromite | Barkley M C, Downs R T, Yang H (2011) Structure of walstromite, BaCa2Si3O9, and its relationship to CaSiO3-walstromite and wollastonite-II American Mineralogist 96 797-801 | 2011 | Esquire No. 8 claim, Big Creek, Fresno County, California, U.S.A. | 0 | 293 | |
| 0007324 | Walstromite | Dorsam G, Liebscher A, Wunder B, Franz G, Gottschalk M (2009) Crystal structure refinement of synthetic Ca0.43Sr0.57[SiO3]-walstromite and walstromite-fluid Ca-Sr distribution at upper-mantle conditions European Journal of Mineralogy 21 705-714 | 2009 | synthetic | 0 | 293 | |
| 0014201 | Walstromite | Basciano L C (1999) Mineralogy and crystal structures of barium silicate minerals from Fresno County, California Master's Thesis, University of British Columbia 1999 1-164 | 1999 | Esquire #7, Big Creek, Fresno County, California, USA | 0 | 293 | |
| 0010672 | Margarosanite | Freed R L, Peacor D R (1969) Determination and refinement of the crystal structure of margarosanite, PbCa2Si3O9 Zeitschrift fur Kristallographie 128 213-228 |  | 1969 | Parker Shaft, North Mine Hill, Franklin, New Jersey, USA | 0 | 293 |
| 0011105 | Walstromite | Joswig W, Paulus E F, Winkler B, Milman V (2003) The crystal structure of CaSiO3-walstromite, a special isomorph of wollastonite-II Zeitschrift fur Kristallographie 218 811-818 | 2003 | 0 | 293 | ||
| 0000165 | Walstromite | Dent Glasser L S, Glasser F P (1968) The crystal structure of walstromite American Mineralogist 53 9-13 | | 1968 | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Margarosanite Group to other Species
Margarosanite Group Members:
| Anatolygurbanovite | SrCa2Si3O9 | Tric. 1 : P1 |
| Breyite | Ca3Si3O9 | Tric. 1 : P1 |
| Margarosanite | Ca2PbSi3O9 | Tric. 1 : P1 |
| Walstromite | BaCa2(Si3O9) | Tric. 1 : P1 |
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 Margarosanite Group
mindat.org URL:
https://www.mindat.org/min-55046.html
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References for Margarosanite Group
Reference List:
Localities for Margarosanite Group
Showing 38 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.
Franklin Mine, Franklin, Sussex County, New Jersey, USA