Ettringite Group
A group of related mineral species
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About Ettringite Group
A group of complex Ca-metal-oxysalts involving sulphate, carbonate, borate, silicate and germanate anions.
Unique Identifiers
Mindat ID:
29289
Long-form identifier:
mindat:1:1:29289:2
GUID
(UUID V4):
(UUID V4):
aeb057c3-1b03-4d06-8e10-bc8f9d7d63b0
Pronunciation of Ettringite Group
Pronunciation:
Play | Recorded by | Country |
---|---|---|
Jolyon Ralph | United Kingdom |
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) |
---|---|---|---|---|---|---|---|
0020840 | Ettringite | Gatta G D, Halenius U, Bosi F, Canadillas-Delgado L, Fernandez-Diaz M T (2019) Minerals in cement chemistry: A single-crystal neutron diffraction study of ettringite, Ca6Al2(SO4)3(OH)12?27H2O American Mineralogist 104 73-78 | 2019 | NChwaning mine, Kuruman, South Africa | 0 | 293 | |
0009368 | Ettringite | Moore A E, Taylor H F W (1970) Crystal structure of ettringite Acta Crystallographica B26 386-393 | 1970 | Scawt Hill, Northern Ireland | 0 | 293 | |
0012178 | Ettringite | Hartman M R, Berliner R (2006) Investigation of the structure of ettringite by time-of-flight neutron powder diffraction techniques Cement and Concrete Research 36 364-370 | 2006 | synthetic | 0 | 293 | |
0014674 | Ettringite | Moore A, Taylor H F W (1968) Crystal structure of ettringite Nature 218 1048-1049 | 1968 | Scawt Hill, Northern Ireland | 0 | 293 | |
0017886 | Ettringite | Goetz-Neunhoeffer F, Neubauer J (2006) Refined ettringite (Ca6Al2(SO4)3(OH)12*26H2O) structure for quantitative X-ray diffraction analysis Powder Diffraction 21 4-11 | 2006 | synthetic | 0 | 293 | |
0009362 | Jouravskite | Granger M M, Protas J (1969) Determination et etude de la structure cristalline de la jouravskite Ca3MnIV(SO4)(CO3)(OH)*12(H2O) Acta Crystallographica B25 1943-1951 | 1969 | Tachgagalt mine, Morocco | 0 | 293 | |
0019078 | Thaumasite | Gatta G D, McIntyre G J, Swanson J G, Jacobsen S D (2012) Minerals in cement chemistry: A single-crystal neutron diffraction and Raman spectroscopic study of thaumasite, Ca3Si(OH)6(CO3)(SO4)*12H2O American Mineralogist 97 1060-1069 | 2012 | synthetic | 0 | 301 | |
0019079 | Thaumasite | Gatta G D, McIntyre G J, Swanson J G, Jacobsen S D (2012) Minerals in cement chemistry: A single-crystal neutron diffraction and Raman spectroscopic study of thaumasite, Ca3Si(OH)6(CO3)(SO4)*12H2O American Mineralogist 97 1060-1069 | 2012 | synthetic | 0 | 22.5 | |
0008763 | Thaumasite | Jacobsen S D, Smyth J R, Swope R J (2003) Thermal expansion of hydrated six-coordinated silicon in thaumasite, Ca3Si(OH)6(CO3)(SO4).12H2O Physics and Chemistry of Minerals 30 321-329 | 2003 | unknown | 0 | 293 | |
0008764 | Thaumasite | Jacobsen S D, Smyth J R, Swope R J (2003) Thermal expansion of hydrated six-coordinated silicon in thaumasite, Ca3Si(OH)6(CO3)(SO4).12H2O Physics and Chemistry of Minerals 30 321-329 | 2003 | unknown | 0 | 293 | |
0009048 | Thaumasite | Martucci A, Cruciani G (2006) In situ time resolved synchrotron powder diffraction study of thaumasite Physics and Chemistry of Minerals 33 723-731 | 2006 | 0 | 293 | ||
0009049 | Thaumasite | Martucci A, Cruciani G (2006) In situ time resolved synchrotron powder diffraction study of thaumasite Physics and Chemistry of Minerals 33 723-731 | 2006 | 0 | 293 | ||
0002736 | Carraraite | Merlino S, Orlandi P (2001) Carraraite and zaccagnaite, two new minerals from the Carrara marble quarries: their chemical compositions, physical properties and structural features American Mineralogist 86 1293-1301 | 2001 | 0 | 293 | ||
0019043 | Kottenheimite | Chukanov N V, Britvin S N, Van K V, Mockel S, Zadov A E (2012) Kottenheimite, Ca3Si(OH)6(SO4)2*12H2O, a new member of the ettringite group from the Eifel area, Germany Rhineland-Palatinate, Germany The Canadian Mineralogist 50 55-63 | 2012 | Bellerberg, near Kottenheim, Eastern Eifel area, | 0 | 293 |
CIF Raw Data - click here to close
Relationship of Ettringite Group to other Species
Group Members:
Bentorite | Ca6Cr2(SO4)3(OH)12 · 26H2O | Trig. 3m : P3 1c |
Buryatite | Ca3(Si,Fe3+,Al)(SO4)B(OH)4(OH,O)6 · 12H2O | Trig. 3m : P3 1c |
Carraraite | Ca3(SO4)[Ge(OH)6](CO3) · 12H2O | Hex. |
Charlesite | Ca6(Al,Si)2(SO4)2[B(OH)4](OH,O)12 · 26H2O | Trig. 3m : P3 1c |
Chiyokoite | Ca3Si(CO3)[B(OH)4]O (OH)5 · 12H2O | Hex. 6 : P63 |
Ettringite | Ca6Al2(SO4)3(OH)12 · 26H2O | Trig. 3m : P3 1c |
Hielscherite | Ca3Si(SO4)(SO3)(OH)6 · 11H2O | Hex. 6 : P63 |
Imayoshiite | Ca3Al(CO3)[B(OH)4](OH)6 · 12H2O | Hex. 6 : P63 |
Jouravskite | Ca3Mn4+(SO4)(CO3)(OH)6 · 12H2O | Hex. 6 : P63 |
Kottenheimite | Ca 3Si(SO4)2(OH)6 · 12H2O | Hex. 6/m : P63/m |
Micheelsenite | (Ca2Y)Al(PO3OH)(CO3)(OH)6 · 12H2O | Hex. 6 : P63 |
Siwaqaite | Ca6Al2(CrO4)3(OH)12 · 26H2O | Trig. 3m : P3 1c |
Sturmanite | Ca6Fe3+2(SO4)2.5[B(OH)4](OH)12 · 25H2O | Trig. 3m : P3 1c |
Tatarinovite | Ca3Al(SO4)[B(OH)4](OH)6 · 12H2O | Hex. 6 : P63 |
Thaumasite | Ca3(SO4)[Si(OH)6](CO3) · 12H2O | Hex. 6 : P63 |
UM2008-07-CO:AlBCaHSSi | Ca6(Al,Si)2(CO3,SO4)2[B(OH)4](OH,O)12 · 26H2O | |
Unnamed (possible Mn(IV) analogue of Sturmanite) | Ca6Mn4+2(SO4)2[B(OH)4](OH)10O2 · nH2O |
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 Ettringite Group
mindat.org URL:
https://www.mindat.org/min-29289.html
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References for Ettringite Group
Reference List:
Localities for Ettringite Group
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).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Caspar quarry, Ettringen, Vordereifel, Mayen-Koblenz, Rhineland-Palatinate, Germany