Ettringite: Difference between revisions
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[[Category:Ettringite]] | {{Infobox_Salt | ||
|Footnote = <ref>http://webmineral.com/data/Ettringite.shtml viewed on 29/07/2010</ref><ref> | |||
http://www.mindat.org/min-1414.html viewed on 29/07/2010</ref> | |||
|photo = <!-- [[Image:"file name"|300px]]--> | |||
|mineralogical_Name = Ettringite | |||
|chemical_Name = Calcium aluminium sulfate hydrate | |||
|Trivial_Name = | |||
|chemical_Formula = Ca<sub>6</sub>Al<sub>2</sub>(SO<sub>4</sub>)<sub>3</sub>(OH)<sub>12</sub>•26H<sub>2</sub>O | |||
|Hydratforms = | |||
|Crystal_System = hexagonal | |||
|Crystal_Structure = | |||
|Deliqueszenzhumidity = | |||
|Solubility = | |||
|Density = 1.8 g/cm<sup>3</sup> | |||
|MolVolume = | |||
|Molweight = 1255.11 g/mol | |||
|Transparency = transparent | |||
|Cleavage = perfect | |||
|Crystal_Habit = | |||
|Twinning = | |||
|Refractive_Indices = n<sub>o</sub> = 1.491<br>n<sub>e</sub> = 1.470 | |||
|Birefringence = Δ = 0.021 | |||
|optical_Orientation = negative | |||
|Pleochroism = | |||
|Dispersion = | |||
|Phase_Transition = | |||
|chemBehavior = | |||
|Comments = insoluble in water | |||
|Literature = | |||
}} | |||
back to [[Sulfate]] | |||
==Weblinks== | |||
<references/> | |||
==Literature== | |||
<biblist/> | |||
[[Category:Ettringite]][[Category:Sulphate]][[Category:Salt]][[Category:InProgress]][[Category:Sulfate]][[Category:List]] | |||
Latest revision as of 16:54, 14 February 2015
| Ettringite[1][2] | |
| Mineralogical name | Ettringite |
| Chemical name | Calcium aluminium sulfate hydrate |
| Trivial name | |
| Chemical formula | Ca6Al2(SO4)3(OH)12•26H2O |
| Other forms | |
| Crystal system | hexagonal |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | 1.8 g/cm3 |
| Molar volume | |
| Molar weight | 1255.11 g/mol |
| Transparency | transparent |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | insoluble in water |
| Crystal Optics | |
| Refractive Indices | no = 1.491 ne = 1.470 |
| Birefringence | Δ = 0.021 |
| Optical Orientation | negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
back to Sulfate
Weblinks[edit]
- ↑ http://webmineral.com/data/Ettringite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-1414.html viewed on 29/07/2010
Literature[edit]
There were no citations found in the article.