Weddellite: Difference between revisions

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{{Infobox_Salt
{{Infobox_Salt
|Footnote            =<ref>http://www.mindat.org/min-4254.html viewed on 09/06/2011 </ref><ref>http://webmineral.com/data/Weddellite.shtml viewed on 09/06/2011</ref>
|Footnote            =<ref>http://www.mindat.org/min-4254.html viewed on 09/06/2011 </ref><ref>http://webmineral.com/data/Weddellite.shtml viewed on 09/06/2011</ref>
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|chemical_Formula      =Ca(C<sub>2</sub>O<sub>4</sub>)•2H<sub>2</sub>O
|chemical_Formula      =Ca(C<sub>2</sub>O<sub>4</sub>)•2H<sub>2</sub>O
|Hydratforms          =
|Hydratforms          =
|Crystal_SYstem       = tetragonal
|Crystal_System       = tetragonal
|Crystal_Structure    =
|Crystal_Structure    =
|Deliqueszenzhumidity =
|Deliqueszenzhumidity =
|Solubility          =
|Solubility          =
|Density              =2,02 g/cm³
|Density              =2.02 g/cm³
|MolVolume            =
|MolVolume            =
|Molweight            =164,13 g/mol
|Molweight            =164.13 g/mol
|Transparency        =
|Transparency        =
|Cleavage            =
|Cleavage            =
|Crystal_Habit        =
|Crystal_Habit        =
|Twinning            =
|Twinning            =
|Refractive_Indices  =n<sub>o</sub> = 1,523<br> n<sub>e</sub> = 1,544
|Refractive_Indices  =n<sub>o</sub> = 1.523<br> n<sub>e</sub> = 1.544
|Birefringence        =Δ = 0,021
|Birefringence        =Δ = 0.021
|optical_Orientation  =positive
|optical_Orientation  =positive
|Pleochroism          =
|Pleochroism          =
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|Phase_Transition    =
|Phase_Transition    =
|chemBehavior        =
|chemBehavior        =
|Comments            =
|Comments            =insoluble in water
|Literature          =
}}
}}


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==Weblinks==
==Weblinks==
<references/>
<references/>


[[Category:Weddelite]][[Category:Oxalate]][[Category:Salt]][[Category:InProgress]]
==Literature==
 
<biblist/>
 
[[Category:Weddelite]][[Category:Oxalate]][[Category:Salt]][[Category:InProgress]][[category:Organic_Salts]][[category:List]]

Latest revision as of 17:57, 15 February 2015

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Weddellite[1][2]
Oxalat Kristalle Musterplatte.jpg
Mineralogical name Weddellite
Chemical name Calcium oxalate dihydrate
Trivial name
Chemical formula Ca(C2O4)•2H2O
Other forms
Crystal system tetragonal
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³) 2.02 g/cm³
Molar volume
Molar weight 164.13 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments insoluble in water
Crystal Optics
Refractive Indices no = 1.523
ne = 1.544
Birefringence Δ = 0.021
Optical Orientation positive
Pleochroism
Dispersion
Used Literature



Weblinks[edit]

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