Hydromagnesite: Difference between revisions

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{{Infobox_Salt
{{Infobox_Salt
|Footnote            =
|Footnote            =<ref>http://webmineral.com/data/Hydromagnesite.shtml viewed on 09/07/2011</ref><ref>http://www.mindat.org/min-1979.html viewed on 09/06/2011</ref>
|photo                = [[Image:"file name"|300px]]
|photo                = <!-- [[Image:"file name"|300px]]-->
|mineralogical_Name  =
|mineralogical_Name  =Hydromagnesite
|chemical_Name        =
|chemical_Name        =Magnesium hydroxocarbonate
|Trivial_Name        =
|Trivial_Name        =
|chemicalFormula     =
|chemical_Formula     =Mg<sub>5</sub>(OH)<sub>2</sub>(CO<sub>3</sub>)<sub>4</sub>•4H<sub>2</sub>O
|Hydratforms          =
|Hydratforms          =
|Crystal_Class        =
|Crystal_Class        =monoclinic
|Deliqueszenzhumidity =
|Deliqueszenzhumidity =
|Solubility          =
|Solubility          =
|Density              =
|Density              =2.236 g/cm<sup>3</sup>
|MolVolume            =
|MolVolume            =
|Molweight            =
|Molweight            =467,5 g/mol
|Transparency        =
|Transparency        =transparent
|Cleavage            =
|Cleavage            =perfect
|Crystal_Habit        =
|Crystal_Habit        =
|Twinning            =
|Twinning            =
|Refractive_Indices  =
|Refractive_Indices  =n<sub>x</sub> = 1,515-1,523<br>n<sub>y</sub> = 1,530-1,527<br>n<sub>z</sub> = 1,544-1,545
|Birefringence        =
|Birefringence        =Δ = 0,029-0,022
|optical_Orientation  =
|optical_Orientation  =biaxial positive
|Pleochroism          =
|Pleochroism          =
|Dispersion          =
|Dispersion          =
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back to [[Carbonate]]
back to [[Carbonate]]
==Weblinks==
<references/>
[[Category:Hydromagnesite]][[Category:Carbonate]][[Category:Salt]][[Category:InProgress]]
[[Category:Hydromagnesite]][[Category:Carbonate]][[Category:Salt]][[Category:InProgress]]

Revision as of 17:39, 9 June 2011

Hydromagnesite[1][2]
Mineralogical name Hydromagnesite
Chemical name Magnesium hydroxocarbonate
Trivial name
Chemical formula Mg5(OH)2(CO3)4•4H2O
Other forms
Crystal system {{{Crystal_System}}}
Crystal structure {{{Crystal_Structure}}}
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³) 2.236 g/cm3
Molar volume
Molar weight 467,5 g/mol
Transparency transparent
Cleavage perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices nx = 1,515-1,523
ny = 1,530-1,527
nz = 1,544-1,545
Birefringence Δ = 0,029-0,022
Optical Orientation biaxial positive
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


back to Carbonate

Weblinks[edit]