Nesquehonite: Difference between revisions

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|Crystal_Structure    =
|Crystal_Structure    =
|Deliqueszenzhumidity =
|Deliqueszenzhumidity =
|Solubility          =1,79 g/l (16°C)
|Solubility          =1.79 g/l (16°C)
|Density              =1,83-1,85 g/cm³
|Density              =1.83-1.85 g/cm³
|MolVolume            =
|MolVolume            =
|Molweight            =138,37 g/mol
|Molweight            =138.37 g/mol
|Transparency        =transparent to translucent
|Transparency        =transparent to translucent
|Cleavage            =perfect to good
|Cleavage            =perfect to good
|Crystal_Habit        =
|Crystal_Habit        =
|Twinning            =
|Twinning            =
|Refractive_Indices  =n<sub>x</sub> = 1,417<br>n<sub>y </sub>= 1,503<br>n<sub>z</sub> = 1,527
|Refractive_Indices  =n<sub>x</sub> = 1.417<br>n<sub>y </sub>= 1.503<br>n<sub>z</sub> = 1.527
|Birefringence        =Δ = 0,110
|Birefringence        =Δ = 0.110
|optical_Orientation  =negative
|optical_Orientation  =negative
|Pleochroism          =
|Pleochroism          =

Revision as of 15:03, 20 December 2011

Nesquehonite[1][2]
Mineralogical name
Chemical name Magnesium carbonate trihydrate
Trivial name
Chemical formula MgCO3•3H2O
Other forms
Crystal system monoclinic
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C 1.79 g/l (16°C)
Density (g/cm³) 1.83-1.85 g/cm³
Molar volume
Molar weight 138.37 g/mol
Transparency transparent to translucent
Cleavage perfect to good
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments hardly soluble in water
pH about 10
Crystal Optics
Refractive Indices nx = 1.417
ny = 1.503
nz = 1.527
Birefringence Δ = 0.110
Optical Orientation negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}


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