Revision as of 15:56, 20 December 2011

Nitronatrite^[1]^[2]

Mineralogical name	Sodium Nitrate
Chemical name	Natriumnitrat
Trivial name	Nitratine, Nitratite, Soda Niter, Cubic Niter
Chemical formula	NaNO₃
Other forms
Crystal system	trigonal
Crystal structure
Deliquescence humidity 20°C	77.5% (10°C), 75.2% (20°C), 74.3% (25°C)
Solubility (g/l) at 20°C	880 g/l
Density (g/cm³)	2.24-2.29 g/cm³
Molar volume	37.6 cm³/mol
Molar weight	85 g/mol
Transparency	transparent
Cleavage	perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	n_o = 1.587 n_e = 1.336
Birefringence	Δ = 0.251
Optical Orientation
Pleochroism
Dispersion
Used Literature
{{{Literature}}}

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Under the polarising microscope[edit]

@@ Line 9: / Line 9: @@
 |Crystal_System       =trigonal
 |Crystal_Structure    =
-|Deliqueszenzhumidity =77,5% (10°C), 75,2% (20°C), 74,3% (25°C)
+|Deliqueszenzhumidity =77.5% (10°C), 75.2% (20°C), 74.3% (25°C)
 |Solubility           = 880 g/l
-|Density              =2,24-2,29 g/cm<sup>3</sup>
+|Density              =2.24-2.29 g/cm<sup>3</sup>
-|MolVolume            =37,6 cm<sup>3</sup>/mol
+|MolVolume            =37.6 cm<sup>3</sup>/mol
 |Molweight            =85 g/mol
 |Transparency         = transparent
@@ Line 18: / Line 18: @@
 |Crystal_Habit        =
 |Twinning             =
-|Refractive_Indices   =	n<sub>o</sub> = 1,587<br>n<sub>e</sub> = 1,336
+|Refractive_Indices   =	n<sub>o</sub> = 1.587<br>n<sub>e</sub> = 1.336
-|Birefringence        = Δ = 0,251
+|Birefringence        = Δ = 0.251
 |optical_Orientation  =
 |Pleochroism          =