Nahcolite
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Nahcolite[1][2] [3] | |
Mineralogical name | Sodium hydrogen carbonate |
Chemical name | Nahcolite |
Trivial name | |
Chemical formula | NaHCO3 |
Other forms | |
Crystal system | monoclinic |
Crystal structure | |
Deliquescence humidity 20°C | |
Solubility (g/l) at 20°C | 96 g/l |
Density (g/cm³) | 2.21 g/cm³ |
Molar volume | 37.99 cm3/mol |
Molar weight | 84.01 g/mol |
Transparency | transparent to translucent |
Cleavage | perfect |
Crystal habit | |
Twinning | |
Phase transition | |
Chemical behavior | |
Comments | pH about 8 |
Crystal Optics | |
Refractive Indices | nx = 1.376 ny = 1.500 nz = 1.582 |
Birefringence | Δ = 0.206 |
Optical Orientation | biaxial negative |
Pleochroism | |
Dispersion | |
Used Literature | |
{{{Literature}}} |
back to Carbonate
Weblinks[edit]
- ↑ http://webmineral.com/data/Nahcolite.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-2831.html viewed on 09/06/2011
- ↑ <bib id="Broul.etal:1981">
Literature[edit]
[Broul.etal:1981] | Elsevier (eds.) Broul M., Nyvlt J.; Soehnel O. (1981): Solubility in organic two component systems, Elsevier |