Natron
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Natron[1][2] | |
Mineralogical name | Natron |
Chemical name | Sodium carbonate dekahydrate |
Trivial name | Soda |
Chemical formula | Na2CO3•10H2O |
Other forms | |
Crystal system | monoclinic |
Crystal structure | |
Deliquescence humidity 20°C | 96,5% (15°C), 97,9% (20°C), 88,2% (25°C), 83,2% (30°C) |
Solubility (g/l) at 20°C | 215,8 g/l |
Density (g/cm³) | 1,46 g/cm³ |
Molar volume | |
Molar weight | 286,15 g/mol |
Transparency | transparent to translucent |
Cleavage | distinct to good |
Crystal habit | |
Twinning | |
Phase transition | |
Chemical behavior | |
Comments | blooms quickly in dry air and passes into the monohydrate pH about 12 |
Crystal Optics | |
Refractive Indices | nx = 1,405 ny = 1,425 nz = 1,440 |
Birefringence | Δ = 0,035 |
Optical Orientation | biaxial negative |
Pleochroism | |
Dispersion | |
Used Literature | |
{{{Literature}}} |
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Weblinks[edit]
- ↑ http://webmineral.com/data/Natron.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-2858.html viewed on 09/06/2011