Trona: Difference between revisions
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|Deliqueszenzhumidity = | |Deliqueszenzhumidity = | ||
|Solubility =130 g/l (0°C) | |Solubility =130 g/l (0°C) | ||
|Density =2 | |Density =2.13 g/cm³ | ||
|MolVolume = | |MolVolume = | ||
|Molweight =226 | |Molweight =226.03 g/mol | ||
|Transparency =translucent | |Transparency =translucent | ||
|Cleavage =perfect to indistinct | |Cleavage =perfect to indistinct | ||
|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices =n<sub>x</sub> = 1 | |Refractive_Indices =n<sub>x</sub> = 1.412<br>n<sub>y</sub>= 1.492<br>n<sub>z</sub> = 1.54 | ||
|Birefringence =Δ = 0 | |Birefringence =Δ = 0.128 | ||
|optical_Orientation =biaxial neagtive | |optical_Orientation =biaxial neagtive | ||
|Pleochroism = | |Pleochroism = | ||
Revision as of 15:07, 20 December 2011
| Trona[1][2] | |
| Mineralogical name | Trona, Tronite |
| Chemical name | Trisodium hydrogen dicarbonate |
| Trivial name | |
| Chemical formula | Na3H(CO3)2•2H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | 130 g/l (0°C) |
| Density (g/cm³) | 2.13 g/cm³ |
| Molar volume | |
| Molar weight | 226.03 g/mol |
| Transparency | translucent |
| Cleavage | perfect to indistinct |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | can be produced from an aqqueous solution with a lot of NaCl and Na2SO4 at 50-85°C pH about 10 |
| Crystal Optics | |
| Refractive Indices | nx = 1.412 ny= 1.492 nz = 1.54 |
| Birefringence | Δ = 0.128 |
| Optical Orientation | biaxial neagtive |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Carbonate
Weblinks[edit]
- ↑ http://webmineral.com/data/Trona.shtml viewed on 09/06/2011
- ↑ http://www.mindat.org/min-4031.html viewed on 09/06/2011