Trona
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| Trona[1][2] | |
| Mineralogical name | Trona, Tronite |
| Chemical name | Trisodium hydrogen dicarbonate dihydrate; sodium carbonate bicarbonate dihydrate |
| Trivial name | |
| Chemical formula | Na3H(CO3)2•2H2O; Na2CO3•NaHCO3•2H2O |
| Other forms | |
| Crystal system | monoclinic |
| Crystal structure | C2/c |
| 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 aqueous solution with a high concentration 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 negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
Intoduction[edit]
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
Literature[edit]
There were no citations found in the article.]