Trona: Difference between revisions
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|chemical_Name =Trisodium hydrogen dicarbonate dihydrate; sodium carbonate bicarbonate dihydrate | |chemical_Name =Trisodium hydrogen dicarbonate dihydrate; sodium carbonate bicarbonate dihydrate | ||
|Trivial_Name = | |Trivial_Name = | ||
|chemical_Formula =Na<sub>3</sub>H(CO<sub>3</sub>)<sub>2</sub>•2H<sub>2</sub>O; Na<sub>2</sub>3</sub>•NaHCO>3<sub</sub> | |chemical_Formula =Na<sub>3</sub>H(CO<sub>3</sub>)<sub>2</sub>•2H<sub>2</sub>O; Na<sub>2</sub>CO<sub>3</sub>•NaHCO>3<sub</sub> | ||
|Hydratforms = | |Hydratforms = | ||
|Crystal_System =monoclinic | |Crystal_System =monoclinic | ||
| Line 20: | Line 20: | ||
|Refractive_Indices =n<sub>x</sub> = 1.412<br>n<sub>y</sub>= 1.492<br>n<sub>z</sub> = 1.54 | |Refractive_Indices =n<sub>x</sub> = 1.412<br>n<sub>y</sub>= 1.492<br>n<sub>z</sub> = 1.54 | ||
|Birefringence =Δ = 0.128 | |Birefringence =Δ = 0.128 | ||
|optical_Orientation =biaxial | |optical_Orientation =biaxial negative | ||
|Pleochroism = | |Pleochroism = | ||
|Dispersion = | |Dispersion = | ||
|Phase_Transition = | |Phase_Transition = | ||
|chemBehavior = | |chemBehavior = | ||
|Comments =can be produced from an | |Comments =can be produced from an aqueous solution with a high concentration of NaCl and Na<sub>2</sub>SO<sub>4</sub> at 50-85°C<br>pH about 10 | ||
}} | }} | ||
Revision as of 22:46, 13 December 2013
| 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•NaHCO>3<sub |
| 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 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}}} | |
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