Darapskite: Difference between revisions
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|photo = [[File:Darapskit-19082010-klein.jpg|300px]] | |photo = [[File:Darapskit-19082010-klein.jpg|300px]] | ||
|mineralogical_Name = Darapskite | |mineralogical_Name = Darapskite | ||
|chemical_Name = | |chemical_Name = Trisodiumsulfate nitrate Monohydrate | ||
|Trivial_Name = | |Trivial_Name = | ||
|chemical_Formula = Na<sub>3</sub>(SO<sub>4</sub>)(NO<sub>3</sub>)•H<sub>2</sub>O<br> NaNO<sub>3</sub>•Na<sub>2</sub>SO<sub>4</sub>•H<sub>2</sub>O | |chemical_Formula = Na<sub>3</sub>(SO<sub>4</sub>)(NO<sub>3</sub>)•H<sub>2</sub>O<br> NaNO<sub>3</sub>•Na<sub>2</sub>SO<sub>4</sub>•H<sub>2</sub>O | ||
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|Solubility = | |Solubility = | ||
|Density = | |Density = | ||
|MolVolume = 111 | |MolVolume = 111.4 cm<sup>3</sup>/mol | ||
|Molweight = 245 g/mol | |Molweight = 245 g/mol | ||
|Transparency = transparent | |Transparency = transparent | ||
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|Crystal_Habit = | |Crystal_Habit = | ||
|Twinning = | |Twinning = | ||
|Refractive_Indices = n<sub>x</sub> = 1 | |Refractive_Indices = n<sub>x</sub> = 1.391<br> n<sub>y</sub> = 1.481<br> n<sub>z</sub> = 1.486 | ||
|Birefringence = Δ = 0 | |Birefringence = Δ = 0.095 | ||
|optical_Orientation = negative | |optical_Orientation = negative | ||
|Pleochroism = | |Pleochroism = | ||
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}} | }} | ||
back to [[ | back to [[Sulfate]] | ||
==Weblinks== | ==Weblinks== | ||
<references/> | <references/> | ||
[[Category:Darapskite]][[Category:Sulphate]][[Category:Salt]][[Category:InProgress]] | [[Category:Darapskite]][[Category:Sulphate]][[Category:Salt]][[Category:InProgress]][[Category:Sulfate]] | ||
Revision as of 15:17, 20 December 2011
| Darapskite[1][2] | |
| |
| Mineralogical name | Darapskite |
| Chemical name | Trisodiumsulfate nitrate Monohydrate |
| Trivial name | |
| Chemical formula | Na3(SO4)(NO3)•H2O NaNO3•Na2SO4•H2O |
| Other forms | |
| Crystal system | {{{Crystal_System}}} |
| Crystal structure | |
| Deliquescence humidity 20°C | |
| Solubility (g/l) at 20°C | |
| Density (g/cm³) | |
| Molar volume | 111.4 cm3/mol |
| Molar weight | 245 g/mol |
| Transparency | transparent |
| Cleavage | perfect |
| Crystal habit | |
| Twinning | |
| Phase transition | |
| Chemical behavior | |
| Comments | can be produced from an aqueous solution of Na2SO4 and NaNO3 at 14-50°C |
| Crystal Optics | |
| Refractive Indices | nx = 1.391 ny = 1.481 nz = 1.486 |
| Birefringence | Δ = 0.095 |
| Optical Orientation | negative |
| Pleochroism | |
| Dispersion | |
| Used Literature | |
| {{{Literature}}} | |
back to Sulfate
Weblinks[edit]
- ↑ http://webmineral.com/data/Darapskite.shtml viewed on 29/07/2010
- ↑ http://www.mindat.org/min-1226.html viewed on 29/07/2010