Darapskite: Difference between revisions

Revision as of 13:14, 6 February 2015

Darapskite^[1]^[2] ^[3]

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)	2.20 g/cm³
Molar volume	111.4 cm³/mol
Molar weight	245.1 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	n_x = 1.391 n_y = 1.481 n_z = 1.486
Birefringence	Δ = 0.095
Optical Orientation	negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}

back to Sulfate

@@ Line 1: / Line 1: @@
 {{Infobox_Salt
-|Footnote             = <ref>http://webmineral.com/data/Darapskite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-1226.html  viewed on 29/07/2010</ref>
+|Footnote             = <ref>http://webmineral.com/data/Darapskite.shtml viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-1226.html  viewed on 29/07/2010</ref> <ref><bib id="JCPDS:1991"></ref>
 |photo                = [[File:Darapskit-19082010-klein.jpg|300px]]
 |mineralogical_Name   = Darapskite
@@ Line 11: / Line 11: @@
 |Deliqueszenzhumidity =
 |Solubility           =
-|Density              =
+|Density              =2.20 g/cm<sup>3</sup>
 |MolVolume            = 111.4 cm<sup>3</sup>/mol
-|Molweight            = 245 g/mol
+|Molweight            = 245.1 g/mol
 |Transparency         = transparent
 |Cleavage             = perfect