Schönite: Difference between revisions

Revision as of 13:59, 6 February 2015

Schönite^[1]^[2] ^[3]

Mineralogical name	Schoenite, Picromerite
Chemical name	Potassium magnesium sulfate hexahydrate
Trivial name
Chemical formula	K₂Mg(SO₄)₂•6H₂O
Other forms
Crystal system	monoclinic
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C	250 g/l
Density (g/cm³)	2.03 g/cm³
Molar volume	198.4 cm³/mol
Molar weight	402.72 g/mol
Transparency	transparent
Cleavage	perfect
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	n_x = 1.461 n_y = 1.463 n_z = 1.476
Birefringence	Δ = 0.015
Optical Orientation	positive
Pleochroism
Dispersion
Used Literature
{{{Literature}}}

back to Sulfate

@@ Line 1: / Line 1: @@
 {{Infobox_Salt
-|Footnote             = <ref>http://webmineral.com/data/Picromerite.shtml  viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3206.html  viewed on 29/07/2010</ref>
+|Footnote             = <ref>http://webmineral.com/data/Picromerite.shtml  viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-3206.html  viewed on 29/07/2010</ref> <ref><bib id="JCPDS"></ref>
 |photo                = <!-- [[Image:"file name"|300px]]-->
 |mineralogical_Name   = Schoenite, Picromerite
@@ Line 11: / Line 11: @@
 |Deliqueszenzhumidity =
 |Solubility           = 250 g/l
-|Density              = 2.15 g/cm<sup>3</sup>
+|Density              = 2.03 g/cm<sup>3</sup>
 |MolVolume            = 198.4 cm<sup>3</sup>/mol
-|Molweight            = 402.73 g/mol
+|Molweight            = 402.72 g/mol
 |Transparency         = transparent
 |Cleavage             = perfect