Aphthitalite: Difference between revisions

Revision as of 20:45, 13 February 2015

Aphthitalite^[1]^[2]

Mineralogical name	Aphthitalite
Chemical name	Potassium sodium sulphate
Trivial name	Glaserite, Vesuvian Salt
Chemical formula	K₃Na(SO₄)₂ Na₂SO₄•3K₂SO₄
Other forms
Crystal system	trigonal
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³)	1.35 g/cm³
Molar volume	246.2 cm³/mol
Molar weight	332.41 g/mol
Transparency	transparent to opaque
Cleavage	imperfect to fair
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	n_o = 1.491 n_e = 1.499
Birefringence	Δ = 0.008
Optical Orientation	positive
Pleochroism
Dispersion
Used Literature
[JCPDS:1991]Title: JCPDS Powder Diffraction File 2 (PDF-2)

back to Sulfate

[Dana:1951]	Dana E.S. (eds.) Dana J.D. (1951): Dana's System of Mineralogy, 7, Wiley & Sons
[JCPDS:1991]	(1991): JCPDS Powder Diffraction File 2 (PDF-2).

Dana E.S. (eds.) Dana J.D. (1951): Dana's System of Mineralogy, 7, Wiley & Sons

@@ Line 1: / Line 1: @@
 {{Infobox_Salt
-|Footnote             = <ref>http://webmineral.com/data/Aphthitalite.shtml  viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-280.html  viewed on 29/07/2010</ref> <ref><bib id="JCPDS:1991"></ref>
+|Footnote             = <ref>http://webmineral.com/data/Aphthitalite.shtml  viewed on 29/07/2010</ref><ref>http://www.mindat.org/min-280.html  viewed on 29/07/2010</ref>
 |photo                =  [[File:Aphthitalit-19082010-klein.jpg|300px]]
 |mineralogical_Name   = Aphthitalite
@@ Line 26: / Line 26: @@
 |chemBehavior         =
 |Comments             =
+|Literature =  <bib id="JCPDS:1991"/>
 }}