Arcanite

Arcanite
Mineralogical name	Arcanite
Chemical name	Potassium sulphate
Trivial name	Sulphate of Potash
Chemical formula	K2SO4
Other forms
Crystal system	orthorhombic
Crystal structure
Deliquescence humidity 20°C	97,6
Solubility (g/l) at 20°C
Density (g/cm³)	2,662 g/cm3
Molar volume	65,5 cm3/mol
Molar weight	174,27 g/mol
Transparency
Cleavage	destinct to good
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	nx = 1,494 ny = 1,495 nz = 1,497
Birefringence	Δ = 0,003
Optical Orientation	positive
Pleochroism
Dispersion
Used Literature
{{{Literature}}}

back to Sulphate

A phase is a physically distinctive form of matter and is characterized by having relatively uniform chemical and physical properties.