Syngenite

Syngenite
Mineralogical name	Syngenite, Kaluszite
Chemical name	Potassium calcium sulphate hydrate
Trivial name
Chemical formula	K2Ca(SO4)2•H2O
Other forms
Crystal system	{{{Crystal_System}}}
Crystal structure
Deliquescence humidity 20°C
Solubility (g/l) at 20°C
Density (g/cm³)	2,58 g/cm3
Molar volume	127,8 cm3/mol
Molar weight	328,42 g/mol
Transparency
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices	nx = 1,501 ny = 1,517 nz = 1,518
Birefringence	Δ = 0,017
Optical Orientation	biaxial negative
Pleochroism
Dispersion
Used Literature
{{{Literature}}}

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