Nitrammite

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Nitrammite[1]
Mineralogical name Nitrammite, Gwihabaite
Chemical name Ammonium Nitrate
Trivial name
Chemical formula NH4NO3
Other forms
Crystal system orthorhombic
Crystal structure
Deliquescence humidity 20°C 65% (20°C), 61.8% (25°C)
Solubility (g/l) at 20°C 1787 g/l
Density (g/cm³) 1.72 g/cm3
Molar volume 46.49 cm3/mol
Molar weight 80.043 g/mol
Transparency transparent
Cleavage
Crystal habit
Twinning
Phase transition
Chemical behavior
Comments
Crystal Optics
Refractive Indices nx = 1.411-1.416
ny = 1.605-1.623
nz = 1.630-1.649
Birefringence Δ = 0.219-0.233
Optical Orientation negative
Pleochroism
Dispersion
Used Literature
[Robie.etal:1978]Author: Robie R.A., Hemingway B.S.; Fisher J.A.
Journal: U.S. Geol. Surv. Bull
Title: Thermodynamic properties of minerals and related substances at 298.15 K and 1 bar pressure and higher temperatures
Volume: 1452
Year: 1978
Link to Google Scholar



References

Literature

[Robie.etal:1978]Robie R.A., Hemingway B.S.; Fisher J.A. (1978): Thermodynamic properties of minerals and related substances at 298.15 K and 1 bar pressure and higher temperatures. U.S. Geol. Surv. Bull, 1452 (%number%), %pages%, %url%, %doi%Link to Google Scholar