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In allusion to its composition, being an AMMONIum NITrate.
Remains to be verified as occurring in nature.

Classification of Ammonia-niter URL:
Please feel free to link to this page.

Crystallography of Ammonia-niter

Crystal System:
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cell Parameters:
a = 4.93Å, b = 5.44Å, c = 5.73Å
a:b:c = 0.906 : 1 : 1.053
Unit Cell Volume:
V 153.67 ų (Calculated from Unit Cell)

Optical Data of Ammonia-niter

Biaxial (-)

Chemical Properties of Ammonia-niter

All elements listed in formula:

Other Names for Ammonia-niter

Name in Other Languages:

Other Information

Other Information:
Very soluble in water. Stable form in the range of -18° to 32.2°C.

There are 1 high-pressure and 5 low-pressure polymorphs.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Ammonia-niter

Reference List:
Shepard (1857) American Journal of Science: 24: 124 (as Nitrammite).

Winchell, A. (1931) The Microscopic Characters of Artificial Inorganic Solid Substances or Artificial Minerals. Second edition, 403 pp., New York and London: 209.

Hendricks, Posnjak, and Merwin (1932) Journal of the American Chemical Society: 54: 2766.

West (1932) Journal of the American Chemical Society: 54: 2256.

Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: Halides, Nitrates, Borates, Carbonates, Sulfates, Phosphates, Arsenates, Tungstates, Molybdates, Etc. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged: 305.

Internet Links for Ammonia-niter

Localities for Ammonia-niter

(TL) indicates type locality for a valid mineral species. (FRL) indicates first recorded locality for everything else. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
  • Tennessee
    • Marion Co.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II: 305.
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