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Named in allusion to being the first mineral species containing an ammine (NH3) complex in the composition.
Not to be confused with amminite.

First recognized mineral with ammine (NH3) group; one of four currently known NH3-bearing minerals, by chanabayaite, joanneumite and shilovite. Elements in ammineite may also be found in buttgenbachite, but its chemical systematics is different.

Classification of Ammineite

Approval Year:

C : Complex halides
0 :

Chemical Properties of Ammineite

IMA Formula:
Elements listed in formula:

Crystallography of Ammineite

Crystal System:
Class (H-M):
mmm (2/m 2/m 2/m) - Dipyramidal
Space Group:
Cell Parameters:
a = 7.688 Å, b = 10.645 Å, c = 5.736 Å
a:b:c = 0.722 : 1 : 0.539
Unit Cell Volume:
V 469.43 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction Data:
6.282 (69)
4.276 (56)
3.897 (60)
2.919 (100)
2.764 (35)
2.659 (81)
2.335 (32)
1.966 (28)

Type Occurrence of Ammineite

Other Names for Ammineite

Name in Other Languages:

Other Information

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 Ammineite

Reference List:
Walter, F., Bojar, H.-P., Baumgartner, J. (2010): Ammineite, CuCl2(NH3)2 - the first mineral with an ammine complex. 20th General Meeting of the IMA (IMA2010), Budapest, Hungary, August 21-27, CD of Abstracts, p. 501.

Internet Links for Ammineite URL:
Please feel free to link to this page.

Localities for Ammineite

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.
(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.
Chile (TL)
  • Tarapacá Region
    • Iquique Province
      • Chanabaya
Walter, F., Bojar, H.-P., Baumgartner, J. (2010): Ammineite, CuCl2(NH3)2 - the first mineral with an ammine complex. 20th General Meeting of the International Mineralogical Association - Budapest 21-27.08.2010 (in press).
  • Campania
    • Naples Province
      • Somma-Vesuvius Complex
M. Russo & I. Campostrini (2011): Ammineite, matlockite and post 1944 eruption fumarolic minerals at Vesuvius. Plinius 37, 312.
  • Arizona
    • Maricopa Co.
      • Painted Rock Mts
        • Painted Rock District
          • Theba
Raman analyzed at the University of Arizona.
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