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Pyracmonite

Formula:
(NH
 
4
)
 
3
Fe(SO
 
4
)
 
3
System:Trigonal
This page provides mineralogical data about Pyracmonite.

Classification of Pyracmonite

IMA status:Approved 2008
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Type Occurrence of Pyracmonite

Type Locality:La Fossa Crater, Vulcano Island, Eolie Islands (Aeolian Islands), Lipari, Messina Province, Sicily, Italy

Crystallography of Pyracmonite

Crystal System:Trigonal
Class (H-M):3m - Ditrigonal Pyramidal
Space Group:R3c
Cell Parameters:a = 15.2171Å, c = 8.9323Å
Ratio:a:c = 1 : 0.587
Unit Cell Volume:V 1,791.26 ų (Calculated from Unit Cell)
X-Ray Powder Diffraction:
d-spacingIntensity
7.596 (100)
4.384 (5)
4.358 (23)
4.247 (5)
3.371 (26)
3.320 (30)
2.863 (8)

Chemical Properties of Pyracmonite

Formula:
(NH
 
4
)
 
3
Fe(SO
 
4
)
 
3
Essential elements:Fe, H, O, S
All elements listed in formula:Fe, H, O, S

Other Names for Pyracmonite

Synonyms:
IMA2008-029
Other Languages:

Other Information

Health Warning:No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for Pyracmonite

Reference List:IMA proposals approved in September 2008

Ciriotti, M.E., Fascio, L. & Pasero, M. (2009): Italian Type Minerals. Edizioni Plus, Università di Pisa, Pisa, Italy, 357 pp.

Internet Links for Pyracmonite

Search Engines:
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  • Look for Pyracmonite on Wikipedia
  • Look for Pyracmonite on Mineralien Atlas
  • Raman and XRD data at RRUFF project
  • American Mineralogist Crystal Structure Database
  • Search for Pyracmonite in the Natural History Museum (London) online catalogue
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    Localities for Pyracmonite

    (TL) indicates type locality. ? 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.
    Italy
     
    • Sicily
      • Messina Province
        • Lipari
          • Eolie Islands (Aeolian Islands)
            • Vulcano Island
    IMA website - Sept. 2008
    Mineral and/or Locality
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