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Spodiophyllite

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Formula:
(Na,K)4(Mg,Fe2+)3(Fe3+,Al)2(Si8O24)
System:
Monoclinic
Lustre:
Pearly
Hardness:
3 - 3½
Originally reported from Narssârssuk pegmatite (Narsarsuk pegmatite), Narssârssuk (Narsarsuk), Igaliku (Igaliko), Narsaq, Kitaa (West Greenland) Province, Greenland.

Classification of Spodiophyllite

Discredited 1998
Explanation of status:
Possibly a mica related to tainiolite; discredited by Mica Subcommittee (1998)
8/H.29-20

8 : Silicates
H : Phyllosilicates (layered), Tetragonal or pseudotetragonal layered structures [Si4O10]4- and others
29 : Naujakasite - Spodiophyllite series
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Physical Properties of Spodiophyllite

Pearly
Hardness (Mohs):
3 - 3½

Crystallography of Spodiophyllite

Crystal System:
Monoclinic

Chemical Properties of Spodiophyllite

Formula:
(Na,K)4(Mg,Fe2+)3(Fe3+,Al)2(Si8O24)
Essential elements:
All elements listed in formula:

Relationship of Spodiophyllite to other Species

8/H.29-10Naujakasite(Na,K)6(Fe2+,Mn2+,Ca)(Al,Fe)4Si8O26

Other Names for Spodiophyllite

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 Spodiophyllite

Reference List:
Discreditation: Canad.Mineral. (1998) 36, 905

Internet Links for Spodiophyllite

Localities for Spodiophyllite

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.
Greenland
 
  • Kujalleq
    • Narsaq
      • Igaliku (Igaliko)
        • Narsaarsuk Plateau
Bøgghild, O.B. (1953): The Mineralogy of Greenland. Meddelelser om Grønland, Bd. 149. Nr. 3., C.A. Reitzels Forlag, Copenhagen. 445 p (p.339-340)
Russia
 
  • Northern Region
    • Murmanskaja Oblast'
      • Kola Peninsula
www.koeln.netsurf.de/~w.steffens/khib.htm
Mineral and/or Locality  
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