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Ferro-sadanagaite

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Formula:
{Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2
The sadanagaite group minerals are defined as with 0,5 < A(Na+K+ 2Ca) where Na or K is dominant, and with 1,5 < C(Al+Fe3++2Ti), where Al or Fe3+ are dominant. The W position may contain (OH),F or Cl.

Ferro-sadanagaite is defined with
A position: K dominant
C2+ position: Fe dominant
C3+ position: Al dominant
W position: (OH) dominant.
Name:
Ferro-sadanagaite is a new mineral name in the 2012 amphibole nomenclature. Between 1997 and 2012 sadanagaites of this composition (Fe2+>Mg, Na>K and Al>Fe3+) was named sadanagaite.
This page provides mineralogical data about Ferro-sadanagaite.


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Classification of Ferro-sadanagaiteHide

Notes:
Intermediate member of a solid-solution series

Chemical Properties of Ferro-sadanagaiteHide

Formula:
{Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2

The sadanagaite group minerals are defined as with 0,5 < A(Na+K+ 2Ca) where Na or K is dominant, and with 1,5 < C(Al+Fe3++2Ti), where Al or Fe3+ are dominant. The W position may contain (OH),F or Cl.

Ferro-sadanagaite is defined with
A position: K dominant
C2+ position: Fe dominant
C3+ position: Al dominant
W position: (OH) dominant.

Relationship of Ferro-sadanagaite to other SpeciesHide

Other Members of this group:
Ferri-fluoro-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)F2
Ferri-sadanagaite{Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
Ferro-ferri-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)F2
Ferro-ferri-sadanagaite{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon.
Ferro-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2
Fluoro-sadanagaite{Na}{Ca2}{Mg3Al2}(Al3Si5O22)F2
Potassic-chloro-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)Cl2
Potassic-ferri-sadanagaite{K}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2
Potassic-ferro-chloro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)Cl2
Potassic-ferro-ferri-sadanagaite{K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2Mon.
Potassic-ferro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2Mon.
Potassic-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2Mon.
Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2Mon.

Other InformationHide

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 Ferro-sadanagaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Leake, B.E., Woolley, A.R., Arps, C.E.S., Birch, W.D., Gilbert, M.C., Grice, J.D., Hawthorne, F.C., Kato, A., Kisch, H.J., Krivovichev, V.G., Linthout, K., Laird, J., Mandarino, J.A., Maresch, W.V., Nickel, E.H., Rock, N.M.S., Schumacher, J.C., Smith, D.C., Stephenson, N.C.N., Ungaretti, L., Whittaker, E.J.W., Guo, Y. (1997) Nomenclature of amphiboles: Report of the subcommittee on amphiboles of the International Mineralogical Association, Commission on New Minerals and Mineral Names. The Canadian Mineralogist: 35: 219–246.
Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. (2012) Nomenclature of the amphibole supergroup. American Mineralogist: 97: 2031-2048.

Internet Links for Ferro-sadanagaiteHide

Localities for Ferro-sadanagaiteHide

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.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (eg from pseudomorphs.)

All localities listed without proper references should be considered as questionable.
Russia
 
  • Chelyabinsk Oblast
Bazhenov A. G., Bazhenova L. F., Polyakov V. O(1988): Sadanagaite from alkaline complex of Ilmen mountains, Zapiski RMO (Proceedings of the Russian Mineralogical Society) Part 117 Issue 1, pp 74-78
UK
 
  • England
    • Cornwall
      • St Just
        • Botallack
W.A Deer, R.A. Howie, J Zussman (1997), Rock-forming minerals, double chain silicates, second edition, The geological society publication Peter Golley, Richard Williams (1995),Cornish Mineral reference manual, Endsleigh publications
Mineral and/or Locality  
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