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Ferro-ferri-sadanagaite

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Formula:
{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2
Crystal System:
Monoclinic
Name:
The 2012 amphibole nomenclature has redefined the sadanagaite group, using the sadanagaite root name for the Mg and Al dominant member of the group, rather than the pre-2012 definition where the root name was Fe2+ and Al dominant.

Consequently, what is known as ferro-ferri-sadanagaite post-2012 was ferrisadanagaite pre-2012.
The sadanagaite-group minerals are defined with 0,5 < A(Na+K+2Ca)<1.5 where Na or K is dominant and with the C position occupied by Mg or Fe2+ as dominant divalent ions and 1,5 < C(Al+Fe3+ +2Ti). W may contain (OH),F or Cl.

Ferro-ferri-sadanagaite is defined with:

A position: Na dominant
C position: Fe2+ and Fe3+ dominant
W position: (OH) dominant


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Classification of Ferro-ferri-sadanagaiteHide

Notes:
Intermediate member of a solid-solution series
8/F.10-210

8 : Silicates
F : Inosilicates (chain and band) double chains [Si2O6]4-
10 : Amphibole group, Tremolite - Sadanagaite series

Chemical Properties of Ferro-ferri-sadanagaiteHide

Formula:
{Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2

Crystallography of Ferro-ferri-sadanagaiteHide

Crystal System:
Monoclinic

Relationship of Ferro-ferri-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-fluoro-sadanagaite{Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2
Ferro-sadanagaite{Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2
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.

Related Minerals - Nickel-Strunz Grouping (8th Edition)Hide

8/F.10-05Parvo-manganotremolite☐{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
8/F.10-10Tremolite☐{Ca2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
8/F.10-12Fluoro-tremolite☐{Ca2}{Mg5}(Si8O22)F2Mon. 2/m : B2/m
8/F.10-20Actinolite☐{Ca2}{Mg4.5-2.5Fe0.5-2.5}(Si8O22)(OH)2Mon. 2/m : B2/m
8/F.10-30Ferro-actinolite☐{Ca2}{Fe2+5}(Si8O22)(OH)2Mon.
8/F.10-40Magnesio-hornblende☐{Ca2}{Mg4Al}(AlSi7O22)(OH)2Mon.
8/F.10-50Ferro-hornblende☐{Ca2}{Fe2+4Al}(AlSi7O22)(OH)2Mon.
8/F.10-60Tschermakite☐(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
8/F.10-70Ferro-tschermakite☐{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
8/F.10-77Ferri-tschermakite☐{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2Mon.
8/F.10-80Ferro-Ferri-tschermakite☐{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2Mon.
8/F.10-88Parvo-mangano-edenite{Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2Mon. 2/m : B2/m
8/F.10-90Edenite{Na}{Ca2}{Mg5}(AlSi7O22)(OH)2Mon.
8/F.10-92Fluoro-edenite{Na}{Ca2}{Mg5}(AlSi7O22)(F,OH)2Mon. 2/m : P2/m
8/F.10-100Ferro-edenite{Na}{Ca2}{Fe2+5}(AlSi7O22)(OH)2Mon.
8/F.10-102Potassic-ferro-chloro-edenite{K}{Ca2}{Fe2+5}(AlSi7O22)(Cl,OH)2
8/F.10-103CannilloiteCa(Ca2)(Mg4Al)(Al3Si5O22)(OH)2Mon.
8/F.10-105Fluoro-cannilloite{Ca}{Ca2}{Mg4Al}(Al3Si5O22)(F,OH)2Mon.
8/F.10-110Pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2Mon.
8/F.10-112Fluoro-pargasite{Na}{Ca2}{Mg4Al}(Al2Si6O22)(F,OH)2Mon. 2/m : B2/m
8/F.10-120Ferro-pargasite{Na}{Ca2}{Fe2+4Al}(Al2Si6O22)(OH)2Mon.
8/F.10-122Ferro-chloro-pargasiteNaCa2(Fe2+4Al)(Al2Si6O22)Cl2
8/F.10-125Potassic-pargasite{K}{Ca2}{Mg4Al}(Al2Si6O22)(OH)2Mon.
8/F.10-127Potassic-chloro-pargasite{K}{Ca2}{Mg4Al}(Al2Si6O22)(Cl,OH)2
8/F.10-130Magnesio-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2Mon.
8/F.10-132Magnesio-fluoro-hastingsite{Na}{Ca2}{Mg4Fe3+}(Al2Si6O22)F2Mon. 2/m : B2/m
8/F.10-135Potassic-magnesio-hastingsite{K}{Ca2}{Mg4Fe3+}(Al2Si6O22)(OH)2Mon. 2/m : B2/m
8/F.10-140Hastingsite{Na}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(OH)2Mon.
8/F.10-145Potassic-fluoro-hastingsite{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(F,OH)2Mon. 2/m : B2/m
8/F.10-147Potassic-chloro-hastingsite{K}{Ca2}{Fe2+4Fe3+}(Al2Si6O22)(Cl,OH)2Mon. 2/m : B2/m
8/F.10-150Kaersutite{Na}{Ca2}{Mg3AlTi}(Al2Si6O22)O2 Mon.
8/F.10-160Ferro-kaersutite{Na}{Ca2}{Fe2+3AlTi}(Al2Si6O22)O2Mon.
8/F.10-175Sadanagaite{Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2Mon.
8/F.10-180Potassic-sadanagaite{K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2Mon.
8/F.10-200Potassic-ferro-sadanagaite{K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2Mon.
8/F.10-220Potassic-ferro-ferri-sadanagaite{K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(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-ferri-sadanagaiteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Hawthorne, F.C., Oberti, R. (2006) On the classification of amphiboles. The Canadian Mineralogist: 44: 1-21.
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-ferri-sadanagaiteHide

Localities for Ferro-ferri-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.
Canada
 
  • Québec
    • Montérégie
      • La Vallée-du-Richelieu RCM
        • Mont Saint-Hilaire
Canadian Museum of Nature & Horváth collection specimens
Mineral and/or Locality  
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