Ferri-fluoro-taramite
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Formula:
Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2
The taramite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 1.5 apfu < C(Al+Fe3++2Ti).
Ferri-fluoro-taramite is defined with
A position: Na dominant
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: F dominant
Ferri-fluoro-taramite is defined with
A position: Na dominant
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: F dominant
This page provides mineralogical data about Ferri-fluoro-taramite.
Classification of Ferri-fluoro-taramite
IMA status notes:
Intermediate member of a solid-solution series
Chemical Properties of Ferri-fluoro-taramite
Formula:
Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2
The taramite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 1.5 apfu < C(Al+Fe3++2Ti).
Ferri-fluoro-taramite is defined with
A position: Na dominant
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: F dominant
The taramite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 1.5 apfu < C(Al+Fe3++2Ti).
Ferri-fluoro-taramite is defined with
A position: Na dominant
C2+ position: Mg dominant
C3+ position: Fe dominant
W position: F dominant
Relationship of Ferri-fluoro-taramite to other Species
Member of:
Other Members of this group:
| Ferri-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2 | Mon. |
| Ferro-ferri-fluoro-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2 | |
| Ferro-ferri-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 | |
| Ferro-fluoro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)F2 | |
| Ferro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2 | Mon. 2/m : B2/m |
| Fluoro-taramite | {Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2 | Mon. 2/m : B2/m |
| Potassic-ferri-taramite | K(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH) | |
| Potassic-ferro-ferri-taramite | K(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 | Mon. 2/m |
| Potassic-ferro-taramite | K{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2 | Mon. 2/m : B2/m |
| Taramite | {Na}{CaNa}{Mg3Al2}(Al2Si6O22)(OH)2 | Mon. 2/m : B2/m |
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 Ferri-fluoro-taramite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
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 Ferri-fluoro-taramite
mindat.org URL:
https://www.mindat.org/min-43481.html
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