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Fluoro-katophorite

A named amphibole that is NOT (yet) an approved mineral species
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06507590017271949495663.jpg
Fluoro-katophorite

Bear Lake diggings, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada
06507590017271949495663.jpg
Fluoro-katophorite

Bear Lake diggings, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada
06507590017271949495663.jpg
Fluoro-katophorite

Bear Lake diggings, Monmouth Township, Highlands East Township, Haliburton County, Ontario, Canada
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About Fluoro-katophoriteHide

Formula:
Na(CaNa)(Mg4Al)(AlSi7O22)F2
The katophorite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu.

Fluoro-katophorite is defined with

A position: Na dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: F dominant
Crystal System:
Monoclinic
Name:
This mineral was defined as the fluor dominant magnesiokatophorite based on the 1978 and 1997 amphibole nomenclatures. The katophorite group minerals was redefined in the 2012 amphibole nomenclature renaming the Mg, Al and F dominant member of the group fluoro-katophorite.
This page provides mineralogical data about Fluoro-katophorite.


Unique IdentifiersHide

Mindat ID:
31323
Long-form identifier:
mindat:1:1:31323:8

IMA Classification of Fluoro-katophoriteHide

IMA status notes:
Named Amphibole

Classification of Fluoro-katophoriteHide

Strunz-mindat (2026):
9.DE.20

9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles

Chemistry of Fluoro-katophoriteHide

Mindat Formula:
Na(CaNa)(Mg4Al)(AlSi7O22)F2

The katophorite group minerals are sodium-calcium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu.

Fluoro-katophorite is defined with

A position: Na dominant
C2+ position: Mg dominant
C3+ position: Al dominant
W position: F dominant
Element Weights:
Element% weight
O42.726 %
Si23.864 %
Mg11.801 %
Al6.550 %
Na5.581 %
Ca4.865 %
F4.612 %

Calculated from ideal end-member formula.
Elements listed:
Al, Ca, F, Mg, Na, O, Si - search for minerals with similar chemistry

Crystallography of Fluoro-katophoriteHide

Crystal System:
Monoclinic

Synonyms of Fluoro-katophoriteHide

Relationship of Fluoro-katophorite to other SpeciesHide

Member of:
Katophorite Root Name Group > Sodium-Calcium Amphibole Subgroup > w(OH,F,Cl)-dominant Amphibole Group > Amphibole Supergroup
Other Members of Katophorite Root Name Group:
Ferri-fluoro-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
Ferri-katophoriteNa(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
'Ferro-ferri-fluoro-katophorite'Na(CaNa)(Fe2+4Fe3+)(AlSi7O22)F2Mon.
Ferro-ferri-katophoriteNa(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2Mon. 2/m : B2/m
Ferro-katophorite{Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
Katophorite{Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2Mon. 2/m : B2/m
'Potassic-ferri-katophorite'K(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2
'Potassic-ferro-ferri-katophorite'{K}{CaNa}{Fe2+4Fe3+}[(AlSi7)O22](OH)2
'Potassic-fluoro-katophorite'K(CaNa)(Mg4Al)(AlSi7O22)F2

Related Minerals - Strunz-mindat GroupingHide

9.DE.ShojiiteNa(NaMg)Mg5Si8O22(OH)2Mon. 2/m : B2/m
9.DE.Clino-suenoite◻{Mn2+2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.Mangani-eckermanniteNaNa2(Mg4Mn3+)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.05'Permanganogrunerite'◻{Mn2+2}{Mn2+5}(Si8O22)(OH)2Mon.
9.DE.05Cummingtonite◻{Mg2}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Ferri-fluoro-leakeite{Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2Mon. 2/m : B2/m
9.DE.05Grunerite◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.05Clino-holmquistite Root Name Group◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2Mon.
9.DE.10Actinolite◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-cannilloiteCaCa2(Mg4Al)(Si5Al3)O22F2Mon. 2/m : B2/m
9.DE.10JoesmithitePb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2Mon. 2/m : P2/b
9.DE.10Clino-ferro-suenoite◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Fluoro-tremolite◻Ca2Mg5(Si8O22)F2Mon. 2/m : B2/m
9.DE.10'Parvo-manganotremolite'◻{CaMn2+}{Mg5}(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10Magnesio-ferri-hornblende◻Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2Mon. 2/m : B2/m
9.DE.10Ferro-ferri-hornblende◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2Mon. 2/m : B2/m
9.DE.10'Ferro-cannilloite'CaCa2(Fe2+4Al)(Si5Al3O22)OH2
9.DE.10'Ferro-ferri-cannilloite'CaCa2(Fe2+4Fe3+)(Si5Al3O22)OH2
9.DE.10'Ferro-fluoro-actinolite'◻{Ca2}{Fe5}(Si8O22)F2
9.DE.10'Ferro-fluoro-hornblende'◻Ca2(Fe2+4Al)(AlSi7O22)F2
9.DE.10Magnesio-ferri-fluoro-hornblende◻Ca2(Mg4Fe3+)(AlSi7O22)F2Mon. 2/m : B2/m
9.DE.10'Ferro-ferri-fluoro-hornblende'◻Ca2(Fe2+4Fe3+)(AlSi7O22)F2
9.DE.10'Ferri-fluoro-tschermakite'◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)F2
9.DE.10'Ferro-ferri-fluoro-tschermakite'◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)F2
9.DE.10'Ferro-fluoro-tschermakite'◻{Ca2}{Fe2+3Al2}(Al2Si6O22)F2
9.DE.10'Fluoro-tschermakite'◻{Ca2}{Mg3Al2}(Al2Si6O22)F2
9.DE.10'Magnesio-fluoro-hornblende'◻Ca2(Mg4Al)(AlSi7O22)F2
9.DE.10Tremolite◻Ca2Mg5(Si8O22)(OH)2Mon. 2/m : B2/m
9.DE.10'Ferro-ferri-tschermakite'◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2Mon.
9.DE.10'Cannilloite'CaCa2(Mg4Al)(Si5Al3O22)OH2Mon.
9.DE.10Tschermakite◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2Mon. 2/m : B2/m
9.DE.10Magnesio-hornblende◻Ca2(Mg4Al)(Si7Al)O22(OH)2Mon. 2/m : B2/m
9.DE.10