Fluoro-arfvedsonite
A named amphibole that is NOT (yet) an approved mineral species
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About Fluoro-arfvedsonite
Formula:
[Na][Na2][Fe2+4Fe3+]Si8O22F2
The arfvedsonite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Fe as the dominant element in the C3+ position.
Fluoro-arfvedsonite is defined with:
A position: Na dominant
C2+ position: Fe dominant
C3+ position: Fe dominant
W position: F dominant
Fluoro-arfvedsonite is defined with:
A position: Na dominant
C2+ position: Fe dominant
C3+ position: Fe dominant
W position: F dominant
Colour:
Black
Lustre:
Vitreous
Unique Identifiers
Mindat ID:
43496
Long-form identifier:
mindat:1:1:43496:6
IMA Classification of Fluoro-arfvedsonite
IMA status notes:
Named Amphibole
Classification of Fluoro-arfvedsonite
9.DE.25
9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
9 : SILICATES (Germanates)
D : Inosilicates
E : Inosilicates with 2-periodic double chains, Si4O11; Clinoamphiboles
Pronunciation of Fluoro-arfvedsonite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Fluoro-arfvedsonite
Vitreous
Transparency:
Translucent
Colour:
Black
Streak:
Light bluish-grey
Cleavage:
Perfect
in two directions under 120 degrees
in two directions under 120 degrees
Chemistry of Fluoro-arfvedsonite
Mindat Formula:
[Na][Na2][Fe2+4Fe3+]Si8O22F2
The arfvedsonite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Fe as the dominant element in the C3+ position.
Fluoro-arfvedsonite is defined with:
A position: Na dominant
C2+ position: Fe dominant
C3+ position: Fe dominant
W position: F dominant
The arfvedsonite group minerals are sodium amphiboles defined with A(Na+K+2Ca)> 0.5 apfu and 0.5 apfu < C(Al+Fe3++2Ti) < 1.5 apfu with Fe as the dominant element in the C3+ position.
Fluoro-arfvedsonite is defined with:
A position: Na dominant
C2+ position: Fe dominant
C3+ position: Fe dominant
W position: F dominant
Element Weights:
Chemical Analysis
Oxide wt%:
| 1 | 2 | 3 | 4 | |
|---|---|---|---|---|
| SiO2 | 50.31 % | 49.87 % | 51.86 % | 49.03 % |
| Al2O3 | 0.63 % | 0.61 % | 1.50 % | 0.87 % |
| TiO2 | 0.57 % | 0.57 % | 0.38 % | 0.73 % |
| Fe2O3 | 12.00 % | 12.00 % | 13.98 % | 14.51 % |
| FeO | 22.14 % | 21.61 % | 5.11 % | 13.70 % |
| MnO | 0.77 % | 0.84 % | 4.35 % | 5.46 % |
| ZnO | 0.49 % | 0.44 % | 0.14 % | 0.90 % |
| Na2O | 8.82 % | 8.98 % | 7.13 % | 8.95 % |
| K2O | 1.58 % | 1.56 % | 1.10 % | 1.29 % |
| Li2O | 0.76 % | 0.78 % | 0.27 % | 0.6 % |
| F | 2.31 % | 2.71 % | 2.43 % | 2.85 % |
| H2O | (0.82) % | (0.61) % | ||
| O=F | -0.97 % | -1.14 % | -1.02 % | -1.20 % |
| MgO | 8.85 % | 0.61 % | ||
| CaO | 3.07 % | 0.05 % | ||
| Total: | 99.41 % | 98.83 % | 99.15 % | 98.35 % |
Empirical formulas:
| Sample ID | Empirical Formula |
|---|---|
| 1 | (K0.32Na0.68)Na2(Li0.48Fe2.83Mn0.1Zn0.06Fe1.46Ti0.07)(Si7.88Al0.12)O22(F1.15OH0.85) |
| 2 | (K0.25Na0.75)Na2(Li0.48Fe2.84Mn0.11Zn0.05Fe1.45Ti0.07)(Si7.89Al0.11)O22(F1.35OH0.65) |
| 3 | A(Na0.526K0.207)B0.733( (Na1.514Ca0.485Mn0.072) C2.00( (Mg2.057Li0.160Fe2+0.631Mn2+0.544Zn0.015Fe3+1.552Ti0.042) 5.001 T( (Si7.652Al0.261) 7.913OW22( (F1.143(OH) 0.857) 2.00 |
| 4 | A(Na0.767K0.261)B1.028( (Na1.990Ca0.010)C2.00( (Mg0.144Li0.383Fe2+1.818Mn2+0.734Fe3+1.733Ti0.087) 5.004 T( (Si7.780Al0.163) 7.943OW22( (F1.448(OH) 0.552) 2.00 |
Sample references:
| ID | Locality | Reference | Notes |
|---|---|---|---|
| 1 | Hurricane Mountain localities, North Conway, Conway, Carroll County, New Hampshire, USA | Chemical and structural analysis including site assignments. See reference for details. | |
| 2 | " " | Chemical and structural analysis including site assignments. See reference for details. | |
| 3 | Virgin Canyon pluton, Questa, Taos County, New Mexico, USA | A single crystal about 0.2x2mm was analyzed with EMPA, XRD and site scattering techniques. Li is ordered at M3, which is compensated by Fe3+ in the M2 site. The sample is named magesio-ferri-fluoro-katophorite in the references, but as #B#Na>1.5 and M#3+# > 1,5, the composition corresponds to fluoro-arfvedsonite. | |
| 4 | " " | A single crystal about 0.2x2mm was analyzed with EMPA, XRD and site scattering techniques. Li is ordered at M3, which is compensated by Fe3+ in the M2 site. |
Relationship of Fluoro-arfvedsonite to other Species
Member of:
Other Members of Arfvedsonite Root Name Group:
| Arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2 | Mon. 2/m : B2/m |
| Magnesio-arfvedsonite | {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2 | Mon. 2/m : B2/m |
| Magnesio-fluoro-arfvedsonite | [Na][Na2][Mg4Fe3+][Si8O22](F,OH)2 | Mon. 2/m : B2/m |
| Potassic-arfvedsonite | [(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2 | Mon. 2/m : B2/m |
| Potassic-magnesio-arfvedsonite | [K][Na2][Mg4Fe3+]Si8O22(OH)2 | Mon. 2/m : B2/m |
| Potassic-magnesio-fluoro-arfvedsonite | [(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2] | Mon. 2/m : B2/m |
Common Associates
Associated Minerals Based on Photo Data:
| 2 photos of Fluoro-arfvedsonite associated with Cryolite | Na2NaAlF6 |
| 1 photo of Fluoro-arfvedsonite associated with Elpasolite | K2NaAlF6 |
Related Minerals - Strunz-mindat Grouping
| 9.DE. | Clino-suenoite | ◻{Mn2+2}{Mg5}(Si8O22)(OH)2 |
| 9.DE. | Mangani-eckermannite | NaNa2(Mg4Mn3+)Si8O22(OH)2 |
| 9.DE.05 | Permanganogrunerite | ◻{Mn2+2}{Mn2+5}(Si8O22)(OH)2 |
| 9.DE.05 | Cummingtonite | ◻{Mg2}{Mg5}(Si8O22)(OH)2 |
| 9.DE.05 | Ferri-fluoro-leakeite | {Na}{Na2}{Mg2Fe3+2Li}(Si8O22)F2 |
| 9.DE.05 | Grunerite | ◻{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
| 9.DE.05 | Clino-holmquistite Root Name Group | ◻{Li2}{Z2+3Z3+2}(Si8O22)(OH,F,Cl)2 |
| 9.DE.10 | Actinolite | ◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2 |
| 9.DE.10 | Fluoro-cannilloite | CaCa2(Mg4Al)(Si5Al3)O22F2 |
| 9.DE.10 | Joesmithite | Pb2+Ca2(Mg3Fe3+2)(Si6Be2)O22(OH)2 |
| 9.DE.10 | Clino-ferro-suenoite | ◻{Mn2+2}{Fe2+5}(Si8O22)(OH)2 |
| 9.DE.10 | Fluoro-tremolite | ◻Ca2Mg5(Si8O22)F2 |
| 9.DE.10 | Parvo-manganotremolite | ◻{CaMn2+}{Mg5}(Si8O22)(OH)2 |
| 9.DE.10 | Magnesio-ferri-hornblende | ◻Ca2(Mg4Fe3+)[(Si7Al)O22](OH)2 |
| 9.DE.10 | Ferro-ferri-hornblende | ◻Ca2(Fe2+4Fe3+)(AlSi7O22)(OH)2 |
| 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.10 | Magnesio-ferri-fluoro-hornblende | ◻Ca2(Mg4Fe3+)(AlSi7O22)F2 |
| 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.10 | Tremolite | ◻Ca2Mg5(Si8O22)(OH)2 |
| 9.DE.10 | Ferro-ferri-tschermakite | ◻{Ca2}{Fe2+3Fe3+2}(Al2Si6O22)(OH)2 |
| 9.DE.10 | Cannilloite | CaCa2(Mg4Al)(Si5Al3O22)OH2 |
| 9.DE.10 | Tschermakite | ◻(Ca2)(Mg3Al2)(Al2Si6O22)(OH)2 |
| 9.DE.10 | Magnesio-hornblende | ◻Ca2(Mg4Al)(Si7Al)O22(OH)2 |
| 9.DE.10 | Ferri-tschermakite | ◻{Ca2}{Mg3Fe3+2}(Al2Si6O22)(OH)2 |
| 9.DE.10 | Ferro-actinolite | ◻Ca2Fe2+5(Si8O22)(OH)2 |
| 9.DE.10 | Ferro-hornblende | ◻Ca2(Fe2+4Al)(Si7Al)O22(OH)2 |
| 9.DE.10 | Ferro-tschermakite | ◻{Ca2}{Fe2+3Al2}(Al2Si6O22)(OH)2 |
| 9.DE.15 | Potassic-chloro-pargasite | KCa2(Mg4Al)(Si6Al2)O22Cl2 |
| 9.DE.15 | Ferro-fluoro-pargasite | (Na)(Ca2)(Fe2+4Al)(Al2Si6O22)F2 |
| 9.DE.15 | Potassic-ferro-chloro-edenite | KCa2Fe2+5(AlSi7O22)Cl2 |
| 9.DE.15 | Ferro-ferri-sadanagaite | {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
| 9.DE.15 | Hastingsite | NaCa2(Fe2+4Fe3+)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Fluoro-edenite | NaCa2Mg5(Si7Al)O22F2 |
| 9.DE.15 | Pargasite | NaCa2(Mg4Al)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Magnesio-fluoro-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22F2 |
| 9.DE.15 | Potassic-fluoro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22F2 |
| 9.DE.15 | Potassic-chloro-hastingsite | KCa2(Fe2+4Fe3+)(Si6Al2)O22Cl2 |
| 9.DE.15 | Unnamed (F-dominant analogue of Ferri-kaersutite) | (Na,K)Ca2[Mg3(Fe3+,Fe2+)Ti](Si6Al2O22)(F,O)2 |
| 9.DE.15 | Edenite | NaCa2Mg5(Si7Al)O22(OH)2 |
| 9.DE.15 | Potassic-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)(OH)2 |
| 9.DE.15 | Ferri-kaersutite | NaCa2(Mg3Fe3+Ti)(Si6Al2O22)O2 |
| 9.DE.15 | Potassic-pargasite | KCa2(Mg4Al)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Potassic-ferro-sadanagaite | {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)(OH)2 |
| 9.DE.15 | Kaersutite | NaCa2(Mg3AlTi4+)(Si6Al2)O22O2 |
| 9.DE.15 | Ferro-chloro-pargasite | NaCa2(Fe2+4Al)(Al2Si6O22)Cl2 |
| 9.DE.15 | Potassic-fluoro-pargasite | KCa2(Mg4Al)(Si6Al2)O22F2 |
| 9.DE.15 | Potassic-ferro-ferri-sadanagaite | {K}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)(OH)2 |
| 9.DE.15 | Fluoro-pargasite | NaCa2(Mg4Al)(Si6Al2)O22F2 |
| 9.DE.15 | Parvo-mangano-edenite | {Na}{CaMn2+}{Mg5}(AlSi7O22)(OH)2 |
| 9.DE.15 | Ferro-fluoro-edenite | NaCa2Fe2+5(AlSi7O22)F2 |
| 9.DE.15 | Mangani-pargasite | NaCa2(Mg4Mn3+)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Sadanagaite | {Na}{Ca2}{Mg3Al2}(Si5Al3O22)(OH)2 |
| 9.DE.15 | Magnesio-hastingsite | NaCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Ferri-sadanagaite | {Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)(OH)2 |
| 9.DE.15 | Ferro-sadanagaite | {Na}{Ca2}{Fe3Al2}(Al3Si5O22)(OH)2 |
| 9.DE.15 | Ferri-fluoro-sadanagaite | {Na}{Ca2}{Mg3Fe3+2}(Al3Si5O22)F2 |
| 9.DE.15 | Ferro-ferri-fluoro-sadanagaite | {Na}{Ca2}{Fe2+3Fe3+2}(Al3Si5O22)F2 |
| 9.DE.15 | Ferro-fluoro-sadanagaite | {Na}{Ca2}{Fe2+3Al2}(Al3Si5O22)F2 |
| 9.DE.15 | Fluoro-sadanagaite | {Na}{Ca2}{Mg3Al2}(Al3Si5O22)F2 |
| 9.DE.15 | Potassic-chloro-sadanagaite | {K}{Ca2}{Mg3Al2}(Al3Si5O22)Cl2 |
| 9.DE.15 | Potassic-ferro-chloro-sadanagaite | {K}{Ca2}{Fe2+3Al2}(Al3Si5O22)Cl2 |
| 9.DE.15 | Ferro-edenite | NaCa2Fe2+5(Si7Al)O22(OH)2 |
| 9.DE.15 | Oxo-magnesio-hastingsite | NaCa2(Mg3(Fe3+2-x,Tix))5(Si6Al2O22)O2 |
| 9.DE.15 | Potassic-ferro-pargasite | KCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Potassic-hastingsite | KCa2(Fe2+4Fe3+)(Al2Si6O22)(OH)2 |
| 9.DE.15 | Fluoro-hastingsite | NaCa2(Fe2+4Fe3+)(Al2Si6O22)F2 |
| 9.DE.15 | Potassic-magnesio-hastingsite | KCa2(Mg4Fe3+)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Vanadio-pargasite | NaCa2(Mg3+4V)(Al2Si6)O22(OH)2 |
| 9.DE.15 | Ferro-kaersutite | NaCa2{Fe2+3AlTi}(Si6Al2O22)O2 |
| 9.DE.15 | Chromio-pargasite | NaCa2(Mg4Cr)(Si6Al2)O22(OH)2 |
| 9.DE.15 | Ferro-pargasite | NaCa2(Fe2+4Al)(Si6Al2)O22(OH)2 |
| 9.DE.20 | Ghoseite | ◻[Mn2+Na][Mg4Al]Si8O22(OH)2 |
| 9.DE.20 | Potassic-ferro-taramite | K{CaNa}{Fe2+3Al2}{Si6Al2}O22(OH)2 |
| 9.DE.20 | Ferri-fluoro-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)F2 |
| 9.DE.20 | Barroisite | ◻{CaNa}{Mg3Al2}(AlSi7O22)(OH)2 |
| 9.DE.20 | Fluoro-richterite | {Na}{CaNa}{Mg5}(Si8O22)(F,OH)2 |
| 9.DE.20 | Potassic-ferro-ferri-taramite | K(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 |
| 9.DE.20 | Potassic-ferri-katophorite | K(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2 |
| 9.DE.20 | Potassic-ferro-richterite | {K}{CaNa}{Fe2+5}Si8O22(OH)2 |
| 9.DE.20 | Potassic-fluoro-richterite | {K}{CaNa}{Mg5}(Si8O22)(F,OH)2 |
| 9.DE.20 | Potassic-richterite | {K}{CaNa}{Mg5}Si8O22(OH)2 |
| 9.DE.20 | Ferri-ghoseite | ◻[Mn2+Na][Mg4Fe3+]Si8O22(OH)2 |
| 9.DE.20 | Fluoro-taramite | {Na}{CaNa}{Mg3Al2}(Al2Si6O22)F2 |
| 9.DE.20 | Ferro-ferri-fluoro-katophorite | Na(CaNa)(Fe2+4Fe3+)(AlSi7O22)F2 |
| 9.DE.20 | Richterite | Na(NaCa)Mg5(Si8O22)(OH)2 |
| 9.DE.20 | Ferri-winchite | ◻(NaCa)(Mg4Fe3+)Si8O22(OH)2 |
| 9.DE.20 | Fluoro-katophorite | Na(CaNa)(Mg4Al)(AlSi7O22)F2 |
| 9.DE.20 | Hjalmarite | {Na}(NaMn}{Mg5}Si8O22(OH)2 |
| 9.DE.20 | Ferro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)(OH)2 |
| 9.DE.20 | Clinoferroholmquistite | ◻Li2[Fe2+3Al2]Si8O22(OH,F)2 |
| 9.DE.20 | Ferro-katophorite | {Na}{CaNa}{Fe2+4Al}[(AlSi7)O22](OH)2 |
| 9.DE.20 | Taramite | Na(CaNa)(Mg3Al2)(Al2Si6O22)(OH)2 |
| 9.DE.20 | Potassic-fluoro-katophorite | K(CaNa)(Mg4Al)(AlSi7O22)F2 |
| 9.DE.20 | Ferro-fluoro-katophorite | Na(CaNa)(Fe2+4Al)(AlSi7O22)F2 |
| 9.DE.20 | Ferri-katophorite | Na(CaNa)(Mg4Fe3+)(AlSi7O22)(OH)2 |
| 9.DE.20 | Ferro-ferri-barroisite | ◻(CaNa)(Fe2+3Fe3+2)(AlSi7O22)(OH)2 |
| 9.DE.20 | Ferri-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2 |
| 9.DE.20 | Potassic-ferro-ferri-katophorite | {K}{CaNa}{Fe2+4Fe3+}[(AlSi7)O22](OH)2 |
| 9.DE.20 | Ferro-ferri-winchite | ◻[CaNa][Fe2+4(Fe3+,Al)]Si8O22(OH)2 |
| 9.DE.20 | Winchite | ◻{CaNa}{Mg4Al}(Si8O22)(OH)2 |
| 9.DE.20 | Ferro-fluoro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)F2 |
| 9.DE.20 | Fluoro-winchite | ◻{CaNa}{Mg4Al}(Si8O22)F2 |
| 9.DE.20 | Ferro-fluoro-winchite | ◻{CaNa}{Fe2+4Al}(Si8O22)F2 |
| 9.DE.20 | Ferri-barroisite | ◻(CaNa)(Mg3Fe3+2)(AlSi7O22)(OH)2 |
| 9.DE.20 | Ferro-ferri-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)(OH)2 |
| 9.DE.20 | Ferri-fluoro-barroisite | ◻{CaNa}{Mg3Fe3+2}(AlSi7O22)F2 |
| 9.DE.20 | Ferro-fluoro-barroisite | ◻{CaNa}{Fe2+3Al2}(AlSi7O22)F2 |
| 9.DE.20 | Ferro-ferri-fluoro-barroisite | ◻{CaNa}{Fe2+3Fe3+2}(AlSi7O22)F2 |
| 9.DE.20 | Fluoro-barroisite | ◻{CaNa}{Mg3Al2}(AlSi7O22)F2 |
| 9.DE.20 | Ferro-ferri-katophorite | Na(NaCa)(Fe2+4Fe3+)(Si7Al)O22(OH)2 |
| 9.DE.20 | Ferri-fluoro-taramite | Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2 |
| 9.DE.20 | Ferro-ferri-fluoro-taramite | Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2 |
| 9.DE.20 | Ferro-fluoro-taramite | Na(CaNa)(Fe2+3Al2)(Al2Si6O22)F2 |
| 9.DE.20 | Potassic-ferri-taramite | K(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)2 |
| 9.DE.20 | Magnesiotaramite | {Na}{CaNa}{Mg3AlFe3+}(Al2Si6O22)(OH)2 |
| 9.DE.20 | Ferro-barroisite | ◻{CaNa}{Fe2+3Al2}(AlSi7O22)(OH)2 |
| 9.DE.20 | Scandio-winchite | ◻(NaCa)(Mg4Sc)(Si8O22)(OH)2 |
| 9.DE.20 | Ferro-richterite | {Na}{CaNa}{Fe2+5}(Si8O22)(OH)2 |
| 9.DE.20 | Katophorite | {Na}{CaNa}{Mg4Al}[(AlSi7)O22](OH)2 |
| 9.DE.20 | Ferro-winchite | ◻{CaNa}{Fe2+4Al}(Si8O22)(OH)2 |
| 9.DE.25 | Clino-sodic-fluoro-holmquistite | {Na}{Li2}{Mg4Al}(Si8O22)F2 |
| 9.DE.25 | Ferro-ferri-nybøite | NaNa2[(Fe2+3,Mg)Fe3+2](AlSi7O22)(OH)2 |
| 9.DE.25 | Clino-ferro-ferri-holmquistite | ◻{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 |
| 9.DE.25 | Oxo-pargasite | NaCa2(Mg3(Al2-xTix))5(Si6Al2O22)O2 |
| 9.DE.25 | Ferri-nybøite | NaNa2(Mg3Fe3+2](AlSi7O22)(OH)2 |
| 9.DE.25 | Ferro-ferri-leakeite | [Na][Na2][Fe2+2Fe3+2Li]Si8O22(OH)2 |
| 9.DE.25 | Ferro-ferri-fluoro-leakeite | Na(Na2)(Fe2+2Fe3+2Li)(Si8O22)(F)2 |
| 9.DE.25 | Ferri-leakeite | [Na][Na2][Mg2Fe3+2Li]Si8O22(OH)2 |
| 9.DE.25 | Fluoro-pedrizite | NaLi2(Mg2Al2Li)(Si8O22)F2 |
| 9.DE.25 | Eckermannite | NaNa2(Mg4Al}Si8O22(OH)2 |
| 9.DE.25 | Arfvedsonite | [Na][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
| 9.DE.25 | Mangano-ferri-fluoro-leakeite | NaNa2(Mn2+2Fe3+2Li)[Si8O22]F2 |
| 9.DE.25 | Ferri-obertiite | NaNa2(Mg3Fe3+Ti)Si8O22O2 |
| 9.DE.25 | Riebeckite | ◻[Na2][Fe2+3Fe3+2]Si8O22(OH)2 |
| 9.DE.25 | Unnamed (Possible K-analogue of Ferri-obertiite) | KNa2((Mg,Fe,Na)3Fe3+(Ti,Fe))Si8O22(O,F)2 |
| 9.DE.25 | Magnesio-fluoro-arfvedsonite | [Na][Na2][Mg4Fe3+][Si8O22](F,OH)2 |
| 9.DE.25 | Ferro-fluoro-glaucophane | ◻[Na2][Fe2+3Al2]Si8O22F2 |
| 9.DE.25 | Oxo-mangani-leakeite | NaNa2(Mn3+4Li)Si8O22O2 |
| 9.DE.25 | Fluoro-leakeite | NaNa2(Mg2Al2Li)(Si8O22)F2 |
| 9.DE.25 | Nybøite | NaNa2(Mg3Al2)(AlSi7O22)(OH)2 |
| 9.DE.25 | Sodic-ferri-clinoferroholmquistite | Na0.5{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 |
| 9.DE.25 | Potassic-arfvedsonite | [(K,Na)][Na2][Fe2+4Fe3+]Si8O22(OH)2 |
| 9.DE.25 | Potassic-mangano-mangani-ungarettiite | KNa2(Mn2+2Mn3+3)Si8O22O2 |
| 9.DE.25 | Potassic-jeanlouisite | K(NaCa)(Mg4Ti)Si8O22O2 |
| 9.DE.25 | Ferri-pedrizite | [Na][Li2][Mg2Fe3+2Li]Si8O22(OH)2 |
| 9.DE.25 | Glaucophane | ◻[Na2][Mg3Al2]Si8O22(OH)2 |
| 9.DE.25 | Ferro-fluoro-pedrizite | Na(Li2)(Fe2+2Al2Li)[Si8O22]F2 |
| 9.DE.25 | Potassic-ferri-leakeite | [K][Na2][Mg2Fe3+2Li]Si8O22(OH)2 |
| 9.DE.25 | Potassic-magnesio-fluoro-arfvedsonite | [(K,Na)][Na2][Mg4Fe3+][Si8O22][(F,OH)2] |
| 9.DE.25 | Mangani-obertiite | NaNa2(Mg3Mn3+Ti4+)Si8O22O2 |
| 9.DE.25 | Scandio-fluoro-eckermannite | NaNa2(Mg4Sc)(Si8O22)F2 |
| 9.DE.25 | Ferro-eckermannite | NaNa2(Fe2+4Al)Si8O22(OH)2 |
| 9.DE.25 | Ferro-ferri-pedrizite | [Na][Li2][Fe2+2Fe3+2Li]Si8O22(OH)2 |
| 9.DE.25 | Pedrizite | NaLi2(LiMg2Al2)(Si8O22)(OH)2 |
| 9.DE.25 | Ferro-pedrizite | NaLi2(Fe2+2Al2Li)Si8O22(OH)2 |
| 9.DE.25 | Potassic-mangani-leakeite | [(Na,K)][Na2][Mg2Mn3+2Li]Si8O22(OH)2 |
| 9.DE.25 | Clino-fluoro-holmquistite | ◻{Li2}{Mg3Al2}(Si8O22)F2 |
| 9.DE.25 | Ferro-ferri-obertiite | NaNa2(Fe2+3Fe3+Ti)Si8O22O2 |
| 9.DE.25 | Magnesio-riebeckite | ◻{Na2}{Mg3Fe3+2}(Si8O22)(OH)2 |
| 9.DE.25 | Potassic-magnesio-arfvedsonite | [K][Na2][Mg4Fe3+]Si8O22(OH)2 |
| 9.DE.25 | Fluoro-nybøite | NaNa2(Mg3Al2)(AlSi7O22)(F,OH)2 |
| 9.DE.25 | Mangano-ferri-eckermannite | {Na}{Na2}{Mn2+4Fe3+}Si8O22(OH)2 |
| 9.DE.25 | Fluoro-glaucophane | ◻[Na2][Mg3Al2]Si8O22F2 |
| 9.DE.25 | Fluoro-riebeckite | ◻{Na2}{Fe2+3Fe3+2}(Si8O22)F2 |
| 9.DE.25 | Magnesio-fluoro-riebeckite | ◻{Na2}{Mg3Fe3+2}(Si8O22)F2 |
| 9.DE.25 | Fluoro-eckermannite | NaNa2(Mg4Al}Si8O22F2 |
| 9.DE.25 | Ferro-fluoro-eckermannite | NaNa2(Fe2+4Al}Si8O22F2 |
| 9.DE.25 | Magnesio-arfvedsonite | {Na}{Na2}{Mg4Fe3+}(Si8O22)(OH)2 |
| 9.DE.25 | Ferri-fluoro-nybøite | NaNa2(Mg3Fe3+2)(AlSi7O22)F2 |
| 9.DE.25 | Ferro-ferri-fluoro-nybøite | NaNa2(Fe2+3Fe3+2)(AlSi7O22)F2 |
| 9.DE.25 | Ferro-glaucophane | ◻[Na2][Fe2+3Al2]Si8O22(OH)2 |
| 9.DE.25 | Ferro-fluoro-nybøite | NaNa2(Fe2+3Al2)(AlSi7O22)F2 |
| 9.DE.25 | Mangani-dellaventuraite | NaNa2(MgMn3+2Ti4+Li)Si8O22O2 |
| 9.DE.25 | Ferro-leakeite | NaNa2(Fe2+2Al2Li)(Si8O22)(OH)2 |
| 9.DE.25 | Leakeite | NaNa2(Mg2Al2Li)(Si8O22)(OH)2 |
| 9.DE.25 | Potassic-leakeite | KNa2(Mg2Al2Li)(Si8O22)(OH)2 |
| 9.DE.25 | Ferri-fluoro-pedrizite | NaLi2(LiMg2Fe3+2)(Si8O22)F2 |
| 9.DE.25 | Ferro-ferri-fluoro-pedrizite | NaLi2(LiFe2+2Fe3+2)(Si8O22)F2 |
| 9.DE.25 | Ferro-nybøite | NaNa2(Fe2+3Al2)(AlSi7)O22(OH)2 |
| 9.DE.25 | Clino-ferro-ferri-fluoro-holmquistite | ◻{Li2}{Fe2+3Fe3+2}(Si8O22)F2 |
| 9.DE.25 | Mangano-mangani-ungarettiite | NaNa2(Mn2+2Mn3+3)(Si8O22)O2 |
| 9.DE.25 | Clino-ferri-fluoro-holmquistite | ◻{Li2}{Mg3Fe3+2}(Si8O22)F2 |
| 9.DE.25 | Clino-ferro-fluoro-holmquistite | ◻{Li2}{Fe2+3Al2}(Si8O22)F2 |
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.
Internet Links for Fluoro-arfvedsonite
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https://www.mindat.org/min-43496.html
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References for Fluoro-arfvedsonite
Reference List:
Hawthorne, Frank C., Ungaretti, Luciano, Oberti, Roberta, Bottazzi, Piero, Czamanske, Gerald K. (1993) Li: An important component in igneous alkali amphiboles. American Mineralogist, 78 (7-8) 733-745
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 (11) 2031-2048 doi:10.2138/am.2012.4276
Sharygin, V.V., Zubkova, N.V., Pekov, I.V., Rusakov, V.S., Ksenofontov, D.A., Nigmatulina, E.N., Vladykin, N.V., Pushcharovsky, D.Yu. (2016) Lithium-containing Na-Fe-amphibole from cryolite rocks of the Katugin rare-metal deposit (Transbaikalia, Russia): chemical features and crystal structure. Russian Geology and Geophysics, 57 (8) 1191-1203 doi:10.1016/j.rgg.2016.08.006
Localities for Fluoro-arfvedsonite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and 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).
All localities listed without proper references should be considered as questionable.
Canada | |
| Horváth et al. (2019) |
Madagascar | |
| Estrade (2014) |
Russia | |
| Sharygin et al. (2014) |
Sweden | |
| Färber (n.d.) |
USA | |
| Hawthorne et al. (1996) |
| Hawthorne et al. (1993) |


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The
Katugin Ta-Nb deposit, Kalarsky District, Zabaykalsky Krai, Russia