Sodic-ferro-anthophyllite
A material that is NOT an approved mineral species
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Formula:
{Na}{Fe2+2}{Fe2+5}(AlSi7O22)(OH)2
Formula redefined in the 2012 amphibole nomenclature.
Colour:
Clove-brown to dark brown, grey to white, green.
Lustre:
Vitreous
Hardness:
5½ - 6
Crystal System:
Orthorhombic
Member of:
Name:
Named as the sodium-bearing and magnesium-dominant orthoamphibole resembling anthophyllite.
In order to better distinguish between amphibole end-member member compositions, the CNMNC has decided to rename sodic-anthophyllite. The name is not yet (Nov 2012) decided.
In order to better distinguish between amphibole end-member member compositions, the CNMNC has decided to rename sodic-anthophyllite. The name is not yet (Nov 2012) decided.
Amphibole Group, Mg-Fe-Mn-Li Ortho-Amphibole Subgroup
Unique Identifiers
Mindat ID:
7303
Long-form identifier:
mindat:1:1:7303:1
GUID
(UUID V4):
(UUID V4):
27a43de4-0c75-4906-a4b1-9d857496f011
IMA Classification of Sodic-ferro-anthophyllite
IMA status notes:
Intermediate member of a solid-solution series
Classification of Sodic-ferro-anthophyllite
9.DD.05
9 : SILICATES (Germanates)
D : Inosilicates
D : Inosilicates with 2-periodic double chains, Si4O11; Orthoamphiboles
9 : SILICATES (Germanates)
D : Inosilicates
D : Inosilicates with 2-periodic double chains, Si4O11; Orthoamphiboles
Physical Properties of Sodic-ferro-anthophyllite
Vitreous
Colour:
Clove-brown to dark brown, grey to white, green.
Streak:
White to greyish-white.
Hardness:
5½ - 6 on Mohs scale
Chemistry of Sodic-ferro-anthophyllite
Mindat Formula:
{Na}{Fe2+2}{Fe2+5}(AlSi7O22)(OH)2
Formula redefined in the 2012 amphibole nomenclature.
Formula redefined in the 2012 amphibole nomenclature.
Crystallography of Sodic-ferro-anthophyllite
Crystal System:
Orthorhombic
Synonyms of Sodic-ferro-anthophyllite
Sodic amphibole (in part)
Other Language Names for Sodic-ferro-anthophyllite
German:Natrium-Ferro-Anthophyllit
Relationship of Sodic-ferro-anthophyllite to other Species
Member of:
Other Members of this group:
| Anthophyllite | â—»{Mg2}{Mg5}(Si8O22)(OH)2 | Orth. mmm (2/m 2/m 2/m) : Pnma |
| Ferro-anthophyllite | â—»{Fe2+2}{Fe2+5}(Si8O22)(OH)2 | Orth. mmm (2/m 2/m 2/m) : Pnma |
| Proto-anthophyllite | â—»{Mg2}{Mg5}(Si8O22)(OH)2 | Orth. mmm (2/m 2/m 2/m) : Pnnm |
| Proto-ferro-anthophyllite | â—»{Fe2+2}{Fe2+5}(Si8O22)(OH)2 | Orth. mmm (2/m 2/m 2/m) |
Forms a series with:
Related Minerals - Strunz-mindat Grouping
| 9.DD.05 | Anthophyllite | â—»{Mg2}{Mg5}(Si8O22)(OH)2 |
| 9.DD.05 | Ferro-anthophyllite | â—»{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
| 9.DD.05 | Ferro-gedrite | â—»{Fe2+2}{Fe2+3Al2}(Al2Si6O22)(OH)2 |
| 9.DD.05 | Gedrite | â—»{Mg2}{Mg3Al2}(Al2Si6O22)(OH)2 |
| 9.DD.05 | Holmquistite | â—»{Li2}{Mg3Al2}(Si8O22)(OH)2 |
| 9.DD.05 | Proto-ferro-anthophyllite | â—»{Fe2+2}{Fe2+5}(Si8O22)(OH)2 |
| 9.DD.05 | Proto-ferro-suenoite | â—»{Mn2+2}{Fe2+5}(Si8O22)(OH)2 |
| 9.DD.05 | Sodic-anthophyllite | {Na}{Mg2}{Mg5}(AlSi7O22)(OH)2 |
| 9.DD.05 | Ferro-holmquistite | â—»{Li2}{Fe2+3Al2}(Si8O22)(OH)2 |
| 9.DD.05 | Proto-anthophyllite | â—»{Mg2}{Mg5}(Si8O22)(OH)2 |
| 9.DD.05 | Lavinskyite | K(LiCu)Cu6(Si4O11)2(OH)4 |
| 9.DD.05 | Papikeite | NaMg2(Mg3Al2}(Al3Si5O22)(OH)2 |
| 9.DD.05 | Ferri-holmquistite | â—»{Li2}{Mg3Fe3+2}(Si8O22)(OH)2 |
| 9.DD.05 | Ferro-ferri-holmquistite | â—»{Li2}{Fe2+3Fe3+2}(Si8O22)(OH)2 |
| 9.DD.05 | Suenoite | â—»Mn2Mg5Si8O22(OH)2 |
| 9.DD.05 | Ferro-papikeite | NaFe2+2(Fe2+3Al2)(Si5Al3O22)(OH)2 |
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 Sodic-ferro-anthophyllite
mindat.org URL:
https://www.mindat.org/min-7303.html
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