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Ferri-taramite

Collectors Summary

Crystal System monoklin, C2/m

Additional information / Summary

Umbenannt von Ferri-Magnesiotaramit zu Ferri-Taramit vom Amphibol-Subkomitee (2012). Anerkannt 2021

Chemism

Chem­ical formula

Na(NaCa)(Mg3Fe3+2)(Si6Al2)O22(OH)2

Chem­ical com­po­si­tion

Aluminium, Calcium, Eisen, Magnesium, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 879.1419908 u; Number of atoms in the formula: 42

Info

Empirical formula:

Na(NaCa)(Mg3Fe2)(Si6Al2)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.23

2

4.76

1.0079470

2.0158940

Oxygen

O

43.68

24

57.14

15.9994300

383.9863200

Sodium

Na

5.23

2

4.76

22.9897702

45.9795404

Magnesium

Mg

8.29

3

7.14

24.3050600

72.9151800

Aluminium

Al

6.14

2

4.76

26.9815382

53.9630764

Silicon

Si

19.17

6

14.29

28.0855300

168.5131800

Calcium

Ca

4.56

1

2.38

40.0784000

40.0784000

Iron

Fe

12.70

2

4.76

55.8452000

111.6904000

Strunz 9th edi­tion incl. updates

9.DE.20

9: Silikate (Germanate)
D: Ketten- und Bandsilikate (Inosilikate)
E: Ketten- und Bandsilikate mit 2-periodischen Doppelketten, Si4O11; Amphibol-Familie, Klinoamphibole
20:

Clas­sifica­tion by Hölzel

9.DI.560

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
I: Amphiboles; Sodiccalcic Amphiboles
5: Taramite-Group

IMA sta­tus

Name Ferri-Magnesiotaramit empfohlen vom Amphibol-Subkommittee (1997) für Mg-Fe3+ Endglieder der Taramit-Serie; 2012 umbenannt zu Ferri-Taramit. Anerkannt - CNMNC Newsletter 63, August - September 2021

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Classification

Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium-calcium amphiboles  ⇒ Taramite (Tar) amphiboles

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters a (Å)

9.8960(1)

Cell param­e­ters b (Å)

18.015(2)

Cell param­e­ters c (Å)

5.32164(7)

Cell param­e­ters a/b or c/a

0.549

Cell param­e­ters c/b

0.295

Cell param­e­ters α

90°

Cell param­e­ters β

105.00(1)°

Cell param­e­ters γ

90°

Volumne (ų)

916.396

Kristall struc­ture

Amphibol-Supergruppe; Struktur ermittelt

X-Ray Pow­der Diffrac­tion

8.44(60), 3.392(25), 3.281(39), 3.140(100), 2.816(45), 2.710(38), 1.654(26), 1.445(33)

XRD chart Ferri-taramite

Calculated from d-spacing and intensity at 0.1541838 nm (Cu)

(Co-)Type locality

(Co-)Type locality

Schweden/Värmland, Provinz/Filipstad, Gemeinde/Nordmark (Nordmarksberg)/Jakobsberg

Type material

Das Typenmaterial ist in den mineralogischen Sammlungen der Abteilung für Geowissenschaften, Schwedisches Naturkundemuseum, Box 50007, SE-10405 Stockholm, Schweden, hinterlegt, Sammlungsnummer GEO-NRM

Preface

Author (Name, Year)

Dan Holtstam, Fernando Cámara, Andreas Karlsson, Henrik Skogby und Thomas Zack (2021); Leake u.w., 1997;

References

Canadian Mineralogist 35 (1997), 219

Frank C. Hawthorne, Roberta Oberti, George E. Harlow, Walter V. Maresch, Robert F. Martin, John C. Schumacer, Mark D. Welch (2012): Nomenclature of the amphibole supergroup, American Mineralogist, Volume 97, pages 2031–2048

Holtstam, D., Cámara, F., Karlsson, A., Skogby, H. and Zack, T. (2021) Ferri-taramite, IMA 2021-046.

IMA group assignments





 
 
 
 
 
Na(CaNa)(Mg3Fe3+2)(Al2Si6O22)F2
 
 

 
 
 
 
 
Na(NaCa)(Mg3Fe3+2)(Si6Al2)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Na(CaNa)(Fe2+3Fe3+2)(Al2Si6O22)F2
 
 

 
 
 
 
 
Na(NaCa)(Fe2+3Fe3+2)(Si6Al2)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Na(CaNa)(Fe2+3Al2)(Al2Si6O22)F2
 
 

 
 
 
 
 
Na(CaNa)(Fe2+3Al2)(Si6Al2)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Na(CaNa)(Mg3Al2)(Si6Al2)O22F2
monoklin
C2/m

 
 
 
 
 
Na2Ca(Mg3AlFe3+)(Si6Al2)O22(OH)2
monoklin
C2/m

 
 
 
 
 
K(CaNa)(Mg3Fe3+2)(Al2Si6O22)(OH)
 
 

 
 
 
 
 
K(CaNa)(Fe2+3Fe3+2)(Si6Al2)O22(OH)2
monoklin
C2/m

 
 
 
 
 
K(CaNa)(Fe2+3Al2)(Si6Al2)O22(OH)2
monoklin
C/2m

 
 
 
 
 
Na(NaCa)(Mg3Al2)(Si6Al2)O22(OH)2
monoklin
C2/m

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Actuality: 12. Aug 2022 - 09:37:48

Other languages

German

Ferri-Taramit

English

Ferri-taramite

Russian

Ферритарамит

old name

German

Ferri-Magnesiotaramit (pre 2012)

English

Ferri-magnesiotaramite (pre 2012)

Alternative Name

German

Ferritaramit

Magnesio-ferritaramite

CNMNC (IMA)-Number

IMA 2021-046

CNMNC symbol

Symbol

Fi-trm

Automatic Links to external internet sources (Responsibility is with the operator)

German pages

DeWikiPedia - search for: Ferri-Taramit
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English pages

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RRUFF - References and PDF downloads - search for: Ferri-taramite
American-Mineralogist-Crystal-Structure-Database - search for: Ferri-taramite
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Russian pages

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German pages

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Locations with GPS information