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Fluoro-Riebeckite

Pictures (1 Images total)

Fluoro-Riebeckit
Views (File:
1715967214
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Fluoro-Riebeckit
blaue Fasern von Fluoro-Riebeckit auf Rauchquarz; Bildbreite: 25 mm; Fundort: Mount Malosa, Zomba, Southern Region, MW; analysiert von J.F. Carpentier
Copyright: weloveminerals; Contribution: Philip Blümner
Location: Malawi/Southern Region/Zomba, Distrikt/Mount Malosa
Mineral: Fluoro-Riebeckite
Image: 1715967214
License: Usage for Mineralienatlas project only
Fluoro-Riebeckit  X
Analysed with X-ray diffraction XRD

blaue Fasern von Fluoro-Riebeckit auf Rauchquarz; Bildbreite: 25 mm; Fundort: Mount Malosa, Zomba, Southern Region, MW; analysiert von J.F. Carpentier
Copyright: weloveminerals
Contribution: Philip Blümner 2024-05-17
Locality: Mount Malosa / Zomba, Distrikt / Southern Region / Malawi

Chemism

Chemical formula

☐Na2(Fe2+3Fe3+2)Si8O22F2

Chemical composition

Eisen, Natrium, Silicium, Fluor, Sauerstoff, Vakanz

Unit weight: 939.87404691 u; Number of atoms in the formula: 40

Info

Empirical formula:

VcNa2(Fe3Fe2)Si8O22F2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Vacancy

Vc

0.00

1

2.50

0.0000000

0.0000000
Oxygen

O

37.45

22

55.00

15.9994300

351.9874600
Fluorine

F

4.04

2

5.00

18.9984033

37.9968065
Sodium

Na

4.89

2

5.00

22.9897702

45.9795404
Silicon

Si

23.91

8

20.00

28.0855300

224.6842400
Iron

Fe

29.71

5

12.50

55.8452000

279.2260000

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

 Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium Amphiboles  ⇒ Riebeckite (Rbk) amphiboles

Crystal Structure 3D

Open larger view

References

Gross, E.B., Heinrich, E.W. - Petrology and mineralogy of the Mount Rosa area, El Paso and Teller Counties, Colorado.II. Pegmatites. American Mineralogist 51 (1966) 299-323.

Hawthorne, F.C. - The crystal structure of the amphiboles. VIII. The crystal structure and site chemistry of fluor-riebeckite. Canadian Mineralogist 16 (1978), 187

Hawthorne, F.C., Oberti, R., Harlow, G.E., Maresch, W.V., Martin, R.F., Schumacher, J.C., Welch, M.D. - Nomenclature of the amphibole supergroup. American Mineralogist 97 (2012) 2031-2048.

IMA group assignments

Other languages

German

Fluoro-Riebeckit

English

Fluoro-Riebeckite

Symbol

Fluvt

Russian

Фторрибекит

IDs

GUSID (Global unique identifier short form) MXR_cJPWOUm4QZ8dJQEP4Q
GUID (Global unique identifier) 707F7431-D693-4939-B841-9F1D25010FE1
Database ID 8250