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Ferro-nybøite

Pictures (2 Images total)

Ferronyböit
Views (Image: 1242507281): 1004
Ferronyböit

Bildbreite: 3 mm; Fundort: Turiy-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-16
Locality: Mys Tury (Cape Tury; Turiy-Massiv) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland
Ferronyböit
Views (Image: 1242507328): 771
Ferronyböit

Bildbreite: 8 mm; Fundort: Turiy-Massiv, Kola, Murmansk, Russland
Copyright: Pavel M. Kartashov
Contribution: slugslayer 2009-05-16
Locality: Mys Tury (Cape Tury; Turiy-Massiv) / Kola-Halbinsel / Murmansk, Oblast / Nordwestrussland, Föderationskreis / Russland

Collectors Summary

Color blau-grau
Lustre Glasglanz
Hardness (Mohs) 5 - 6
Crystal System monoklin, C2/m

Chemism

Chem­ical formula

NaNa2(Fe2+)3Al2(Si7Al)O22(OH)2

Chem­ical com­po­si­tion

Aluminium, Eisen, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 900.0504492 u; Number of atoms in the formula: 42

Info

Empirical formula:

NaNa2(Fe)3Al2(Si7Al)O22(OH)2

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)
Hydrogen

H

0.22

2

4.76

1.0079470

2.0158940
Oxygen

O

42.66

24

57.14

15.9994300

383.9863200
Sodium

Na

7.66

3

7.14

22.9897702

68.9693106
Aluminium

Al

8.99

3

7.14

26.9815382

80.9446146
Silicon

Si

21.84

7

16.67

28.0855300

196.5987100
Iron

Fe

18.61

3

7.14

55.8452000

167.5356000

Strunz 9th edi­tion incl. updates

9.DE.25

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

Clas­sifica­tion by Hölzel

9.DJ.620

9: SILICATES
D: Inosilicates; ~[Si2O6]4--...2-Chain
J: Amphiboles; Sodic Amphiboles
6: Nyböite-Group

Dana 8th edi­tion

66.01.03c.11a

66: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2
01: Inosilicates Inosilicate Double-Width Unbranched Chains, W=2 with P=2 amphibole configuration
03c: Group 4, the sodic amphiboles

IMA sta­tus

Anerkannt von der CNMNC

Min­eral sta­tus

anerkanntes Mineral

IMA Classification

IMA Clas­sifica­tion

 Amphibole supergroup  ⇒ (OH,F,Cl)-dominant amphiboles  ⇒ Sodium Amphiboles  ⇒ Nybøite (Nyb) amphiboles

Optical Properties

Color

blau-grau

Lus­tre

Glasglanz

Crystallography

Crystal Sys­tem

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell param­e­ters α

90°

Cell param­e­ters γ

90°

Physical Properties

Hard­ness (Mohs)

5 - 6

Preface

Author (Name, Year)

Leake et al., 1997

References

Hawthorne, Frank C., and Roberta Oberti - über die Klassifikation der Amphibole: Canadian Mineralogist 44 (2006) (1), 1-21.

Leake B E, Woolley A R, Arps C E S, Birch W D, Gilbert M C, Grice J D, Hawthorne F C, Kato A, Kisch H J, Krivovichev V G, Linthout K, Laird J, Mandarino J A, Maresch W V, Nickel E H, Rock N M S, Schumacher J C, Smith D C, Stephenson N C N, Ungaretti L, Whittaker E J W, Youzhi G (1997) Nomenclature of amphiboles: Report of the subcommittee on amphiboles of the International Mineralogical Association, commission on new minerals and mineral names, The Canadian Mineralogist 35, 219-246

IMA group assignments

 
Amphibole supergroup
 
 
 

 
 
(OH,F,Cl)-dominant amphiboles
 
 
 

 
 
 
Sodium Amphiboles
 
 
 

 
 
 
 
Nybøite (Nyb) amphiboles
 
 
 

 
 
 
 
 
Ferri-nybøite
NaNa2(Mg3Fe3+2)(Si7Al)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Ferro-ferri-nybøite
NaNa2(Fe2+3Fe3+2)Si8O22(OH)2
monoklin
C2/m

 
 
 
 
 
Ferro-nybøite
NaNa2(Fe2+)3Al2(Si7Al)O22(OH)2
monoklin
C2/m

 
 
 
 
 
Fluoro-nybøite
NaNa2(Mg3Al2)(AlSi7O22)(F,OH)2
monoklin
C2/m

 
 
 
 
 
Nybøite
NaNa2(Mg3Al2)Si7AlO22(OH)2
monoklin
C2/m

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Actuality: 20. May 2022 - 03:02:48

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