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Ferro-ferri-nybøite (Ferro-Ferri-Nybøit)

Collectors Summary

Color schwarz
Streak color graugrün bis schwarz
Hardness (Mohs) 6
Cleavages vollkommen {110}
Fracture splittrig
Crystal System monoklin, C2/m

Additional information / Summary

Kristalle zeigen extreme optische Absorption durch Intervalenz Ladungstransfer, welcher die Messung der optischen Eigenschaften hemmt.

Chemism

Chemical formula

NaNa2(Fe2+3Fe3+2)Si8O22(OH)2

Empirical formula (analysis)

(Na0.68K0.27)Σ0.95(Na1.83Ca0.17)Σ2.00 (Mg0.06Fe2+3.17Mn0.31Zn0.01Fe3+1.36Ti0.06)Σ4.97 (Si7.41Al0.59)Σ8.00 O22(OH1.58F0.42)Σ2.00

Additional chem. information

Amphibol-Supergruppe

A Position: Na dominant
C2+ Position: Fe dominant
C3+ Position: Fe dominant
W Position: (OH) dominant

Chemical composition

Eisen, Natrium, Silicium, Sauerstoff, Wasserstoff

Unit weight: 951.659830434 u; Number of atoms in the formula: 40.92

Info

Empirical formula:

(Na0.68K0.27)(Na1.83Ca0.17)(Mg0.06Fe3.17Mn0.31Zn0.01Fe1.36Ti0.06)(Si7.41Al0.59)O22(OH1.58F0.42)

Element

Symbol

Weight%

Atoms

Atoms%

Atom weight (u)

Sum weight (u)

Hydrogen

H

0.17

1.58

3.86

1.0079470

1.5925563

Oxygen

O

38.67

23

56.21

15.9994300

367.9868900

Fluorine

F

0.84

0.42

1.03

18.9984033

7.9793294

Sodium

Na

6.06

2.51

6.13

22.9897702

57.7043232

Magnesium

Mg

0.15

0.06

0.15

24.3050600

1.4583036

Aluminium

Al

1.67

0.59

1.44

26.9815382

15.9191075

Silicon

Si

21.87

7.41

18.11

28.0855300

208.1137773

Potassium

K

1.11

0.27

0.66

39.0983100

10.5565437

Calcium

Ca

0.72

0.17

0.42

40.0784000

6.8133280

Titanium

Ti

0.30

0.06

0.15

47.8671000

2.8720260

Manganese

Mn

1.79

0.31

0.76

54.9380499

17.0307955

Iron

Fe

26.58

4.53

11.07

55.8452000

252.9787560

Zinc

Zn

0.07

0.01

0.02

65.4094000

0.6540940

Analysis wt%

SiO2 : 45.80, Al2O3 : 3.11, TiO2 :0.50, Fe2O3 : 11.18, FeO : 23.45, MnO : 2.28, ZnO : 0.12, MgO : 0.23, CaO : 0.99, Na2O : 8.01, K2O : 1.30, F : 0.81, H2O calc : 1.47, O ≡ F : -0.34, Total : 98.91 wt.%

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.660

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

IMA status

anerkannt - CNMNC Newsletter No. 18, Dezember 2013

Mineral status

anerkanntes Mineral

IMA Classification

IMA Classification

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

Optical Properties

Color

schwarz

Streak color

graugrün bis schwarz

Optical Data Luminescence

Luminescence

keine Fluoreszenz

Crystallography

Crystal System

monoklin

Class (H-M)

2/m

Space Group number

12

Space Group

C2/m

Cell parameters a (Å)

9.9190(5)

Cell parameters b (Å)

18.0885(8)

Cell parameters c (Å)

5.3440

Cell parameters a/b or c/a

0.548

Cell parameters c/b

0.295

Cell parameters α

90°

Cell parameters β

103.813°

Cell parameters γ

90°

Z

2

Volumne (ų)

931.091

X-Ray Powder Diffraction

8.520(100), 3.298(7), 3.162(55), 2.834(24), 2.732(10), 2.552(10), 2.344(9), 1.671(19)

XRD chart Ferro-ferri-nybøite

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

Physical Properties

Hardness (Mohs)

6

Density (g/cm³)

3.424 (berechnet)

3.394 ( ρ calc. Mineralienatlas )

Cleavages

vollkommen {110}

Fracture

splittrig

Tenacity

spröde

(Co-)Type locality

(Co-)Type locality

Kanada/Québec/Montérégie, Region/La Vallée-du-Richelieu RCM/Mont Saint-Hilaire/Poudrette Quarry (Demix Quarry; Uni-Mix Quarry; Desourdy Quarry)

Type material

Department of Natural History, Royal Ontario Museum, Toronto, Ontario, Kanada

Collection number of type material

M55980

Preface

Author (Name, Year)

Leake u.w., 1997

References

Canadian Mineralogist 35 (1997), 219.

Canadian Mineralogist 41 (2003), 1355.

Rock-forming Minerals (Deer, Howie & Zussmann), 2B, 2nd ed. (1997), Table 35, anal. 5.

Lussier, A.J., Hawthorne, F.C., Abdu, Y., Ball, N.A., Tait, K.T., Back, M.E., Steede, A.H., Taylor, R. und MacDonald, A.M. (2013) Ferro-ferri-nybøite, IMA 2013-072. CNMNC Newsletter No. 18, December 2013, page 3251; Mineralogical Magazine, 77, 3249-3258.

Lussier, A.J., Hawthorne, F.C., Abdu, Y.A., Ball, N.A., Tait, K.T., Back, M.E., Steede, A.H., Taylor, R., McDonald, A.M. - Ferro-ferri-nybøite, NaNa2(Fe2+3Fe3+2)Si8O22(OH)2, a new clinoamphibole from Mont Saint-Hilaire, Québec, Canada: Description and crystal structure. Canadian Mineralogist, 52 (2014), 1019-1026.

IMA group assignments

Related minerals "Strunz Classification" (9. Edition) [Mineral | Chemical formula | Crystal system : Class (H-M) : Space Group | Indenture number]

'Anophorite' (Var.v. Magnesio-arfvedsonite)

9.DE.25

Arfvedsonite

Na3(Fe2+,Mg)4Fe3+Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Clino-ferro-ferri-holmquistite

☐Li2(Fe3+,Fe2+,Mg,Al)2Si8O22(OH,F)2

monoklin : 2/m : C/2m

9.DE.25

Clino-ferro-holmquistite

[]Li2[(Fe2+)3Al2]Si8O22(OH,F)2

monoklin : 2/m : C2/m

9.DE.25

Clino-sodic-ferri-ferro-holmquistite

Na0.5Li2(Fe3+,Fe2+,Mg,Li,Al)5Si8O22(OH,F)2

monoklin : 2/m : C2/m

9.DE.25

Eckermannite

NaNa2(Mg4Al)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferri-Leakeite

NaNa2(Mg2Fe3+2Li)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferri-fluoro-leakeite

NaNa2(Mg2Fe3+2Li)Si8O22F2

monoklin : 2/m : C2/m

9.DE.25

Ferri-nybøite

NaNa2(Mg3Fe3+2)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

'Ferri-ottoliniite'

AB(Na1Li1)C(Fe3+2Mg3)TSi8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferri-whittakerite

Na(Na1.0-1.5Li0.5-1.0)2(Fe3+2Mg2Li)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferro-eckermannite

Na3(Fe2+,Mg)4AlSi8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferro-ferri-fluoro-leakeite

(Na,K)Na2Li(Fe2+,Mn2+,Mg)2Fe23+[(OH,F)|Si4O11]2

monoklin : 2/m : C2/m

9.DE.25

Ferro-ferri-nybøite

NaNa2(Fe2+3Fe3+2)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferro-ferri-obertiite

NaNa2(Fe2+3Fe3+Ti)Si8O22O2

monoklin : 2/m : C2/m

9.DE.25

Ferro-ferri-pedrizite

NaLi2(Fe2+2Fe3+2Li)Si8O22(OH)2

monoklin : 2/m : B2/m

9.DE.25

Ferro-nybøite

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

monoklin : 2/m : C2/m

9.DE.25

Ferro-pedrizite

NaLi2(Fe2+2Al2Li)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferroglaucophane

Na2(Fe2+,Mg)3Al2Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Ferroleakeite

[Na][Na2][Fe2+2Fe3+2Li][(OH)2|Si8O22]

monoklin : 2/m : C2/m

9.DE.25

Fluoro-leakeite

NaNa2(Mg2Al2Li)Si8O22F2

monoklin : 2/m : C2/m

9.DE.25

Fluoro-nybøite

NaNa2(Mg3Al2)(AlSi7O22)(F,OH)2

monoklin : 2/m : C2/m

9.DE.25

Fluoro-pedrizite

NaLi2(Mg2Al2Li)Si8O22F2

monoklin : 2/m : C2/m

9.DE.25

Glaucophane

Na2(Mg,Fe2+)3Al2Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

'Juddite' (Var.v. Arfvedsonite)

9.DE.25

'Krokydolith' (Var.v. Riebeckite)

Na2(Fe2+,Mg)3Fe23+Si8O22(OH)2

9.DE.25

Magnesio-arfvedsonite

Na3(Mg,Fe2+)4Fe3+Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Magnesio-fluoro-arfvedsonite

(Na,K)Na2(Mg,Fe2+)4Fe3+[(F,OH)|Si4O11]2

monoklin : 2/m : C2/m

9.DE.25

Magnesioriebeckite

Na2(Mg,Fe2+)3Fe23+Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Mangani-dellaventuraite

NaNa2(MgMn3+2Ti4+Li)Si8O22O2

monoklin : 2/m : C2/m

9.DE.25

Mangani-obertiite

NaNa2(Mg3Mn3+Ti4+)Si8O22O2

monoklin : 2/m : C2/m

9.DE.25

Mangano-ferri-eckermannite

Na3Mn42+(Fe3+,Al)Si8O22(OH,F)2

monoklin : 2/m : C2/m

9.DE.25

Mangano-mangani-ungarettiite

(Na,K)Na2(Mn2+,Mg)2Mn33+[O|Si4O11]2

monoklin : 2/m : C2/m

9.DE.25

Nybøite

NaNa2(Mg3Al2)Si7AlO22(OH)2

monoklin : 2/m : C2/m

9.DE.25

'Ottoliniite'

NaLi(Mg3Fe3+Al)Si8O22(OH)2

C/2m

9.DE.25

Pedrizite

NaLi2(Mg2Al2Li)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Potassic-arfvedsonite

KNa2Fe2+4Fe3+Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Potassic-ferri-leakeite

KNa2Mg2Fe3+2LiSi8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

Potassic-magnesio-arfvedsonite

[K][Na2][Mg4Fe3+][(OH)2|Si8O22]

monoklin : 2/m : C2/m

9.DE.25

Potassic-magnesio-fluoro-arfvedsonite

KNa2(Mg,Fe2+)5[(F,OH)|Si4O11]2

monoklin : 2/m : C/2m

9.DE.25

Potassic-mangani-leakeite

KNa2(Mg2Mn3+2Li)[Si8O22](OH)2

monoklin : 2/m : C2/m

9.DE.25

Riebeckite

Na2(Fe2+,Mg)3Fe23+Si8O22(OH)2

monoklin : 2/m : C2/m

9.DE.25

'Whittakerite'

Na(Na Li)(Li Mg2Fe3+Al)Si8O22(OH)2

9.DE.25

Related minerals "Hoelzel Classification" [Mineral | Chemical formula : Crystal system : Class (H-M) | Space Group | Indenture number]

Nybøite

NaNa2(Mg3Al2)Si7AlO22(OH)2

monoklin : 2/m : C2/m

9.DJ.600

Fluoro-nybøite

NaNa2(Mg3Al2)(AlSi7O22)(F,OH)2

monoklin : 2/m : C2/m

9.DJ.610

Ferro-nybøite

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

monoklin : 2/m : C2/m

9.DJ.620

Ferri-nybøite

NaNa2(Mg3Fe3+2)(Si7Al)O22(OH)2

monoklin : 2/m : C2/m

9.DJ.640

Ferro-ferri-nybøite

NaNa2(Fe2+3Fe3+2)Si8O22(OH)2

monoklin : 2/m : C2/m

9.DJ.660

Other languages

German

Ferro-Ferri-Nybøit

English

Ferro-ferri-nybøite

Russian

Ферроферринибёит

old name

German

Ferric-Ferronyböit (1997)

German

Ferric-Ferronybøit (1997)

English

Ferric-ferronyböite (1997)

English

Ferric-ferronybøite (1997)

Alternative Name

German

Ferriferronybøit (Hölzel)

wird von Hölzel verwendet

IMA Number

IMA 2013-072

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